Sulfur-containing polycyclic-hydroxypyridone carboxamide analog against HIV

Abstract

The disclosure discloses a sulfur-containing polycyclic-hydroxypyridone carboxamide analog against HIV and an application thereof. The sulfur-containing polycyclic-hydroxypyridone carboxamide analog has a compound represented by the following formula (I) or a stereoisomer thereof or a pharmaceutically acceptable salt thereof. The sulfur-containing polycyclic-hydroxypyridone carboxamide analogs provided by the disclosure have good anti-HIV activity, and in particularly, compound 2, compound 18, compound 34 and compound 66 have strong inhibitory effects on HIV-1 replication in vitro, and the therapeutic index thereof against HIV is hundreds of times greater than that of the existing drugs TDF and Dolutegravir. The development of such the compounds is of great significance for the development of AIDS drugs and will bright good news to AIDS patients.

Claims

1. A compound represented by the following formula (I) or a stereoisomer thereof or a pharmaceutically acceptable salt thereof: ##STR00057## wherein, Z is selected from S, SO and SO.sub.2; R.sup.0 is hydrogen, halogen, hydroxyl, a lower alkyl or a lower alkenyl, wherein each of the lower alkyl and the lower alkenyl is optionally interrupted by heteroatoms selected from —O—, —S—, —S(O)—, —S(O).sub.2—, and —NR.sup.6—; —R.sup.6— is hydrogen, a lower alkyl, a cycloalkyl, a cycloalkyl lower alkyl, a lower alkenyl, a lower alkoxy, a aryl, an aryl lower alkyl, an aryloxy, an epoxy group, hydroxyl, an amino, and a phosphate group; Each R.sup.a is independently hydrogen, halogen, a lower alkyl, a cycloalkyl, a cycloalkyl lower alkyl, a lower alkenyl, a lower alkoxy, an aryl, an aryl lower alkyl, an aryloxy, and an epoxy group; n is an integer of 0˜8; when n is 0, the ring is a five-membered ring; R.sup.1 is hydrogen, a lower alkyl, a cycloalkyl, a cycloalkyl lower alkyl, a lower alkenyl, a lower alkoxy, a aryl, a aryl lower alkyl, a aryloxy, and an epoxy group; R.sup.2 is hydrogen, a lower alkyl, a cycloalkyl, a cycloalkyl lower alkyl, a lower alkenyl, a lower alkoxy, an aryl, an aryl lower alkyl, an aryloxy, and an epoxy group; R.sup.3 and R.sup.3′ are each independently hydrogen, a lower alkyl, a cycloalkyl, a cycloalkyl lower alkyl, a lower alkenyl, a lower alkoxy, an aryl, an aryl lower alkyl, an aryloxy, an epoxy group, hydroxyl, an amino, and a phosphate group; R.sup.4 and R.sup.5 are each independently hydrogen or a lower alkyl, a cycloalkyl, a cycloalkyl lower alkyl, a lower alkenyl, a lower alkoxy, a aryl, an aryl lower alkyl, an aryloxy, and a heterocycle; or wherein R.sup.4 and R.sup.5 are combined together to form —W—, wherein W is [C(R.sup.6).sub.2].sub.L (L is an integer of 1˜4); each R.sup.6 is independently hydrogen, halogen, a lower alkyl, a cycloalkyl, a cycloalkyl lower alkyl, a lower alkenyl, a lower alkoxy, an aryl, an aryl lower alkyl, an aryloxy, and an epoxy group.

2. The compound according to claim 1, comprising a compound represented by the following formula (I-A) or a stereoisomer thereof or a pharmaceutically acceptable salt thereof: ##STR00058## wherein, Z is selected from S, SO and SO.sub.2; each X is independently hydrogen, halogen, hydroxyl, a lower alkyl, a cycloalkyl, a cycloalkyl lower alkyl, a lower alkenyl, a lower alkoxy, an aryl, an aryl lower alkyl, an aryloxy, an epoxy group, hydroxyl, an amino, and a phosphate group; m is an integer of 0˜3; when m is 1, X is halogen, fluoro in the 2-position or 4-position of the benzene ring; when m is 2, X is halogen; fluoro in the 2-position and the 4-position of the benzene ring, fluoro in the 2-position and the 3-position of the benzene ring, fluoro in the 2-position and the 6-position of the benzene ring, fluoro in the 3-position and the 4-position of the benzene ring, fluoro in the 3-position and chloro in the 4-position of the benzene ring, fluoro in the 2-position and chloro in the 4-position of the benzene ring, or chloro in the 2-position and fluoro in the 4-position of the benzene ring; when m is 3, X is halogen; fluoro in the 2-position, 4-position and 6-position or 2-position, 3-position and 4-position of the benzene ring.

3. The compound according to claim 1, comprising a compound represented by the following formula (I-B) or a stereoisomer thereof or a pharmaceutically acceptable salt thereof: ##STR00059## wherein, Z is selected from S, SO and SO.sub.2; W is [C(R.sup.6).sub.2].sub.L (L is an integer of 1˜4); wherein, each R.sup.6 is independently hydrogen, halogen, a lower alkyl, a cycloalkyl, a cycloalkyl lower alkyl, a lower alkenyl, a lower alkoxy, an aryl, an aryl lower alkyl, an aryloxy and an epoxy group; each X is independently hydrogen, halogen, hydroxyl, a lower alkyl, a cycloalkyl, a cycloalkyl lower alkyl, a lower alkenyl, a lower alkoxy, an aryl, an aryl lower alkyl, an aryloxy, an epoxy group, a hydroxyl, an amino, and a phosphate group; m is an integer of 0˜3; when m is 1, X is halogen; fluoro in the 2-position or 4-position of the benzene ring; when m is 2, X is halogen; fluoro in the 2-position and the 4-position of the benzene ring, fluoro in the 2-position and the 3-position of the benzene ring, fluoro in the 2-position and the 6-position of the benzene ring, fluoro in the 3-position and the 4-position of the benzene ring, fluoro in the 3-position and chloro in the 4-position of the benzene ring, fluoro in the 2-position and chloro in the 4-position of the benzene ring, or chloro in the 2-position and fluoro in the 4-position of the benzene ring; when m is 3, X is halogen; fluoro in the 2-position, 4-position and 6-position or the 2-position, 3-position and 4-position of the benzene ring.

4. The compound according to claim 1, comprising a compound represented by the following formula (I-C) or a stereoisomer thereof or a pharmaceutically acceptable salt thereof: ##STR00060## wherein, Z is selected from S, SO and SO.sub.2.

