New decladinosylated derivatives of erythromycin, process for preparing them and their use as medicinal products

摘要

The compounds of formula (I): - either X and X' form C=O or C=NOR, R=H, heterocycle, alkyl, alkenyl, alkynyl, or alternatively X represents a radical Ra, Rb being a hydrocarbon radical or forming with the nitrogen atom a heterocycle, and X'=H, - Y and Y' have the same meaning as X and X', - B = H, O4, R4 = H, or forms with A a carbonate or a carbamate, - A = OR'4, R'4 = H 1 1