STEREOSELECTIVE SYNTHESIS OF VITAMINE D ANALOGUES

摘要

FIELD: chemistry. ^ SUBSTANCE: present invention relates to intermediate compounds used in synthesis of calcipotriol or monohydrate of calcipotriol, to methods of synthesising said intermediate compounds and to methods for stereoselective reduction of the said intermediate compounds. ^ EFFECT: method increases output of C-24 hydroxy epimers of calciprotriol derivatives. ^ 27 cl, 16 ex, 1 tbl