5. The compound according to claim 1, comprising a compound represented by the following formula (I-D) or a stereoisomer thereof or a pharmaceutically acceptable salt thereof: ##STR00061## wherein, Z is selected from S, SO and SO.sub.2, each X is independently hydrogen, halogen, hydroxyl, optionally substituted lower alkyl, a cycloalkyl, a cycloalkyl lower alkyl, a lower alkenyl, a lower alkoxy, an aryl, an aryl lower alkyl, an aryloxy, an epoxy group, hydroxyl, an amino, and a phosphate group; m is an integer of 0-3; when m is 1, X is halogen; fluoro in the 2-position or 4-position of the benzene ring; when m is 2, X is halogen; fluoro in the 2-position and the 4-position of the benzene ring, fluoro in the 2-position and the 3-position of the benzene ring, fluoro in the 2-position and the 6-position of the benzene ring, fluoro in the 3-position and the 4-position of the benzene ring, fluoro in the 3-position and chloro in the 4-position of the benzene ring, fluoro in the 2-position and chloro in the 4-position of the benzene ring, or chloro in the 2-position and fluoro in the 4-position of the benzene ring; when m is 3, X is halogen; fluoro in the 2-position, 4-position and 6-position or the 2-position, 3-position and 4-position of the benzene ring.

6. The compound according to claim 1 selected from the group consisting of: compound A3, compound A6, compound A7, a stereoisomer of the compound, and a pharmaceutically acceptable salt thereof: ##STR00062##

7. The compound according to claim 1 selected from the group consisting of: 1-93, enantiomers thereof; diastereomers thereof; a mixture of diastereomers thereof; a mixture of diastereomers thereof; a mixture of enantiomers and diastereomers thereof; and a pharmaceutically acceptable salt thereof; ##STR00063## ##STR00064## ##STR00065## ##STR00066## ##STR00067## ##STR00068## ##STR00069## ##STR00070## ##STR00071## ##STR00072## ##STR00073## ##STR00074## ##STR00075## ##STR00076## ##STR00077## ##STR00078## ##STR00079## ##STR00080## ##STR00081##

8. The compound according to claim 1, wherein the pharmaceutically acceptable salt is a sodium salt or a potassium salt.

9. A pharmaceutical composition, comprising a pharmaceutically acceptable carrier and the compound according to claim 1 or a pharmaceutically acceptable salt thereof as an active ingredient.

10. The pharmaceutical composition according to claim 9, the pharmaceutical composition further comprising one or more additional anti-HIV therapeutic agents.

11. A method for preparing the compound A3 according to claim 6, wherein the method is as follows: ##STR00082## the compound A1 and an aminothiol compound are heated and condensed under the catalysis of an acid to be converted into compound A2, and the protection group P of the compound A2 is removed to generate the compound A3.

12. A method for preparing the compound A3 according to claim 6, wherein the method is as follows: ##STR00083## the compound A4 and an aminothiol compound are heated and condensed under the catalysis of acid to generate compound A5; the compound A5 is converted into amide through amine and a coupling agent, and then the protection group P is removed to obtain the compound A3.

13. A method for preparing the compound A6 according to claim 6, wherein the method is as follows: ##STR00084## the compound A3 is converted into the compound A6 by adding an oxidant.

14. A method for preparing the compound A7 according to claim 6, wherein the method is as follows: ##STR00085## the compound A3 is converted into the compound A7 by adding an oxidant.

Description

DETAILED DESCRIPTION OF PREFERRED EMBODIMENTS

(1) Next, the technical solution of the disclosure will be described through embodiments. Raw materials and reagents used in the disclosure are all commercially available.

(2) A general synthesis solution of a sulfur-containing polycyclic-hydroxypyridone carboxamide analog of the disclosure is as follows:

(3) Solutions 1-3 are provided as further embodiments of the disclosure, and a general method for preparing a compound having formula (I) and preparing another compound having formula (I) is exemplified.

(4) Solution 1

(5) ##STR00030##

(6) By heating and condensing A1 and proper amino mercaptan under the catalysis of proper acid, A1 can be converted into A2, and the protecting group P of A2 is subsequently removed to form A3.

(7) Solution 2

(8) ##STR00031##

(9) By heating and condensing A4 and proper amino mercaptan under the catalysis of proper acid, A4 is converted into A5. By using proper amine and a coupling reagent such as HATU or CDI or HOBt, A5 is converted into amine, and subsequently, the protective group P of A5 is removed to form A3.

(10) Solution 3

(11) ##STR00032##

(12) By using a proper oxidant, A3 is converted into sulfoxide A6 or sulfone A7

Example 1

(13) Preparation of Compound 1

(14) ##STR00033##

(15) The preparation routine of the compound is as follows:

(16) ##STR00034##

(17) The specific steps of the compound are as follows:

(18) Step 1

(19) Methylsulfonyl chloride (1.3 g, 11 mmol) was dropwise added into the solution of compound 1-S0: (2R)-2-(Boc-amino)-1-propanol (1.75 g, 10 mmol) and triethylamine (2.1 g, 20 mmol) in DCM (30 mL) at 0° C. The reaction mixture was stirred at the same temperature for about 2 h, followed by quenching with water, the separated organic layer was respectively washed with in 1N diluted hydrochloric acid and brine, then dried with sodium sulfate and concentrated to give crude product 1-S1 (2.5 g); the crude product was directly used for next reaction without purification.

(20) Step 2

(21) Potassium thioacetate (1.7 g, 15 mmol) was dissolved into DMF (10 mL) and then the above mixture was added to the solution of the crude product intermediate 1-S1 (2.5 g, 10 mmol) from step 1 in DMF (15 mL). The reaction mixture was stirred at 60° C. for 3 h. The reaction was cooled to room temperature, diluted with methyl tert-butyl ether (80 mL) and was washed with brine, dried with sodium sulfate and concentrated to give crude product 1-S2 (2.5 g); the crude product was directly used for next reaction without purification.

(22) Step 3

(23) The crude product intermediate 1-S2 (2.5 g) from step 2 was dissolved into methanol (15 mL) and then sodium hydroxide (400 mg, 10 mmol) was added to the above mixture. The reaction mixture was stirred at room temperature for 2 h then methanol was removed by concentration, methyl tert-butyl ether was added, pH was adjusted to 3, and the separated organic layer was washed with brine, and dried with sodium sulfate and concentrated to obtain crude product 1-S3 (2.0 g); the crude product was directly used for next reaction without purification.

(24) Step 4

(25) The crude product intermediate 1-S3 (2.0 g) from step 3 was dissolved into 2N hydrogen chloride-methanol solution (20 mL). The reaction mixture was stirred at room temperature for 2 h then the hydrogen chloride-methanol solution was removed by concentration to give residue, methyl tert-butyl ether was added to the residue. After stirring for 2 h solid precipitated, then the filtrated solid, namely 1-S(2R)-2-amino-1-propanethiol hydrochloride (0.8 g), was dissolved into methanol, then sodium carbonate (840 mg) was added to neutralize hydrochloride, the obtained product was filtrated, and the filtrate was concentrated to obtain 1-S, namely, (2R)-2-amino-1-propanethiol (600 mg).

