Patent ID: 8378112
Filing Date: 2013-02-19
Classification: A61K,A61P

Abstract:
1. A glycyrrhetinic acid derivative represented by the following general formula (1) and pharmaceutically acceptable salts thereof; (wherein (in the formula, ring A represents a heterocyclic ring which may also have a substituent group in addition to R1; R1 a linear or branched alkyl group having 1 to 6 carbon atoms; R2 a hydroxyl or carbonyl(O═) group; R3 a hydrogen atom, a hydroxyl group or a linear or branched alkyl group having 1 to 4 carbon atoms; R4 a hydrogen atom, a hydroxyl group, or a linear or branched alkyl group having 1 to 4 carbon atoms; R5 a hydrogen atom, a hydroxyl, a carbonyl group (O═) or a linear or branched alkyl group having 1 to 4 carbon atoms; R6 a hydrogen atom, a hydroxyl, a carbonyl group (O═) or a linear or branched alkyl group having 1 to 4 carbon atoms, or a halogen atom; R7 a hydrogen atom or a hydroxyl group; and X