| abstract |
Compounds of general formula (I) (CF DRAWING IN BOPI) in which R1 represents a hydrogen atom, an alkyl, phenylalkyl, phenylhydroxyalkyl, furanylalkyl or furanylhydroxyalkyl group, R2 represents either a hydrogen or halogen atom or a group trifluoromethyl, cyano, hydroxy, nitro, acetyl, alkyl, alkoxy, amino of general formula NR4 R5 in which R4 and R5 each represent a hydrogen atom or an alkyl group or form, with the nitrogen atom which carries them, a C4 -C7 ring, or a phenyl or naphthyl group optionally substituted by a halogen atom or a trifluoromethyl, trifluoromethoxy, cyano, hydroxy, nitro, acetyl, alkyl, alkoxy, or methylenedioxy atom, and R3 represents an atom of hydrogen or halogen or an alkyl group. |