(26) Step 5

(27) (2R)-2-amino-1-propanethiol (136 mg, 1.5 mol) and acetate acid (60 mg) were added to the solution of A-0 (395 mg, 1 mmol) in dichloroethane (40 mL). Then the reaction mixture was refluxed for 2 h. After cooling, the reaction mixture was concentrated under reduced pressure to provide a residue, which was purified by silica column chromatography (elution with a gradient of 0-5% methyl alcohol/dichloromethane) to provide compound A-1 (310 mg, 70% yield). .sup.1H-NMR (400 MHz, CDCl.sub.3) 10.41 (br, 1H), 8.41 (s, 1H), 7.36 (m, 1H), 6.82 (m, 2H), 5.24-5.10 (m, 2H), 4.64 (m, 2H), 4.28 (m, 1H), 4.12 (m, 1H), 4.08 (s, 3H), 3.31 (m, 1H), 2.82 (m, 1H), 1.45 (d, J=6.4 Hz, 3H). ESI.sup.+ (m/z): 436 (M+1).

(28) Step 6

(29) Magnesium bromide (200 mg, 1.68 mmol) was added to the solution of A-1 (220 mg, 0.5 mmol) in acetonitrile (10 ml) at room temperature before the resulting mixture was stirred at 50° C. for 2 h. After the reaction mixture was stirred at 0° C., 0.5N diluted hydrochloric acid (10 mL) was added to make the mixture a solution. The resulting solution was diluted with water (50 mL) and extracted with dichloromethane (50 mL), the extract was dried with anhydrous magnesium sulfate and concentrated. The residue was purified by silica column chromatography (elution with a gradient of 0-5% methyl alcohol/dichloromethane) to provide Compound 1 (162 mg, 75% yield) .sup.1H-NMR (400 MHz, CDCl.sub.3) δ 12.00 (br, 1H), 10.40 (br, 1H), 8.42 (s, 1H), 7.38 (m, 1H), 6.83 (m, 2H), 5.23-5.12 (m, 2H), 4.73-4.45 (m, 2H), 4.24 (m, 1H), 4.10 (m, 1H), 3.35 (m, 1H), 2.90 (m, 1H), 1.46 (d, J=6.4 Hz, 3H). ESI.sup.+ (m/z): 422 (M+1).

Example 2

(30) Preparation of Compound 2

(31) ##STR00035##

(32) Compound 2 was prepared by using the method of compound 1 and replacing (2R)-2-(Boc-amino)-1-propanol with (S)-2-(Boc-amino)-1-propanol. .sup.1H-NMR (400 MHz, CDCl.sub.3) δ 11.84 (br, 1H), 10.39 (br, 1H), 8.41 (s, 1H), 7.39 (m, 1H), 6.84 (m, 2H), 5.21-5.11 (m, 2H), 4.75-4.47 (m, 2H), 4.23 (m, 1H), 4.10 (m, 1H), 3.35 (m, 1H), 2.87 (m, 1H), 1.48 (d, J=6.8 Hz, 3H). ESI.sup.+ (m/z): 422 (M+1).

Example 3

(33) Preparation of Compound 3

(34) ##STR00036##

(35) Compound 3 was prepared by using the method of compound 1 and replacing (2R)-2-(Boc-amino)-1-propanol-1-propanol with (2R)-2-(Boc-amino)-1-butanol. .sup.1H-NMR (400 MHz, CDCl.sub.3) δ 10.40 (br, 1H), 8.38 (s, 1H), 7.33 (m, 1H), 6.80 (m, 2H), 5.21 (m, 2H), 4.60 (m, 2H), 4.22 (m, 1H), 4.08 (m, 1H), 3.32 (m, 1H), 2.90 (m, 1H), 2.11 (m, 1H), 1.72 (m, 1H), 0.97 (m, 3H). ESI.sup.+ (m/z): 436 (M+1).

Example 4

(36) ##STR00037##

(37) Compound 4 was prepared by using the method of compound 1 and replacing (2R)-2-(Boc-amino)-1-propanol-1-propanol with (2 S)-2-(Boc-amino)-1-butanol. .sup.1H-NMR (400 MHz, CDCl.sub.3) δ 11.88 (br, 1H), 10.41 (br, 1H), 8.39 (s, 1H), 7.35 (m, 1H), 6.81 (m, 2H), 5.20 (m, 2H), 4.61 (m, 2H), 4.20 (m, 1H), 4.09 (m, 1H), 3.33 (m, 1H), 2.90 (m, 1H), 2.10 (m, 1H), 1.71 (m, 1H), 0.96 (m, 3H). ESI.sup.+ (m/z): 436 (M+1).

Example 5

(38) Preparation of Compound 5

(39) ##STR00038##

(40) Compound 5 was prepared by using the method of compound 1 and replacing (2R)-2-(Boc-amino)-1-propanol with (2R)-2-(Boc-amino)-3-methyl-1-butanol. .sup.1H-NMR (400 MHz, CDCl.sub.3) δ 11.93 (br, 1H), 10.30 (br, 1H), 8.43 (s, 1H), 7.36 (m, 1H), 6.82 (m, 2H), 5.23 (m, 2H), 4.63 (m, 2H), 4.22 (m, 1H), 4.12 (m, 1H), 3.33 (m, 1H), 2.92 (m, 1H), 2.32 (m, 1H), 0.99 (m, 6H). ESI.sup.+ (m/z): 450 (M+1).

Example 6

(41) Preparation of Compound 6

(42) ##STR00039##

(43) Compound 6 was prepared by using the method of compound 1 and replacing (2R)-2-(Boc-amino)-1-propanol with (2S)-2-(Boc-amino)-3-methyl-1-butanol. .sup.1H-NMR (400 MHz, CDCl.sub.3) δ 11.91 (br, 1H), 10.39 (br, 1H), 8.40 (s, 1H), 7.35 (m, 1H), 6.80 (m, 2H), 5.22 (m, 2H), 4.61 (m, 2H), 4.21 (m, 1H), 4.11 (m, 1H), 3.32 (m, 1H), 2.91 (m, 1H), 2.33 (m, 1H), 0.98 (m, 6H). ESI.sup.+ (m/z): 450 (M+1).

Example 7

(44) Preparation Method of Compound 7

(45) ##STR00040##

(46) Compound 7 was prepared by using the method of compound 1 and replacing (2R)-2-(Boc-amino)-1-propanol with (2R)-2-(Boc-amino)-3,3-dimethyl-1-butanol. .sup.1H-NMR (400 MHz, CDCl.sub.3) δ 10.35 (br, 1H), 8.38 (s, 1H), 7.34 (m, 1H), 6.79 (m, 2H), 5.25 (m, 2H), 4.61 (m, 2H), 4.23 (m, 1H), 4.13 (m, 1H), 3.33 (m, 1H), 2.90 (m, 1H), 1.05 (m, 9H). ESI.sup.+ (m/z): 464 (M+1).

Example 8

(47) Preparation of Compound 8

(48) ##STR00041##

(49) Compound 8 was prepared by using the method of compound 1 and replacing (2R)-2-(Boc-amino)-1-propanol with (2S)-2-(Boc-amino)-3,3-dimethyl-1-butanol. .sup.1H-NMR (400 MHz, CDCl.sub.3) δ 10.38 (br, 1H), 8.41 (s, 1H), 7.34 (m, 1H), 6.81 (m, 2H), 5.27 (m, 2H), 4.62 (m, 2H), 4.22 (m, 1H), 4.13 (m, 1H), 3.32 (m, 1H), 2.91 (m, 1H), 1.01 (m, 9H). ESI.sup.+ (m/z): 464 (M+1).

