Controlling Mode Selectivity in Palladium-Catalyzed Bisdiene Carbocyclizations: Optimizing for Cyclization-Trapping over Cycloisomerization
作者:James M. Takacs、Scott D. Schroeder、Jianxin Han、Meg Gifford、Xun-tian Jiang、Twana Saleh、Suresh Vayalakkada、Amy H. Yap
DOI:10.1021/ol035253m
日期:2003.10.1
Screening combinations of five catalyst precursors with 13 phosphorus ligands identified cyclization catalysts that favor carbocyclization-trapping with N-hydroxyphthalimide over a competing cycloisomerization mode.