Pyrrole Synthesis Catalyzed by AgOTf or Cationic Au(I) Complexes
摘要:
Either silver trifluoromethanesulfonate or a mixture of gold( I) chloride, silver trifluoromethanesulfonate, and triphenylphosphine catalyze the formation of pyrroles from substituted beta-alkynyl ketones and amines. The reactions proceed by using 5 mol % of catalyst with yields of isolated pyrroles ranging from 13% to 92%. Sixteen examples are used to compare the effectiveness of each catalyst.
Pyrrole Synthesis Catalyzed by AgOTf or Cationic Au(I) Complexes
作者:Tyler J. Harrison、Jennifer A. Kozak、Montserrat Corbella-Pané、Gregory R. Dake
DOI:10.1021/jo060382c
日期:2006.6.1
Either silver trifluoromethanesulfonate or a mixture of gold( I) chloride, silver trifluoromethanesulfonate, and triphenylphosphine catalyze the formation of pyrroles from substituted beta-alkynyl ketones and amines. The reactions proceed by using 5 mol % of catalyst with yields of isolated pyrroles ranging from 13% to 92%. Sixteen examples are used to compare the effectiveness of each catalyst.