Example 9

(50) Preparation of Compound 9

(51) ##STR00042##

(52) Compound 9 was prepared by using the method of compound 1 and replacing (2R)-2-(Boc-amino)-1-propanol with (2R)-2-(Boc-amino)-2-benzyl-1-ethanol. .sup.1H-NMR (400 MHz, CDCl.sub.3) δ 11.86 (br, 1H), 10.40 (br, 1H), 8.40 (s, 1H), 7.45-7.30 (m, 6H), 6.81 (m, 2H), 5.60 (m, 1H), 5.25 (m, 1H), 4.75-4.47 (m, 2H), 4.25 (m, 1H), 4.13 (m, 1H), 3.33 (m, 1H), 2.90 (m, 1H). ESI.sup.+ (m/z): 484 (M+1).

Example 10

(53) Preparation of Compound 10

(54) ##STR00043##

(55) Compound 10 was prepared by using the method of compound 1 and replacing (2R)-2-(Boc-amino)-1-propanol with (2R)-2-(Boc-amino)-2-benzyl-1-ethanol. .sup.1H-NMR (400 MHz, CDCl.sub.3) δ 11.86 (br, 1H), 10.40 (br, 1H), 8.40 (s, 1H), 7.45-7.30 (m, 6H), 6.81 (m, 2H), 5.60 (m, 1H), 5.25 (m, 1H), 4.75-4.47 (m, 2H), 4.25 (m, 1H), 4.13 (br, 1H), 3.33 (m, 1H), 2.90 (m, 1H). ESI.sup.+ (m/z): 484 (M+1).

Example 11

(56) Preparation of Compound 12

(57) ##STR00044##

(58) Compound 12 was prepared by using the method of compound 1 and replacing (2R)-2-(Boc-amino)-1-propanol with (2 S)-2-(Boc-amino)-3-benzyl-1-propanol. .sup.1H-NMR (400 MHz, CDCl.sub.3) δ 11.88 (br, 1H), 10.40 (br, 1H), 8.40 (s, 1H), 7.39-7.15 (m, 6H), 6.83 (m, 2H), 5.20-5.08 (m, 2H), 4.75-4.47 (m, 2H), 4.25 (m, 1H), 4.13 (m, 1H), 3.36-3.33 (m, 2H), 2.96-2.88 (m, 2H). ESI.sup.+ (m/z): 498 (M+1).

Example 12

(59) Preparation of Compound 19

(60) ##STR00045##

(61) Compound 19 was prepared by using the method of compound 1 and replacing (2R)-2-(Boc-amino)-1-propanol with (2R)-2-(Boc-amino)-4-methyl-1-pentanol. .sup.1H-NMR (400 MHz, CDCl.sub.3) δ 12.01 (br, 1H), 10.40 (br, 1H), 8.41 (s, 1H), 7.39 (m, 1H), 6.82 (m, 2H), 5.24-5.12 (m, 2H), 4.74-4.43 (m, 2H), 4.25 (m, 1H), 4.11 (m, 1H), 3.35 (m, 1H), 2.91 (m, 1H), 2.06 (m, 1H), 1.65 (m. 1H), 1.41 (m, 1H), 0.99 (m, 6H). ESI.sup.+ (m/z): 464 (M+1).

Example 13

(62) Preparation of Compound 20

(63) ##STR00046##

(64) Compound 20 was prepared by using the method of compound 1 and replacing (2R)-2-(Boc-amino)-1-propanol with (2S)-2-(Boc-amino)-4-methyl-1-pentanol. .sup.1H-NMR (400 MHz, CDCl.sub.3) δ 12.00 (br, 1H), 10.41 (br, 1H), 8.40 (s, 1H), 7.37 (m, 1H), 6.80 (m, 2H), 5.23-5.12 (m, 2H), 4.74-4.43 (m, 2H), 4.23 (m, 1H), 4.10 (m, 1H), 3.34 (m, 1H), 2.90 (m, 1H), 2.04 (m, 1H), 1.63 (m, 1H), 1.40 (m, 1H), 1.0 (m, 6H). ESI.sup.+ (m/z): 464 (M+1).

Example 14

(65) Preparation of Compound 17

(66) ##STR00047##

(67) Compound 17 was prepared by using the method of compound 1 and replacing (2R)-2-(Boc-amino)-1-propanol with (3S)-3-(Boc-amino)-1-butanol. .sup.1H-NMR (400 MHz, CDCl.sub.3) δ 12.46 (s, 1H), 10.42 (br, 1H), 8.31 (s, 1H), 7.35 (m, 1H), 6.82 (m, 2H), 5.23-5.12 (m, 2H), 4.66-4.45 (m, 2H), 4.12 (d, J=13.6 Hz, 1H), 3.30 (m, 1H), 2.70 (m, 1H), 2.09 (m, 1H), 1.81 (m. 1H), 1.40 (d, J=6.8 Hz, 3H). ESI.sup.+ (m/z): 436 (M+1).

Example 15

(68) Preparation of Compound 18

(69) ##STR00048##

(70) Compound 18 was prepared by using the method of compound 1 and replacing (2R)-2-(Boc-amino)-1-propanol with (3R)-3-(Boc-amino)-1-butanol. .sup.1H-NMR (400 MHz, CDCl.sub.3) δ 12.45 (s, 1H), 10.42 (br, 1H), 8.32 (s, 1H), 7.36 (m, 1H), 6.82 (m, 2H), 5.23-5.12 (m, 2H), 4.65-4.47 (m, 3H), 4.11 (d, J=13.6 Hz, 1H), 3.31 (m, 1H), 2.71 (m, 1H), 2.10 (m, 1H), 1.83 (m, 1H), 1.38 (d, J=6.8 Hz, 3H). ESI.sup.+ (m/z): 436 (M+1).

Example 16

(71) Preparation of Compound 26

(72) ##STR00049##

(73) Compound 26 was prepared by using the method of compound 1 and replacing (2R)-2-(Boc-amino)-1-propanol with (1S,3S)-3-(Boc-amino)-1-cyclopentanol. .sup.1H-NMR (400 MHz, CDCl.sub.3) δ 12.46 (s, 1H), 10.45 (br, 1H), 8.33 (s, 1H), 7.36 (m, 1H), 6.85 (m, 2H), 5.33 (m, 1H), 4.72 (m, 2H), 4.09 (m, 1H), 3.95-3.72 (m, 2H), 3.35 (m, 1H), 1.96 (s, 4H), 1.81 (d, J=12 Hz, 1H), 1.62 (t, J=12.4 Hz, 1H). ESI.sup.+ (m/z): 448 (M+1).

