C07C43/1745

ISOXAZOLINE-SUBSTITUTED BENZAMIDE COMPOUND AND PESTICIDE

An isoxazoline-substituted benzamide compound, and the salt thereof. For example, a compound having the following formula:

##STR00001##

and pesticides characterized by containing the compound as an active ingredient.

Method for synthesizing 2,3,5,6-tetrafluoro-4-methoxymethyl benzyl alcohol

The disclosure discloses a method for synthesizing 2,3,5,6-tetrafluoro-4-methoxymethyl benzyl alcohol from 1,4-bis(methoxymethyl)-2,3,5,6-tetrafluorobenzene, belongings to the technical field of organic synthesis. 1,4-bis(methoxymethyl)-2,3,5,6-tetrafluorobenzene reacts in mixed solution consisting of sulfuric acid aqueous solution and organic carboxylic acid, the obtained mixture is subjected to ester group hydrolysis reaction in the presence of an inorganic base and then to hydroxyl methylation reaction, 2,3,5,6-tetrafluoro-4-methoxymethyl benzyl alcohol is finally obtained via separation and purification, and 1,4-bis(methoxymethyl)-2,3,5,6-tetrafluorobenzene is recovered. The disclosure not only realizes the resource utilization of low-value 1,4-bis(methoxymethyl)-2,3,5,6-tetrafluorobenzene, and meanwhile has the advantages of mild reaction conditions, simple operation, high synthesis yield, good product quality and the like. The disclosure has high social and economic values.

Method for synthesizing 2,3,5,6-tetrafluoro-4-methoxymethyl benzyl alcohol

The disclosure discloses a method for synthesizing 2,3,5,6-tetrafluoro-4-methoxymethyl benzyl alcohol from 1,4-bis(methoxymethyl)-2,3,5,6-tetrafluorobenzene, belongings to the technical field of organic synthesis. 1,4-bis(methoxymethyl)-2,3,5,6-tetrafluorobenzene reacts in mixed solution consisting of sulfuric acid aqueous solution and organic carboxylic acid, the obtained mixture is subjected to ester group hydrolysis reaction in the presence of an inorganic base and then to hydroxyl methylation reaction, 2,3,5,6-tetrafluoro-4-methoxymethyl benzyl alcohol is finally obtained via separation and purification, and 1,4-bis(methoxymethyl)-2,3,5,6-tetrafluorobenzene is recovered. The disclosure not only realizes the resource utilization of low-value 1,4-bis(methoxymethyl)-2,3,5,6-tetrafluorobenzene, and meanwhile has the advantages of mild reaction conditions, simple operation, high synthesis yield, good product quality and the like. The disclosure has high social and economic values.

METHOD FOR SYNTHESIZING 2,3,5,6-TETRAFLUORO-4-METHOXYMETHYL BENZYL ALCOHOL

The disclosure discloses a method for synthesizing 2,3,5,6-tetrafluoro-4-methoxymethyl benzyl alcohol from 1,4-bis(methoxymethyl)-2,3,5,6-tetratluorobenzene, belongings to the technical field of organic synthesis. 1,4-bis(methoxymethyl)-2,3-5,6-tetrafluorobenzene reacts in mixed solution consisting of sulfuric acid aqueous solution and organic carboxylic acid, the obtained mixture is subjected to ester group hydrolysis reaction in the presence of an inorganic base and then to hydroxyl methylation reaction, 2,3,5,6-tetrafluoro-4-methoxymethyl benzyl alcohol is finally obtained via separation and purification, and 1,4-bis(methoxymethyl)-2,3,5,6-tetrafluorobenzene is recovered. The disclosure not only realizes the resource utilization of low-value 1,4-bis(methoxymethyl)-2,3,5,6-tetrafluorobenzene, and meanwhile has the advantages of mild reaction conditions, simple operation, high synthesis yield, good product quality and the like. The disclosure has high social and economic values.

