Cholest-5-en-24-oxo-3β,19-diacetate was synthesized strarting form stigmasterol 3 via seven step reactions in 21.0% overall yield. It can be served as a key in
A new furostanol component glycosylated only at C-26 was isolated from the rhizomes of Polygonatum odoratum (Mill.) Druce, and its structure was characterized a