Short convergent syntheses of 1,11-epithio and 1,11-epoxy steroids
作者:Joseph P. Adams、Jean Bowler、Mark A. Collins、D. Neville Jones、Steven Swallow
DOI:10.1016/s0040-4039(00)97621-4
日期:1990.1
allyl aryl sulphones with 2-methylcyclopantenone and 2-bromomethylbenzo[b]thiophene or its furan analogue, followed by intramolecular Lewis acid catalysed cyclizations provided short stereoselective syntheses of 1,11-epithio and 1,11-epoxy steroids.