METHOD FOR SYNTHESIZING 2,3,5,6-TETRAFLUORO-4-METHOXYMETHYL BENZYL ALCOHOL

The disclosure discloses a method for synthesizing 2,3,5,6-tetrafluoro-4-methoxymethyl benzyl alcohol from 1,4-bis(methoxymethyl)-2,3,5,6-tetratluorobenzene, belongings to the technical field of organic synthesis. 1,4-bis(methoxymethyl)-2,3-5,6-tetrafluorobenzene reacts in mixed solution consisting of sulfuric acid aqueous solution and organic carboxylic acid, the obtained mixture is subjected to ester group hydrolysis reaction in the presence of an inorganic base and then to hydroxyl methylation reaction, 2,3,5,6-tetrafluoro-4-methoxymethyl benzyl alcohol is finally obtained via separation and purification, and 1,4-bis(methoxymethyl)-2,3,5,6-tetrafluorobenzene is recovered. The disclosure not only realizes the resource utilization of low-value 1,4-bis(methoxymethyl)-2,3,5,6-tetrafluorobenzene, and meanwhile has the advantages of mild reaction conditions, simple operation, high synthesis yield, good product quality and the like. The disclosure has high social and economic values.

ISOXAZOLINE-SUBSTITUTED BENZAMIDE COMPOUND AND PESTICIDE

A substituted alkenylbenzene compound of formula (4):

##STR00001##

wherein X.sup.1 is selected from the group consisting of a halogen atom, SF.sub.5, C.sub.1-C.sub.6haloalkyl, hydroxy C.sub.1-C.sub.6haloalkyl, C.sub.1-C.sub.6alkoxy C.sub.1-C.sub.6haloalkyl, C.sub.3-C.sub.8halocycloalkyl, C.sub.1-C.sub.6haloalkoxy, C.sub.1-C.sub.3haloalkoxy C.sub.1-C.sub.3haloalkoxy, C.sub.1-C.sub.6haloalkylthio, C.sub.1-C.sub.6haloalkylsulfinyl and C.sub.1-C.sub.6haloalkylsulfonyl; X.sup.3 is selected from the group consisting of a hydrogen atom, halogen atom, cyano, nitro, C.sub.1-C.sub.6alkyl, C.sub.1-C.sub.6haloalkyl, C.sub.1-C.sub.6alkoxy and C.sub.1-C.sub.6alkylthio; X.sup.4 is selected from the group consisting of a hydrogen atom, halogen atom, cyano, C.sub.1-C.sub.4alkyl, C.sub.1-C.sub.4alkoxy and C.sub.1-C.sub.4haloalkoxy; R.sup.3 is C(R.sup.3a)(R.sup.3b)R.sup.3c, where R.sup.3a and R.sup.3b independently of each other are a halogen atom, or R.sup.3a and R.sup.3b together form 3- to 6-membered ring together with the carbon atom bonding them by forming a C.sub.2-C.sub.5haloalkylene chain, and R.sup.3c is selected from the group consisting of a hydrogen atom, halogen atom, C.sub.1-C.sub.5alkyl, C.sub.1-C.sub.5haloalkyl, C.sub.1-C.sub.4haloalkoxy and C.sub.1-C.sub.4haloalkylthio, with a proviso that in case where X.sup.1 is a fluorine atom, chlorine atom or trifluoromethyl, and both X.sup.2 and X.sup.3 are a hydrogen atom, in case where both X.sup.1 and X.sup.2 are fluorine atom and X.sup.3 is a hydrogen atom, and in case where both X.sup.1 and X.sup.2 are trifluoromethyl and X.sup.3 is a hydrogen atom, R.sup.3c is a hydrogen atom, chlorine atom, bromine atom, iodine atom, C.sub.1-C.sub.5alkyl, C.sub.1-C.sub.5haloalkyl, C.sub.1-C.sub.4haloalkoxy or C.sub.1-C.sub.4haloalkylthio.

