A compound of Formula (I), or a pharmaceutically-acceptable salt thereof, is described, wherein the substituents are as defined herein. Pharmaceutical compositions comprising the same and method of using the same are also described.

##STR00001##

The present invention relates to a 6-6 bicyclic ring-containing compound derivative and use thereof. The compound according to the present invention acts as a PRMT5 inhibitor, and thus can be effectively used in the prevention or treatment of diseases caused by PRMT5.

The present invention relates to a 6-6 bicyclic ring-containing compound derivative and use thereof. The compound according to the present invention acts as a PRMT5 inhibitor, and thus can be effectively used in the prevention or treatment of diseases caused by PRMT5.

The present invention relates to isoquinolinone derivatives, a method for preparing the same, and a pharmaceutical composition for preventing or treating poly(ADP-ribose) polymerase-1 (PARP-1)-related diseases containing the same as an active ingredient. The isoquinolinone derivatives exhibit an excellent PARP-1 inhibitory effect at a concentration of nanomolar units, and further exhibit an excellent cytoprotective effect (apoptosis inhibitory effect) on ophthalmic diseases or disorders, specifically retinal disorders, and thus can be effectively used as a pharmaceutical composition for preventing or treating PARP-1-related diseases, for example, ophthalmic diseases or disorders, which contains the same as an active ingredient.

The present invention relates to isoquinolinone derivatives, a method for preparing the same, and a pharmaceutical composition for preventing or treating poly(ADP-ribose) polymerase-1 (PARP-1)-related diseases containing the same as an active ingredient. The isoquinolinone derivatives exhibit an excellent PARP-1 inhibitory effect at a concentration of nanomolar units, and further exhibit an excellent cytoprotective effect (apoptosis inhibitory effect) on ophthalmic diseases or disorders, specifically retinal disorders, and thus can be effectively used as a pharmaceutical composition for preventing or treating PARP-1-related diseases, for example, ophthalmic diseases or disorders, which contains the same as an active ingredient.

The invention belongs to the field of pharmacy, and relates to a class of opioid receptor agonists, their preparation method and the pharmaceutical use thereof, in particular to 3-(dimethylaminomethyl) cyclohex-4-ol derivatives or salts thereof and preparation method thereof, 3-(dimethylaminomethyl) piperidin-4-ol derivatives or salts thereof and preparation method thereof, 3-(dimethylaminomethyl) piperidin-4-ol derivatives or salts thereof and preparation method thereof, 3-(dimethylaminomethyl) piperidin-4-ol derivative or salt thereof and preparation method thereof, 3-(dimethylaminomethyl) piperidin-4-ol derivative or salt thereof and preparation method thereof, and relate to the use of said compounds in the treatment of opioid receptor-mediated diseases. The use of the compound or pharmaceutically acceptable salt, solvate or hydrate thereof in the preparation of a medicament for treating indications related to opioid receptors. The opioid receptor-related indications are pain, irritable bowel syndrome, pruritus, addiction and depression.

The invention belongs to the field of pharmacy, and relates to a class of opioid receptor agonists, their preparation method and the pharmaceutical use thereof, in particular to 3-(dimethylaminomethyl) cyclohex-4-ol derivatives or salts thereof and preparation method thereof, 3-(dimethylaminomethyl) piperidin-4-ol derivatives or salts thereof and preparation method thereof, 3-(dimethylaminomethyl) piperidin-4-ol derivatives or salts thereof and preparation method thereof, 3-(dimethylaminomethyl) piperidin-4-ol derivative or salt thereof and preparation method thereof, 3-(dimethylaminomethyl) piperidin-4-ol derivative or salt thereof and preparation method thereof, and relate to the use of said compounds in the treatment of opioid receptor-mediated diseases. The use of the compound or pharmaceutically acceptable salt, solvate or hydrate thereof in the preparation of a medicament for treating indications related to opioid receptors. The opioid receptor-related indications are pain, irritable bowel syndrome, pruritus, addiction and depression.

Disclosed are a benzyl piperazine compound, a preparation method there for and an application thereof in an antivirus. The benzyl piperazine compound has a structure represented by the following general formula(I). It is proven by experiments that the benzyl piperazine compound not only has significant antiviral activity, but also has the advantages of low cytotoxicity, a high selectivity index and soon.

##STR00001##

Disclosed are a benzyl piperazine compound, a preparation method there for and an application thereof in an antivirus. The benzyl piperazine compound has a structure represented by the following general formula(I). It is proven by experiments that the benzyl piperazine compound not only has significant antiviral activity, but also has the advantages of low cytotoxicity, a high selectivity index and soon.

##STR00001##

Provided are novel heterocyclic derivatives with cardiomyocyte proliferation activity for treatment of heart diseases. Specifically, provided are the compounds of formula (I) or pharmaceutically acceptable salts, stereoisomers, solvates or prodrugs, preparation method thereof, application thereof and pharmaceutical composition useful for treatment of heart diseases.