Example 17

(74) Preparation of Compound 34

(75) ##STR00050##

(76) Step 1

(77) (1R,3S)-3-amino-1-cyclopenthiol (176 mg, 1.5 mmol) and acetic acid (60 mg) were added the solution of compound A4 (269 mg, 1 mmol) in dichloroethane (50 mL). Then the reaction mixture was refluxed for 5 h. After cooling, dichloromethane was added, the diluted product was respectively washed with 0.5N HCl (5 mL) and brine, the extract was dried with anhydrous magnesium sulfate and concentrated to obtain crude product A4-0 (270 mg), and the crude product was directly used for next reaction without purification. LCMS-ESI.sup.− (m/z): 335 (M−1).

(78) Step 2

(79) The crude product intermediate A4-0 (270 mg, 0.8 mmol) from step 1, 2-(7-azobenzotriazole)-N,N,N′,N′-tetramethylurea hexafluorophosphate (HATU, 380 mg, 1 mmol) and 2,4,6-trifluorobenzylamine (161 mg, 1 mmol) were suspended in tetrahydrofuran (5 mL), and N,N-diisopropylethylamine (DIEPA, 200 mg, 1.6 mmol) was dropwise added at 0° C.; after dropwise addition, the temperature was raised to 25° C., the reaction was performed for 2 h, then dichloromethane (50 mL) was added for dilution, the diluted product was respectively washed with 0.5N diluted hydrochloric acid and brine, the extract was dried with anhydrous magnesium sulfate and concentrated to obtain the crude product A4-34 (350 mg). The crude product was directly used for next reaction without purification. LCMS-ESI.sup.− (m/z): 480 (M+1).

(80) Step 3

(81) Magnesium bromide (200 mg, 1.68 mmol) was added the solution of the crude product intermediate A4-34 (350 mg, 0.7 mmol) from step 2 into acetonitrile (10 mL) at room temperature before the resulting mixture was stirred at 50° C. for 2 h. After the reaction mixture was stirred at 0° C., 0.5N diluted hydrochloric acid (10 mL) was added to make the mixture a solution. The resulting solution was diluted with water (50 mL) and extracted with dichloromethane (50 mL), the extract was dried with anhydrous magnesium sulfate and concentrated. The residue was purified by silica column chromatography (elution with a gradient of 0-5% methyl alcohol/dichloromethane) to provide the compound 34 (162 mg, 75% yield).sup.1H-NMR (400 MHz, CDCl.sub.3) δ 12.44 (s, 1H), 10.41 (br, 1H), 8.35 (s, 1H), 7.20 (m, 2H), 5.35 (m, 1H), 4.72 (m, 2H), 4.08 (m, 1H), 3.98-3.71 (m, 2H), 3.33 (m, 1H), 1.98 (s, 4H), 1.85 (d, J=12 Hz, 1H), 1.61 (t, J=12.4 Hz, 1H). ESI.sup.+ (m/z): 466 (M+1).

Example 18

(82) Preparation of Compound 40

(83) ##STR00051##

(84) Step 1

(85) (3R)-3-amino-1-butanethiol (160 mg, 1.5 mmol) and acetic acid (60 mg) were added added the solution of compound A4 (269 mg, 1 mmol) in dichloroethane (50 mL). Then the reaction mixture was refluxed for 2 h. After cooling, dichloromethane was added for dilution, the diluted product was respectively washed with 0.5N HCl (5 mL) and brine, the extract was dried with anhydrous magnesium sulfate and concentrated to obtain crude product A4-1 (260 mg), and the crude product was directly used for next reaction without purification. LCMS-ESI.sup.− (m/z): 323 (M−1).

(86) Step 2

(87) The crude product intermediate A4-1 (260 mg, 0.8 mmol) from step 1, 2,-(7-azobenzotriazole)-N,N,N′,N′-tetramethylurea hexafluorophosphate (HATU, 380 mg, 1 mmol) and 2,4,6-triflurobenzylamine (161 mg, 1 mmol) were suspended in tetrahydrofuran (5 mL), and then N,N-diisopropylethylamine (DIEPA, 200 mg, 1.6 mmol) was dropwise added at 0° C.; after dropwise addition, the temperature was raised to 25° C., the reaction was performed for 2 h, then dichloromethane (50 mL) was added for dilution, the diluted product was respectively washed with 0.5N diluted hydrochloric acid and saturated saline solution, the extract was dried with anhydrous magnesium sulfate and concentrated to obtain the crude product A4-40 (300 mg). The crude product was directly used for next reaction without purification. LCMS-ESI.sup.− (m/z): 418 (M+1).

(88) Step 3

(89) Magnesium bromide (200 mg, 1.68 mmol) was added into the solution of the crude product intermediate A4-40 (300 mg, 0.64 mmol) in acetonitrile (10 mL) at room temperature before the resulting mixture was stirred at 50° C. for 2 h. After the reaction mixture was stirred at 0° C., 0.5N diluted hydrochloric acid (10 mL) was added to make the mixture a solution. The resulting solution was diluted with water (50 mL) and extracted with dichloromethane (50 mL), the extract was dried with anhydrous magnesium sulfate and concentrated. The residue was purified by silica column chromatography (elution with a gradient of 0-5% methyl alcohol/dichloromethane) to provide the compound 40 (150 mg, 51% yield). .sup.1H-NMR (400 MHz, CDCl.sub.3) δ 12.44 (s, 1H), 10.40 (br, 1H), 8.30 (s, 1H), 7.19 (m, 2H), 5.21-5.10 (m, 2H), 4.66-4.45 (m, 3H), 4.10 (m, 1H), 3.33 (m, 1H), 2.72 (m, 1H), 2.09 (m, 1H), 1.81 (m, 1H), 1.38 (d, J=7.2 Hz, 3H). ESI (m/z): 454 (M+1).

Example 19

(90) Preparation of Compound 59

(91) ##STR00052##

(92) The compound 59 was prepared by using the preparation method of compound 40 and replacing 2,4,6-trifluorobenzylamine with p-fluorobenzylamine. .sup.1H-NMR (400 MHz, CDCl.sub.3) δ 12.40 (s, 1H), 10.40 (br, 1H), 8.33 (s, 1H), 7.30 (m, 2H), 7.00 (m, 2H), 5.23-5.12 (m, 2H), 4.62-4.40 (m, 3H), 4.10 (d, J=13.6 Hz, 1H), 3.30 (m, 1H), 2.70 (s, 1H), 2.8 (m, 1H), 1.80 (m, 1H), 1.36 (d, J=6.8 Hz, 3H). ESI.sup.+ (m/z): 418 (M+1).

Example 20

(93) Preparation of Compound 66

(94) ##STR00053##

(95) Step 1

(96) (3S)-2-amino-1-propanethiol (155 mg, 1.5 mmol) and acetic acid (60 mg) were added into the solution of compound A4 (269 mg, 1 mmol) in dichloroethane (50 mL). Then the reaction mixture was refluxed for 2 h. After cooling, dichloromethane was added for dilution, the diluted product was respectively washed with 0.5N HCl (5 mL) and brine, the extract was dried with anhydrous magnesium sulfate and concentrated to obtain crude product A4-066 (250 mg), and the crude product was directly used for next reaction without purification. LCMS-ESI.sup.− (m/z): 310 (M−1).

