STEROIDS V 1 THE SYNTHESIS OF ADRENAL CORTICOSTEROIDS AND ANALOGS FROM ALL OPREGNAN 3 20 ONE

Abstract

The synthesis of a number of 11-desoxy-17α,-hydroxy-20-ketosteroids has been described. Allopregnan-3β-ol-20-one 3-acetate (V), a readily available starting material from plant sources, has been converted through Reichstein's substance L (VI) to allopre