HEXAHYDRO-8, 10a-METHANO PYRIDO 2',3':5,6 PYRANO 2,3-d AZEPINE DERIVATIVES AND PHARMACEUTICAL COMPOSITIONS CONTAINING THEM

摘要

The invention concerns compounds of general formula (I) wherein: R1 represents a hydrogen atom, an alkyl, phenylalkyl, phenylhydroxyalkyl, furanylalkyl or furanylhydroxyalkyl group; R2 represents either a hydrogen or a halogen atom or a trifluoromethyl, cyano, hydroxy, nitro, acetyl, alkoxy, amino group of general formula NR4R5 wherein: R4 and R5 represent each a hydrogen atom or an alkyl 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 a trifluoromethyl, trifluoromethoxy, cyano, hydroxy, nitro, acetyl alkyl, alkoxy, or methylenedioxy group; and R3 represents a hydrogen or halogen atom or an alkyl group.