ISOXAZOLINE-SUBSTITUTED BENZAMIDE COMPOUND AND PESTICIDE

A substituted alkenylbenzene compound of formula (4):

##STR00001##

wherein X.sup.1 is selected from the group consisting of a halogen atom, SF.sub.5, C.sub.1-C.sub.6haloalkyl, hydroxy C.sub.1-C.sub.6haloalkyl, C.sub.1-C.sub.6alkoxy C.sub.1-C.sub.6haloalkyl, C.sub.3-C.sub.8halocycloalkyl, C.sub.1-C.sub.6haloalkoxy, C.sub.1-C.sub.3haloalkoxy C.sub.1-C.sub.3haloalkoxy, C.sub.1-C.sub.6haloalkylthio, C.sub.1-C.sub.6haloalkylsulfinyl and C.sub.1-C.sub.6haloalkylsulfonyl; X.sup.3 is selected from the group consisting of a hydrogen atom, halogen atom, cyano, nitro, C.sub.1-C.sub.6alkyl, C.sub.1-C.sub.6haloalkyl, C.sub.1-C.sub.6alkoxy and C.sub.1-C.sub.6alkylthio; X.sup.4 is selected from the group consisting of a hydrogen atom, halogen atom, cyano, C.sub.1-C.sub.4alkyl, C.sub.1-C.sub.4alkoxy and C.sub.1-C.sub.4haloalkoxy; R.sup.3 is C(R.sup.3a)(R.sup.3b)R.sup.3c, where R.sup.3a and R.sup.3b independently of each other are a halogen atom, or R.sup.3a and R.sup.3b together form 3- to 6-membered ring together with the carbon atom bonding them by forming a C.sub.2-C.sub.5haloalkylene chain, and R.sup.3c is selected from the group consisting of a hydrogen atom, halogen atom, C.sub.1-C.sub.5alkyl, C.sub.1-C.sub.5haloalkyl, C.sub.1-C.sub.4haloalkoxy and C.sub.1-C.sub.4haloalkylthio, with a proviso that in case where X.sup.1 is a fluorine atom, chlorine atom or trifluoromethyl, and both X.sup.2 and X.sup.3 are a hydrogen atom, in case where both X.sup.1 and X.sup.2 are fluorine atom and X.sup.3 is a hydrogen atom, and in case where both X.sup.1 and X.sup.2 are trifluoromethyl and X.sup.3 is a hydrogen atom, R.sup.3c is a hydrogen atom, chlorine atom, bromine atom, iodine atom, C.sub.1-C.sub.5alkyl, C.sub.1-C.sub.5haloalkyl, C.sub.1-C.sub.4haloalkoxy or C.sub.1-C.sub.4haloalkylthio.

ISOXAZOLINE-SUBSTITUTED BENZAMIDE COMPOUND AND PESTICIDE

A substituted alkenylbenzene compound of formula (4):

