NEUES VERFAHREN ZUR ANTIPODENTRENNUNG VON BICYCLO 3.3.0)OCTAN-3,7-DION-2-CARBONSAEUREESTERN UND IHRER 7-MONOKETALE.

摘要

Steroid ester derivs. of formula (I) and their diastereomers (N) are new (where X = OXO, O(CH2)nO or OCH2, CMe2.CH2O; n = 2 or 3; R2 = H or Me; Y = X or X1; X1 = OMe or OCOR3; R3 = Me, Et, phenyl, benzyl, or pivalyl, the gp.).