摘要 |
Compounds of formula: <IMAGE> in which R1 is (a) a phenyl radical or a substituted phenyl radical, (b) a chain -CH(R8)-COOR4, (c) a chain -CH2-CO-NR5R6 or (d) a phenylalkyl radical, R2 is a methylene or ethylene radical or a radical -CH(R7)-, R3 is a 1- or 2-naphthyl radical, 2- or 3-indolyl or phenylamino radical in which the phenyl ring is optionally substituted on the understanding that, when R3 is 1- or 2-naphthyl or 2- or 3-indolyl radical, R7 cannot represent a benzyl, alkylthioalkyl or phenyl radical, as well as, when R2 is a radical -CH(R7)-, their racemates and their stereoisomers, and medicinal products containing them. |