National Changhua University of Education Institutional Repository : Item 987654321/18887
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题名: Highly Efficient Heck Reactions of Aryl Bromides with n-Butyl Acrylate Mediated by a Palladium/Phosphine-Imidazolium Salt System
作者: Yang, Chuluo;Lee, Hon Man;Steven P. Nolan
贡献者: 化學系
日期: 2001-05
上传时间: 2014-08-14T04:28:38Z
出版者: American Chemical Society
摘要: A new phosphine−imidazolium salt, L·HBr (1, L = (1-ethylenediphenylphosphino-3-(mesityl))imidazol-2-ylidene), has been prepared. A combination of 0.5 mol % of Pd(dba)2 and 0.5 mol % of L·HBr in the presence of 2 equiv of Cs2CO3 as base has proven to be highly efficient in the Heck coupling reactions of aryl bromides (from electron-deficient to electron-rich aryl bromides) with n-butyl acrylate.
關聯: Organic Letters, 3(10): 1511-1514
显示于类别:[化學系] 期刊論文

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