PROCESS FOR THE STEREOSPECIFIC SYNTHESIS OF INDOLE DERIVATIVES

摘要

IN THE UNITED STATES PATENT /A TRADEMARK OFFICE PATENT APPLICATION entitled: Process for the stereospecific synthesis of indole derivatives in the names of: Jean WAGNON Claude PLOUZANE Bernard TONNERRE Dino NISATO Assignee: SANOFI The present invention relates to a process for the stereospecific synthesis of indole derivatives of formula : (I) which consists in using 3-tosyloxy-1,2 0-isopropylidenepropane-1,2 -diol in an optically pure form in order to introduce the asymetric carbon C* of the compound (I).