Publication number: 20020061840
Abstract: The invention concerns a compound of general formula (I) wherein: R1 represents an alkyl, alkenyl or alkynyl chain, or a cycloalkyl, or (cycloalkyl)alkyl group substituted by at least a COOH, SO3H, PO3H2 or tetrazolyl group; R2 represents an alkyl chain, or an aryl, arylalkyl, cycloalkyl, (cycloalkyl)alkyl, (heteroaryl)alkyl group substituted or not by at least a OH, OR, SR′, NH2, NHR′, guanidinyl, COOH, CONH2 group, or a halogen atom; R3 represents a hydrogen atom or a methyl group; R4 represents a) an alkyl chain, an aryl, alrylalkyl, cycloalkyl, (cycloalkyl)alkyl, (heteroalkyl)alkyl, heterocycloalkyl or (heterocycloalkyl)alkyl group substituted by at least a CONH2, SO3H, SO2NH2, PO3H2 or tetrazolyl group, (b) C2-C6 alkyl chain, an aryl, arylakyl, cycloalkyl, (cycloalkyl)alkyl, (heteroaryl)alkyl, heterocycloalkyl, (heterocycloalkyl)alkyl group substituted by at least a CO2H group capable of being protected as described above; or c) R3 and R4 can together form a heterocyclic compound, with 5 to 6
Type:
Application
Filed:
July 20, 2001
Publication date:
May 23, 2002
Inventors:
Bernard Roques, Marie-Claude Fournie-Zaluski, Laurent Bischoff, Christelle David, Catherine LLorens-Cortes