1398511-64-2Relevant academic research and scientific papers
Novel series of 17β-pyrazolylandrosta-5,16-diene derivatives and their inhibitory effect on 17α-hydroxylase/C17,20-lyase
Ivanyi, Zoltan,Szabo, Nikoletta,Woelfling, Janos,Szecsi, Mihaly,Julesz, Janos,Schneider, Gyula
, p. 1152 - 1159 (2012/11/13)
The Claisen condensation of 3β-acetoxypregna-5,16-dien-20-one (1) with ethyl formate in the presence of sodium methylate in pyridine is known to lead to 3β-hydroxy-21-hydroxymethylidenepregna-5,16-dien-20-one (2) in good yield. With the methods described
