Process for the degradation of the 20-carboxy group of delta 1,4-BNC(bis-nor-cholanic acid) and of related steroid derivatives, as well as some nitrogen-containing steroids with 21 carbons

摘要

c - 21 - steroidverbindungen with a nitrogen function in 20 position, and the general formulain the y hydrogen, a hydroxylgruppe or together with the c atom of the carbonyl and replaced: meansand ins