##STR00001##

wherein X.sup.1 is selected from the group consisting of a halogen atom, SF.sub.5, C.sub.1-C.sub.6haloalkyl, hydroxy C.sub.1-C.sub.6haloalkyl, C.sub.1-C.sub.6alkoxy C.sub.1-C.sub.6haloalkyl, C.sub.3-C.sub.8halocycloalkyl, C.sub.1-C.sub.6haloalkoxy, C.sub.1-C.sub.3haloalkoxy C.sub.1-C.sub.3haloalkoxy, C.sub.1-C.sub.6haloalkylthio, C.sub.1-C.sub.6haloalkylsulfinyl and C.sub.1-C.sub.6haloalkylsulfonyl; X.sup.3 is selected from the group consisting of a hydrogen atom, halogen atom, cyano, nitro, C.sub.1-C.sub.6alkyl, C.sub.1-C.sub.6haloalkyl, C.sub.1-C.sub.6alkoxy and C.sub.1-C.sub.6alkylthio; X.sup.4 is selected from the group consisting of a hydrogen atom, halogen atom, cyano, C.sub.1-C.sub.4alkoxy and C.sub.1-C.sub.4haloalkoxy; R.sup.3 is C(R.sup.3a)(R.sup.3b)R.sup.3c, where R.sup.3a and R.sup.3b independently of each other are a halogen atom, or R.sup.3a and R.sup.3b together form 3- to 6-membered ring together with the carbon atom bonding them by forming a C.sub.2-C.sub.5haloalkylene chain, and R.sup.3c is selected from the group consisting of a hydrogen atom, halogen atom, C.sub.1-C.sub.5haloalkyl, C.sub.1-C.sub.4haloalkoxy and C.sub.1-C.sub.4haloalkylthio, with a proviso that in case where X.sup.1 is a fluorine atom, chlorine atom or trifluoromethyl, and both X.sup.2 and X.sup.3 are a hydrogen atom, in case where both X.sup.1 and X.sup.2 are fluorine atom and X.sup.3 is a hydrogen atom, and in case where both X.sup.1 and X.sup.2 are trifluoromethyl and X.sup.3 is a hydrogen atom, R.sup.3c is a hydrogen atom, chlorine atom, bromine atom, iodine atom, C.sub.1-C.sub.5alkyl, C.sub.1-C.sub.5haloalkyl, C.sub.1-C.sub.4haloalkoxy or C.sub.1-C.sub.4haloalkylthio.

ISOXAZOLINE-SUBSTITUTED BENZAMIDE COMPOUND AND PESTICIDE

A substituted alkenylbenzene compound of formula (4):

##STR00001##

wherein X.sup.1 is selected from the group consisting of halogen atom, SF.sub.5, C.sub.1-C.sub.6halo alkyl, hydroxy C.sub.1-C.sub.6haloalkyl, C.sub.1-C.sub.6alkoxy C.sub.1-C.sub.6haloalkyl, C.sub.3-C.sub.8halocycloalkyl, C.sub.1-C.sub.6 haloalkoxy, C.sub.1-C.sub.3haloalkoxy C.sub.1-C.sub.3haloalkoxy, C.sub.1-C.sub.6haloalkylthio, C.sub.1-C.sub.6haloalkylsulfinyl and C.sub.1-C.sub.6haloalkylsulfonyl; X.sup.3 is selected from the group consisting of a hydrogen atom, halogen atom, cyano, nitro, C.sub.1-C.sub.6alkyl, C.sub.1-C.sub.6haloalkyl, C.sub.1-C.sub.6alkoxy and C.sub.1-C.sub.6 alkylthio; X.sup.4 is selected from the group consisting of a hydrogen atom, halogen atom, cyano, C.sub.1-C.sub.4alkyl, C.sub.1-C.sub.4alkoxy and C.sub.1-C.sub.4haloalkoxy; R.sup.3 is C(R.sup.3a)(R.sup.3b)R.sup.3c, where R.sup.3a and R.sup.3b independently of each other are a halogen atom, or R.sup.3a and R.sup.3b together form 3- to 6-membered ring together with the carbon atom bonding them by forming a C.sub.2-C.sub.5haloalkylene chain, and R.sup.3c is selected from the group consisting of a hydrogen atom, halogen atom, C.sub.1-C.sub.5alkyl, C.sub.1-C.sub.5haloalkyl, C.sub.1-C.sub.4haloalkoxy and C.sub.1-C.sub.4haloalkylthio, with a proviso that in case where X.sup.1 is a fluorine atom, chlorine atom or trifluoromethyl, and both X.sup.2 and X.sup.3 are a hydrogen atom, in case where both X.sup.1 and X.sup.2 are fluorine atom and X.sup.3 is a hydrogen atom, and in case where both X.sup.1 and X.sup.2 are trifluoromethyl and X.sup.3 is a hydrogen atom, R.sup.3c is a hydrogen atom, chlorine atom, bromine atom, iodine atom, C.sub.1-C.sub.5alkyl, C.sub.1-C.sub.5haloalkyl, C.sub.1-C.sub.4haloalkoxy or C.sub.1-C.sub.4haloalkylthio.