PYRIDOPYRANOAZEPINE DERIVATIVES, THEIR PREPARATION AND THEIR THERAPEUTIC APPLICATION

摘要

The invention concerns compounds of general formula (I) wherein: R1 representsa hydrogen atom, an alkyl, phenylalkyl, phenylhydroxyalkyl, furanylalkyl orfuranylhydroxyalkyl group; R2 represents either a hydrogen or a halogen atomor a trifluoromethyl, cyano, hydroxy, nitro, acetyl, alkoxy, amino group ofgeneral formula NR4R5 wherein: R4 and R5 represent each a hydrogen atom or analkyl group or form, with the nitrogen atom which bears them, a C4-C7 cycle,or a phenyl or naphthyl group optionally substituted by a halogen atom or atrifluoromethyl, trifluoromethoxy, cyano, hydroxy, nitro, acetyl alkyl,alkoxy, or methylenedioxy group; and R3 represents a hydrogen or halogen atomor an alkyl group.