Asymmetric Cyanation of Aldehydes, Ketones, Aldimines, and Ketimines Catalyzed by a Versatile Catalyst Generated from Cinchona Alkaloid, Achiral Substituted 2, 2 …

J Wang, W Wang, W Li, X Hu, K Shen…

Index: Wang, Jun; Wang, Wentao; Li, Wei; Hu, Xiaolei; Shen, Ke; Tan, Cheng; Liu, Xiaohua; Feng, Xiaoming Chemistry - A European Journal, 2009 , vol. 15, # 43 p. 11642 - 11659

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Citation Number: 64

Abstract

Abstract Full investigation of cyanation of aldehydes, ketones, aldimines and ketimines with trimethylsilyl cyanide (TMSCN) or ethyl cyanoformate (CNCOOEt) as the cyanide source has been accomplished by employing an in situ generated catalyst from cinchona alkaloid, tetraisopropyl titanate [Ti (OiPr) 4] and an achiral modified biphenol. With TMSCN as the cyanide source, good to excellent results have been achieved for the Strecker reaction of ...

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