(97) Step 2

(98) The crude product intermediate A4-066 (250 mg, 0.8 mmol) from step 1, 2,-(7-azobenzotriazole)-N,N,N′,N′-tetramethylurea hexafluorophosphate (HATU, 380 mg, 1 mmol) and 2,4,6-triflurobenzylamine (161 mg, 1 mmol) were suspended in tetrahydrofuran (5 mL), and N,N-diisopropylethylamine (DIEPA, 200 mg, 1.6 mmol) was dropwise added at 0 V; after dropwise addition, the temperature was raised to 25° C., the reaction was performed for 2 h, then dichloromethane (50 mL) was added for dilution, the diluted product was respectively washed with 0.5N diluted hydrochloric acid and saturated saline solution, the extract was dried with anhydrous magnesium sulfate and concentrated to obtain the crude product A4-66 (280 mg). The crude product was directly used for next reaction without purification. LCMS-ESI.sup.− (m/z): 418 (M+1).

(99) Step 3

(100) Magnesium bromide (200 mg, 1.68 mmol) was added into the solution of the crude product intermediate A4-66 (380 mg, 0.6 mmol) from step 2 in acetonitrile (10 mL) at room temperature before the resulting mixture was stirred at 50° C. for 2 h. After the reaction mixture was stirred at 0° C., 0.5N diluted hydrochloric acid (10 mL) was added to make the mixture a solution. The resulting solution was diluted with water (50 mL) and extracted with dichloromethane (50 mL), the extract was dried with anhydrous magnesium sulfate and concentrated. The residue was purified by silica column chromatography (elution with a gradient of 0-5% methyl alcohol/dichloromethane) to provide the compound 66 (150 mg). .sup.1H-NMR (400 MHz, CDCl.sub.3) δ 11.82 (br, 1H), 10.39 (br, 1H), 8.43 (s, 1H), 7.30 (m, 2H), 6.99 (m, 2H), 5.20-5.09 (m, 2H), 4.65-4.45 (m, 2H), 4.21 (m, 1H), 4.11 (m, 1H), 3.32 (s, 1H), 2.86 (m, 1H), 1.48 (d, J=6.8 Hz, 3H). ESI.sup.+ (m/z): 404 (M+1).

Example 21

(101) Preparation of Compounds 73 and 74

(102) ##STR00054##

(103) m-chloroperoxybenzoic acid (m-CPBA, 110 mg, 0.55 mmol) was added into the solution of compound 18 (220 mg, 0.5 mmol) in dichloromethane (10 mL). The reaction mixture was stirred at room temperature for 2 h, saturated sodium thiosulfate was added for quenching reaction, organic layer was separated, and the extract was dried with anhydrous magnesium sulfate and concentrated. The residue was purified by silica column chromatography (elution with a gradient of 0-5% methyl alcohol/dichloromethane) to provide the compound 73 (100 mg) and compound 74 (48 mg).

(104) Compound 73

(105) .sup.1H-NMR (400 MHz, CDCl.sub.3) δ 12.15 (br, 1H), 10.28 (br, 1H), 8.53 (s, 1H), 7.36 (m, 1H), 6.82 (m, 2H), 5.01-4.90 (m, 2H), 4.70-4.50 (m, 4H), 3.13 (m, 2H), 2.25 (m, 1H), 2.09 (m, 1H), 1.45 (d, J=6.8 Hz, 3H). ESI.sup.+ (m/z): 452 (M+1).

(106) Compound 74

(107) .sup.1H-NMR (400 MHz, CDCl.sub.3) δ 12.45 (s, 1H), 10.42 (br, 1H), 8.48 (s, 1H), 7.35 (m, 1H), 6.81 (m, 2H), 5.29 (m, 2H), 4.80-4.60 (m, 5H), 2.95 (m, 2H), 2.21 (m, 1H), 2.05 (m, 1H), 1.42 (d, J=7.2 Hz, 3H). ESI.sup.+ (m/z): 468 (M+1).

Example 22

(108) Preparation of Compound 85

(109) ##STR00055##

(110) Step 1

(111) The compound A4-1 (260 mg, 0.8 mmol), 2-(7-azobenzotriazole)-N,N,N′,N′-tetramethylurea hexafluorophosphate (HATU, 380 mg, 1 mmol) and 2,4,6-triflurobenzylamine (161 mg, 1 mmol) were suspended in tetrahydrofuran (5 mL), and N,N-diisopropylethylamine (DIEPA, 200 mg, 1.6 mmol) was dropwise added at 0° C.; after dropwise addition, the temperature was raised to 25° C., the reaction was performed for 2 h, then dichloromethane (50 mL) was added for dilution, the diluted product was respectively washed with 0.5N diluted hydrochloric acid and saturated saline solution, the extract was dried with anhydrous magnesium sulfate and concentrated to obtain the crude product A4-85 (305 mg). .sup.1H-NMR (400 MHz, CDCl.sub.3) δ 10.44 (br, 1H), 8.42 (s, 1H), 7.37 (m, 1H), 6.82 (m, 2H), 5.18-5.09 (m, 2H), 4.64 (m, 2H), 4.48 (m, 1H), 4.15 (m, 1H), 4.06 (s, 3H), 3.22 (m, 1H), 2.68 (m, 1H), 2.10 (m, 1H), 1.81 (m, 1H), 1.37 (d, J=6.8 Hz, 3H). ESI.sup.+ (m/z): 450 (M+1).

(112) Step 2

(113) Magnesium bromide (200 mg, 1.68 mmol) was added the solution of the compound A4-85 (305 mg, 0.65 mmol) into acetonitrile (10 mL) at room temperature before the resulting mixture was stirred at 50° C. for 2 h. After the reaction mixture was stirred at 0° C., 0.5N diluted hydrochloric acid (10 mL) was added to make the mixture a solution. The resulting solution was diluted with water (50 mL) and extracted with dichloromethane (50 mL), the extract was dried with anhydrous magnesium sulfate and concentrated. The residue was purified by silica column chromatography (elution with a gradient of 0-5% methyl alcohol/dichloromethane) to provide the compound 18 (200 mg). The compound 18 (90 mg, 0.2 mmol) was suspended in methanol (2 mL), then 0.1M sodium hydroxide-methanol solution (2 mL, 0.2 mmol) was added to be stirred for 30 min, methanol was removed by concentration to obtain a corresponding sodium salt, namely, compound 85 (94 mg), which was a light yellow solid. .sup.1H-NMR (400 MHz, CDCl.sub.3) δ 10.55 (br, 1H), 8.25 (br, 1H), 7.39 (m, 1H), 7.24 (m, 1H), 7.08 (m, 1H), 5.50 (m, 1H), 4.92 (m, 1H), 4.59-4.44 (m, 4H), 4.11 (d, J=13.6 Hz, 1H), 3.26 (m, 1H), 2.60 (m, 1H), 1.89-1.77 (m, 2H), 1.29 (d, J=6.8 Hz, 3H).

