Highly Efficient Nickel-Catalyzed Cross-Coupling of Succinic and Glutaric Anhydrides with Organozinc Reagents
作者:Eric A. Bercot、Tomislav Rovis
DOI:10.1021/ja044588b
日期:2005.1.1
introduction of molecular complexity through the use of functionalized coupling partners. Regioselective alkylation of an unsymmetrical succinic anhydride and a profound effect of pendent coordinating olefins on reaction rate suggest a mechanism involving discrete oxidative addition of the nickel complex into the cyclic anhydride followed by a transmetalation event.
已开发出镍催化的琥珀酸和戊二酸酐与烷基和芳基锌试剂的烷基化反应。已经研究了显着的烯烃效应,导致鉴定了几种显示反应速率显着提高的苯乙烯基促进剂。亲电和亲核偶联伙伴的底物范围已经过研究,发现非常广泛,允许通过使用功能化偶联伙伴快速引入分子复杂性。不对称琥珀酸酐的区域选择性烷基化和悬垂配位烯烃对反应速率的深远影响表明,这种机制涉及镍配合物不连续氧化加成到环酐中,然后发生金属转移事件。