Reversed stereochemical control in the regioselective reduction of hindered diphenylphosphinoyl (Ph2PO-) ketones and enones
作者:Jason Elliott、David Hall、Stuart Warren
DOI:10.1016/s0040-4039(00)95266-3
日期:1989.1
Reduction of α′-diphenylphosphinoyl enones (6) and crowded α-diphenylphosphinoyl ketones (4) with sodium borohydride in the presence of cerium chloride gives the otherwise difficult to obtain -alcohols (5) and (7).