Example 23

(114) Preparation of Compound 86

(115) ##STR00056##

(116) The compound 2 (82 mg, 0.2 mmol) was suspended in methanol (2 mL), then 0.1M sodium hydroxide-methanol solution (2 mL, 0.2 mmol) was added to be stirred for 30 min, then methanol was removed by concentration to obtain a corresponding sodium salt, namely, compound 86 (84 mg), which was a white-like solid. .sup.1H-NMR (400 MHz, CDCl.sub.3) δ 10.36 (br, 1H), 8.41 (s, 1H), 7.40 (m, 1H), 7.25 (m, 1H), 7.08 (m, 1H), 5.30 (m, 1H), 4.95 (m, 1H), 4.76 (m, 1H), 4.60 (m, 2H), 4.15 (m, 1H), 3.32 (m, 1H), 2.85 (m, 1H), 1.31 (d, J=6.4 Hz, 3H).

(117) Experiment of In-Vitro Anti-HIV Activity in the Disclosure

(118) Anti-HIV Activity of Compounds 1, 2, 3, 4, 5, 6, 8, 10, 12, 18, 20, 34 and 66 in Cell Culture

(119) I. Materials and Methods

(120) 1. Measurement of Drugs and Compounds

(121) To-be-detected samples are compounds 1, 2, 3, 4, 5, 6, 8, 10, 12, 18, 20, 34 and 66, and positive control compounds are tenofovir disoproxil fumarate (TDF) and dolutegravir. The to-be-detected samples are dissolved into DMSO, the concentration of stock solution is 50 mM, and storage condition is as follows: 4° C.; TDF and dolutegravir are dissolved into DMSO, the concentration of stock solution is 100 mM, and storage condition is 4° C.

(122) 2. Reagents and Solution

(123) (1) Reagents

(124) MTT (3,(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide), Triton X-100, Penicillin, sodium chloride, potassium chloride, potassium dihydrogen phosphate, disodium hydrogen phosphate, DMSO, anti-IgG Fc antibody, horseradish peroxidase (HRP) and labeled goat anti-rabbit IgG antibody are products from Sigma-aldrich company. SDS (sodium dodecyl sulfate) and Streptomycinsulfate are products from Amersco company. RPMI-1640 and fetal bovine serum are products from Invitrogen company, the anti-HIV p24 monoclonal antibody and the rabbit anti-HIV-1 p24 polyclonal antibody are prepared from this lab. MTT (3,(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide), DMF (N, N′-dimethyl formamine), Penicillin and Streptomycin sulfate are all purchased from Sigma company. RPMI-1640 and fetal bovine serum are products from Gibco company.

(125) (2) A RPMI-1640 complete culture medium contains 10% fetal bovine serum, 2 mML-glutamine, 10 mM HEPES, 50 μM-2-mercaptoethanol, 100,000 IU Penicillin and 100 μg/ml Streptomycin.

(126) 3. Cells and Viruses

(127) Human T lymphocytic series C8166 and HIV-1 experiment strain HIV-1IIIB are both from National Institutes of Health (NIH); cells are cultured in the RPMI-1640 complete culture medium containing 10% fetal bovine serum. HIV-1IIIB is prepared by using a conventional method, titration and calculation of TCID 50 of viruses are performed. Virus stock solution is subpackaged and stored at −70° C. Cells and viruses are cryopreserved and recovered according to conventional methods.

(128) 4. Infectious Titration of HIV-1

(129) HIV-1IIIB is titrated by the improved method described by Johnson & Byington (1990). It is briefly described as follows: the HIV-1 stock solution is diluted by 4 times on a 96-well plate with 10 gradients and 6 repetition wells per gradient, and 6 control wells are set at the same time. 50 μl of C8166 cells are added in each well, the final volume of each well is 200 μl. Culture is performed under the conditions of 37° C. and 5% CO.sub.2. 100 μl of fresh RPMI-1640 complete medium is supplemented on the 3rd day. The cytopathic effect (CPE) induced by HIV is observed under the inverted microscope on the 7th day, which is determined depending on whether syncytiums are present in each well. TCID 50 (50% tissue culture infection dose) of viruses is calculated according to the Reed & Muench method.

(130) 5. Measurement of HIV-1 p24 Antigen with p24 Antigen Capture ELISA Method

(131) The 1 μg/plate of anti-mouse IgG Fc antibody was paved at 4° C. for overnight; the plate was sealed with 5% skimmed milk powder 4° C. for overnight; 100 μl/well mouse anti-p24 monoclonal antibody was added at 37° C. for 1 h; 100 μl/well (1:100) diluted rabbit anti-p24 polyclonal antibody (homemade) was added for 1 h at 37° C.; 100 μl/well (1:20000) diluted goat anti-rabbit IgG HRP was added for 1 h at 37° C.; OPD substrate reaction solution was added. After 10 min, 2M sulfuric acid was added to stop the reaction. The OD value was determined by Elx800 ELISA, and the wavelength was measured as 490/630 nm. The inhibition rate and EC50 of the drug on the p24 antigen replication and expression of HIV-1, namely, the concentration of the drug inhibiting 50% HIV-1 p24 antigen were calculated, namely, the concentration of the drug inhibiting 50% HIV-1 p24 antigen expression was calculated.

(132) 6. Toxicity Test of C8166 Cells

(133) 100 μl of 4×10.sup.5 ml C8166 was mixed with different to-be-detected drug solutions, and 3 repetition wells were set. Meanwhile, control wells were set. Culture was performed for 3 days under the conditions of 37° C. and 5% CO.sub.2. Cytotoxicity was detected with MTT colorimetric method. The OD value was measured with EL ×800 ELIASA, the wavelength was measured as 570/630 nm. The CC50 value was calculated (50% cytotoxic concentration), namely, the concentration of the drug when toxicity was generated for 50% normal T lymphocytic series C8166.

(134) 7. Inhibition Experiment for Cytopathic Effect (CPE) of HIV-1IIIB

(135) 8×10.sup.5/ml C8166 cells were inoculated onto the 96-well cell culture plate containing 100 μl/well drug subjected to gradient multiple proportion dilution in an amount of 50 μl/well, and then 50 μl HIV-1IIIB was added to dilute the supernatant, 1300 TCID 50/well. 3 repetition wells were set. Meanwhile, normal cell control wells without drugs were set. TDF and dolutegravir were positive drug controls. Culture was performed for 3 days under the conditions of 37° C. and 5% CO.sub.2, and syncytia formation were counted under the inverted microscope (100×). EC50 (50% Effective Concentration) is the concentration of the drug when 50% of syncytia formation is inhibited.

(136) 8. Inhibition Effect of Samples on Replication in Experiment Strain HIV-1IIIB Acute Infectious C8166 Cells

(137) 4×105 cells/ml C8166 cells and HIV-1IIIB MOI (multiplicity of infection=0.04) are infected for 2 h at 37° C., the obtained mixture is washed three times with PBS to remove free virus ions, 100 μl of cells are inoculated onto the 96-well plate containing 100 μl of to-be-detected compounds having different dilutions and cultured for 3 days under the conditions of 37° C. and 5% CO.sub.2. The cultural supernatant is centrifuged and then collected, and finally lysed and inactivated with 0.5% Triton X-100. The inhibition effect of the drug on HIV-1 replication is detected by using the p24 antigen capture ELISA method.

