Gewinnung von 1;4‐Bisdehydro‐3‐oxo‐steroiden. Über Steroide, 139. Mitteilung

Abstract

Abstract A method is described which enables the production in only one chemical step of 1,4‐bisdehydro‐3‐oxo‐steroids inter alia from 3‐oxo‐ steroids saturated in ring A or from the α β‐mono‐unsaturated 3‐ketones. The dehydrogenating agent is selenium dioxide and the solvent a tertiary alcohol preferably containing some acid.