A facile approach to steroidal 20-hydroxy-17(20)-en-21-aldehydes: important intermediates in the biological 17-dehydroxylation of C-17 dihydroxyacetone steroids
作者:Maria Luisa Di Gioia、Antonella Leggio、Adolfo Le Pera、Angelo Liguori、Anna Napoli、Carlo Siciliano、Giovanni Sindona
DOI:10.1016/s0040-4039(01)01586-6
日期:2001.10
A novel and straightforward route to steroidal Z- and E-enol aldehydes is presented. Acid-catalysed treatment allows formal dismutation of corticosteroids, affording good yields of the related enol compounds which can be easily separated and purified.