| 摘要 |
The invention relates to the compounds (I): <IMAGE> in which, - either X and X' form C=O or C=NOR with R=H, heterocycle, alkyl, alkenyl, alkynyl, optionally substituted, or X represents a radical <IMAGE> R<a>, Rb representing H or hydrocarbon radical or forming a heterocycle with N or a 9-N, 11-O ring with A and X' = H, - Y and Y' have the same meaning as X and X', - B = H, OR4, R4 = H or forms a carbonate or a carbamate with A, - A forms a double bond with C, or - A = OR'4, R'4 = H or forms a carbonate with B <IMAGE> R2 = alk or CONH2, CONHCOR11 or CONHSO2R11, R11 = hydrocarbon up to 18 C, R3 = H, alkyl <IMAGE> Z = H or carboxylic acid residue, and their salts, their preparation and their application as medicaments. |
