Stereocontrol in organic synthesis using silicon-containing compounds. A synthesis of the (±)-Prelog–Djerassi lactone
作者:Hak-Fun Chow、Ian Fleming
DOI:10.1039/a804270e
日期:——
β-silyl ester, the enolate alkylation 11→12 of a β-silyl ester, silyl-to-hydroxy conversion with retention of configuration 13→14, and stereospecifically anti protodesilylation of the allylsilanes 26 and 27 giving largely the alkene 28. These allylsilanes had themselves been prepared in a stereocontrolled, convergent synthesis from the allylic acetates 24 and 25, providing thereby a general solution to the