Enantioselective total syntheses of pumiliotoxin B and pumiliotoxin 251D. A general entry to the pumiliotoxin A alkaloids via stereospecific iminium ion-vinylsilane cyclizations
Enantiospecific total synthesis of dendrobatid toxin 251D. A short chiral entry to the cardiac-active pumiliotoxin A alkaloids via stereospecific iminium ion-vinylsilane cyclizations
Carbonyl participation in the reaction of N-acyl-2-isopropenylpyrrolidines with halogen electrophiles. Stereocontrolled preparation of enantiomerically pure synthons for the synthesis of pumiliotoxin A alkaloids.
作者:Larry E. Overman、Russell J. McCready
DOI:10.1016/s0040-4039(00)85739-1
日期:1982.1
Allylic carbamate 4 and allylic benzamide 12 react with halogen electrophiles with high 1,2-relative asymmetric induction via carbonyl participation.