161579-73-3Relevant articles and documents
Synthesis of (19E)-3β,17-dihydroxy-20-oxopregn-5-en-19-al 19-(O-carboxymethyl)oxime, new steroidal hapten for 17-hydroxypregnenolone
Pouzar, Vladimir,Fajkos, Jan
, p. 696 - 701 (2007/10/02)
A synthesis of (19E)-3β,17-dihydroxy-20-oxopregn-5-en-19-al 19-(O-carboxymethyl)oxime (15), is reported.Hydride reduction of ketone 1 gave the (20R)-hydroxy derivative 2 as the main product.Formylation of 2 followed by cleavage of the epoxide ring and mil