- Controlling mode selectivity in palladium-catalyzed bisdiene carbocyclizations: optimizing for cyclization-trapping over cycloisomerization.
Controlling mode selectivity in palladium-catalyzed bisdiene carbocyclizations: optimizing for cyclization-trapping over cycloisomerization.
Organic letters (2003-09-26)
James M Takacs, Scott D Schroeder, Jianxin Han, Meg Gifford, Xun-Tian Jiang, Twana Saleh, Suresh Vayalakkada, Amy H Yap
PMID14507181
摘要
[reaction: see text] 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.
材料