N-MONOHYDROXYPROPYLAMIDES, N-DIHYDROXYPROPYLAMIDES AND THEIR ACETONOIDES OF ALL-E AND 13-Z RETINOIC ACID, PROCESS FOR THEIR PREPARATION AND PHARMACEUTICAL COMPOSITIONS CONTAINING THEM

摘要

1. N-monohydroxypropylamides and N-dihydroxypropylamides of all-E-retinic acid and 13-Z-retinic acid, of the formulae I and II see diagramm : EP0009776,P7,F1 see diagramm : EP0009776,P8,F2 where X and Y are hydrogen or hydroxyl, but an least one is hydroxyl, or X and Y together with the carbon atoms linking them form a 2,2-dimethyl-1,3-dioxolane ring, and the acetonoids of such N-dihydroxypropylamides.