作者:Ismail Özdemir、Mitat Akkoç、Nevin Gürbüz、Engin Çetinkaya
DOI:10.1055/s-2008-1078548
日期:——
Novel functionalized 1,3-dialkylimidazolinium (LH) salts as precursors for N-heterocyclic carbenes (NHCs) have been prepared and successfully applied in the palladium-catalyzed synthesis of diaryl ethers and arylation ofbenzaldehydes. An efficient catalyst system was prepared in situ from Pd(OAc) 2 , 1,3-dialkylimidazolinium bromides (LHBr), and NaH.
作为 N-杂环卡宾 (NHC) 前体的新型官能化 1,3-二烷基咪唑啉 (LH) 盐已被制备并成功应用于钯催化合成二芳基醚和苯甲醛的芳基化。由 Pd(OAc) 2 、1,3-二烷基咪唑啉溴化物 (LHBr) 和 NaH 原位制备了一种有效的催化剂体系。