Patent ID: 7951806
Filing Date: 2011-05-31
Classification: A61P,C07C,C07D

Abstract:
1. A compound represented by formula (I), or a salt or solvate thereof wherein —R —R —X is a sulfur atom or —C(R —B is a carboxy, alkoxycarbonyl, 1H-tetrazol-5-yl, 4,5-dihydro-5-oxo-4H-1,2,4-oxadiazol-3-yl, 4,5-dihydro-5-thioxo-4H-1,2,4-oxadiazol-3-yl, or 4,5-dihydro-5-oxo-1,2,4-thiadiazol-3-yl group; -L is substituted or unsubstituted alkylene (some carbon atoms in the alkylene may form a cycloalkyl ring), alkenylene, alkynylene, cycloalkylene, alkyleneoxyalkylene, alkylenethioalkylene, alkylene-SO-alkylene or alkylene-SO -n is an integer of 0 or 1; -A is —COR wherein R wherein m is an integer of 1 to 4, Y represents a nitrogen atom, CH, C(R 16 ′)—, C(OH)— or CH—O—; R 16 and R 16 ′, the same or different, each represent a hydrogen atom, a substituted or unsubstituted alkyl, cycloalkyl, alkenyl, cycloalkenyl, alkynyl, bicycloalkyl, bicycloalkenyl, adamanthyl, aryl or aralkyl group (including diphenylalkyl); and R 21 and R 21 ′, the same or different, each represent a hydrogen atom, a substituted or unsubstituted alkyl, or phenyl group.