The present invention relates to certain novel 2,3-dihydro-1H-indole compounds, pharmaceutical compositions comprising the compounds, and methods of using the compounds to treat cancer, more particularly for the treatment of cancer selected from the group consisting of melanoma, acute myeloid leukemia, chronic lymphocytic leukemia, colorectal cancer, breast cancer, lung cancer, ovarian cancer, fallopian tube carcinoma, primary peritoneal carcinoma, cervical cancer, gastric cancer, liver cancer, pancreatic cancer, thyroid cancer, glioblastoma, non-Hodgkin's lymphoma, and Hodgkin's lymphoma. ##STR00001##

The present invention relates to certain novel 2,3-dihydro-1H-indole compounds, pharmaceutical compositions comprising the compounds, and methods of using the compounds to treat cancer, more particularly for the treatment of cancer selected from the group consisting of melanoma, acute myeloid leukemia, chronic lymphocytic leukemia, colorectal cancer, breast cancer, lung cancer, ovarian cancer, fallopian tube carcinoma, primary peritoneal carcinoma, cervical cancer, gastric cancer, liver cancer, pancreatic cancer, thyroid cancer, glioblastoma, non-Hodgkin's lymphoma, and Hodgkin's lymphoma. ##STR00001##

Disclosed is a novel adamantine derivative compound, an isomer thereof, pharmaceutically acceptable salt thereof, prodrug thereof, hydrate thereof or a solvate thereof. Also disclosed is a method for preparing a novel adamantine derivative compound, an isomer thereof, pharmaceutically acceptable salt thereof, prodrug thereof, hydrate thereof or a solvate thereof. The novel adamantane derivative compound or the like has an excellent anti-androgenic effect.

Disclosed is a novel adamantine derivative compound, an isomer thereof, pharmaceutically acceptable salt thereof, prodrug thereof, hydrate thereof or a solvate thereof. Also disclosed is a method for preparing a novel adamantine derivative compound, an isomer thereof, pharmaceutically acceptable salt thereof, prodrug thereof, hydrate thereof or a solvate thereof. The novel adamantane derivative compound or the like has an excellent anti-androgenic effect.

To provide a novel class-A GPCR antagonist, a production method therefor, or a novel compound that interacts with a Na.sup.+-water cluster binding site of a class-A GPCR.

Used is a compound or a salt thereof comprising a structure comprising a class-A GPCR-binding compound linked to a functional group that can bind to a Na.sup.+-water cluster binding site of the class-A GPCR. Also used is a method for producing a class-A GPCR antagonist, comprising the step of linking one compound with another compound that can bind to a Na.sup.+-water cluster binding site of the class-A GPCR.

A method is provided to conveniently separate racemic (3R,4S)-3-acetamido-4-allyl-N-(tert-butyl)pyrrolidine-3-carboxamide and (3S,4R)-3-acetamido-4-allyl-N-(tert-butyl)pyrrolidine-3-carboxamide using selective crystallization with chiral carboxylic acids.

A method is provided to conveniently separate racemic (3R,4S)-3-acetamido-4-allyl-N-(tert-butyl)pyrrolidine-3-carboxamide and (3S,4R)-3-acetamido-4-allyl-N-(tert-butyl)pyrrolidine-3-carboxamide using selective crystallization with chiral carboxylic acids.

The present invention is directed to a compound represented by Structural Formula (A):

##STR00001##

or a pharmaceutically acceptable salt thereof. The variables for Structural Formula (A) are defined herein. Also described is a pharmaceutical composition comprising the compound of Structural Formula (A) and its therapeutic use.

The present invention is directed to a compound represented by Structural Formula (A):

##STR00001##

or a pharmaceutically acceptable salt thereof. The variables for Structural Formula (A) are defined herein. Also described is a pharmaceutical composition comprising the compound of Structural Formula (A) and its therapeutic use.

A method is provided to conveniently separate racemic (3R,4S)-3-acetamido-4-allyl-N-(tert-butyl)pyrrolidine-3-carboxamide and (3S,4R)-3-acetamido-4-allyl-N-(tert-butyl)pyrrolidine-3-carboxamide using selective crystallization with chiral carboxylic acids.