Compounds of the pregnane series with an oxygen function in the 19-position, processes for their manufacture and pharmaceutical preparations containing these compounds

Abstract From the Canadian patent

Compounds of the pregnane series with an oxygen function in the 19-position, processes for their manufacture and pharmaceutical preparations containing these compounds Abstract of the Disclosure, 19-Oxygenated steroid compounds of the pregnane series of the formula I, (I), in which, R1 represents a hydrogen atom and, R2 represents an .alpha.-oriented lower alkanoylthio group or, R1 and R2 together represent a carbon-carbon bond or an .alpha.or .beta.-oriented methylene radical, R3 represents a free hydroxymethyl group or a hydroxymethyl group etherified by a lower alkyl or esterified by a lower alkanoyl; or represents a formyl group a, carboxyl group or a lower alkoxycarbonyl group and, R4 …