Ionic hydrogenation of C-20, 22-ketene dithioacetal: stereoselective synthesis of steroidal C (20R) aldehydes†
Bapurao B. Shingate,Braja G. Hazra,Vandana S. Pore,Rajesh G. Gonnade,Mohan M. Bhadbhade
Chemical Communications Pub Date : 08/19/2004 00:00:00 , DOI:10.1039/B407952C
Abstract
Homologation of 16-dehydropregnenolone acetate 7 leads to excellent stereocontrolled synthesis of unnatural C (20R) aldehydes4 and 6 through compound 13.
