The pyrazole compound of the present invention is represented by the following general formula (I). The pyrazole compound of the present invention or a salt thereof or a solvate thereof potently inhibits liver glycogen phosphorylase, and, therefore, is useful as a therapeutic or prophylactic agent for diabetes.
wherein each symbol denotes as described in the specifications.
Thioamides were treated with iodomethane, and then o,o'-diaminobiphenyl or bipyridyl to afford 6-substituted-5H-dibenzo- or dipyrido [1,3]diazepines in good yields.
Synthesis and reactions of 3-aminothiazolidine-2-thion-4-one derivatives. 2. 3-[R-(Alkylthio)methylene]aminothiazolidine-2-thion-4-ones