| abstract |
Process for the preparation of 1,2-dihydro-quinoline-2-ones of the general formula I ** (Formula) ** in which R1, R2, R3, which may be the same or different, signify hydrogen or an alcohol radical lower, R4 signifies hydrogen, halogen, a lower alcohol radical or a lower alkoxy radical, n signifies a low number from 2 to 5, and A signifies a valence line or a methylene group optionally substituted with a phenyl radical, and its salts pharmacologically compatible. |