Tetrahedron letters

A copper-and amine-free Sonogashira-type coupling procedure catalyzed by oxime palladacycles

DA Alonso, C Nájera, MC Pacheco

文献索引：Alonso, Diego A; Najera, Carmen; Pacheco, M Carmen Tetrahedron Letters, 2002 , vol. 43, # 51 p. 9365 - 9368

全文：HTML全文

被引用次数: 166

摘要

Oxime palladacycle derived from 4, 4′-dichlorobenzophenone was found to promote the Sonogashira reaction of aryl iodides and aryl bromides with terminal acetylenes using 1 equivalent of tetrabutylammonium acetate in organic solvents generally in 1 h at 110° C and in high TONs (up to 72000).