(138) 9. Calculation Formula

(139) According to experiment results, fitted curves are drawn using Origin2016, the 50% effective concentrations (EC50) of the samples inhibiting viruses, 50% cell growth inhibition concentrations (CC50) and TI (therapeutic index) value against HIV-1 activity are calculated based on Reed & Muench method, and the TI value is TI=CC50/EC50.

(140) 1. Cell growth survival rate (%)=experiment well OD value/control well OD value×100

(141) 2. HIV-1 cytopathic cell inhibition rate (%)=(1−experiment well syncytia number/control well syncytia number)×100

(142) 3. HIV-1 p24 antigen expression inhibition rate (%)=(1−experiment well OD value/control well OD value)×100

(143) Inhibition Effects of Compounds 1, 2, 3, 4, 5, 6, 8, 10, 12, 18, 20, 34 and 66 on HIV-1 in C8166 Cell Culture

(144) Toxicities and anti-HIV-1 activities of compounds 1, 2, 3, 4, 5, 6, 8, 10, 12, 18, 20, 34 and 66 on cells are measured with MTT method. Results are seen in Table 1.

(145) TABLE-US-00001 TABLE 1 In-vitro cytotoxicity and anti-HIV-1 activity of compounds of the disclosure and positive drugs TDF and Dolutegravir Compounds Experiments Methods CC50 (μM) EC50 Therapeutic index TI TDF Cytotoxicity experiment MTT 157.14 ± 21.39 Inhibition experiment of cpe 12.06 ± 11.27 nM  13029.85 HIV-1IIIB cytopathy Inhibition experiment of P24  8.07 ± 4.72 nM 19472.12 HIV-1IIIB acute infectious C8166 cells Dolutegravir Cytotoxicity experiment MTT 26.55 ± 2.20 Inhibition experiment of cpe  2.13 ± 0.33 nM 12464.48 HIV-1IIIB cytopathy Inhibition experiment of P24  1.05 ± 0.12 nM 25285.71 HIV-1IIIB acute infectious C8166 cells 1 Cytotoxicity experiment MTT 20.33 ± 0.21 Inhibition experiment of cpe 186.56 ± 31.10 pM  108973.00 HIV-1IIIB cytopathy Inhibition experiment of P24 200.78 ± 33.32 pM  101255.11 HIV-1IIIB acute infectious C8166 cells 2 Cytotoxicity experiment MTT 11.33 ± 0.11 Inhibition experiment of cpe 15.66 ± 2.61 pM 723499.36 HIV-1IIIB cytopathy Inhibition experiment of P24 18.06 ± 2.86 pM 6273353.27 HIV-1IIIB acute infectious C8166 cells 3 Cytotoxicity experiment MTT 18.63 ± 0.35 Inhibition experiment of cpe 28.88 ± 5.11 pM 645083.10 HIV-1IIIB cytopathy Inhibition experiment of P24 35.06 ± 6.02 pM 531374.79 HIV-1IIIB acute infectious C8166 cells 4 Cytotoxicity experiment MTT 18.63 ± 0.35 Inhibition experiment of cpe 28.88 ± 5.11 pM 645083.10 HIV-1IIIB cytopathy Inhibition experiment of P24 35.06 ± 6.02 pM 531374.79 HIV-1IIIB acute infectious C8166 cells 5 Cytotoxicity experiment MTT 16.13 ± 0.30 Inhibition experiment of cpe 162.00 ± 18.11 pM  99567.90 HIV-1IIIB cytopathy Inhibition experiment of P24 188.06 ± 22.78 pM  85770.50 HIV-1IIIB acute infectious C8166 cells 6 Cytotoxicity experiment MTT 22.63 ± 0.48 Inhibition experiment of cpe 182.00 ± 20.33 pM  124340.07 HIV-1IIIB cytopathy Inhibition experiment of P24 208.06 ± 36.12 pM  108766.70 HIV-1IIIB acute infectious C8166 cells 8 Cytotoxicity experiment MTT 26.33 ± 0.35 Inhibition experiment of cpe 715.76 ± 102.61 pM   36786.07 HIV-1IIIB cytopathy Inhibition experiment of P24 780.96 ± 112.86 pM   33714.91 HIV-1IIIB acute infectious C8166 cells 10 Cytotoxicity experiment MTT 45.16 ± 0.41 Inhibition experiment of cpe  3.82 ± 0.51 nM 11822.00 HIV-1IIIB cytopathy Inhibition experiment of P24  4.16 ± 0.58 nM 10855.77 HIV-1IIIB acute infectious C8166 cells 12 Cytotoxicity experiment MTT 28.63 ± 0.32 Inhibition experiment of cpe 526.23 ± 77.12 pM  54405.86 HIV-1IIIB cytopathy Inhibition experiment of P24 589.06 ± 86.06 pM  48558.34 HIV-1IIIB acute infectious C8166 cells 18 Cytotoxicity experiment MTT 14.03 ± 0.21 Inhibition experiment of cpe 10.16 ± 2.11 pM 1380633.73 HIV-1IIIB cytopathy Inhibition experiment of P24 11.09 ± 2.09 pM 1265674.33 HIV-1IIIB acute infectious C8166 cells 20 Cytotoxicity experiment MTT 18.33 ± 0.19 Inhibition experiment of cpe 125.06 ± 17.03 pM  146569.64 HIV-1IIIB cytopathy Inhibition experiment of P24 148.46 ± 20.12 pM  123467.60 HIV-1IIIB acute infectious C8166 cells 34 Cytotoxicity experiment MTT 20.68 ± 0.32 Inhibition experiment of cpe 35.88 ± 6.11 pM 576365.66 HIV-1IIIB cytopathy Inhibition experiment of P24 38.13 ± 6.52 pM 542355.51 HIV-1IIIB acute infectious C8166 cells 66 Cytotoxicity experiment MTT 20.08 ± 0.21 Inhibition experiment of cpe 75.35 ± 8.61 pM 266489.71 HIV-1IIIB cytopathy Inhibition experiment of P24 83.56 ± 10.86 pM  240306.37 HIV-1IIIB acute infectious C8166 cells

(146) It can be seen from Table 1 that novel sulfur-containing polycyclic-hydroxypyridone carboxamide analogs have good anti-HIV activity, and in particular, compounds 2, 18 and 34 have extremely strong inhibition effects on HIV-1 replication in vitro and possess a good application development prospect. Development of this type of compounds is of great significance on the development of AIDS drugs, and will bring good news for AIDS patients.

(147) The above descriptions are only partial preferred embodiments of the disclosure, the disclosure is not limited to contents of these embodiments. Those skilled in the art can make various variations and changes within the conception range of the technical solution of the disclosure, and the made any variations and changes are all included within the protection scope of the disclosure.