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Open AccessCommunication
Catalysts 2016, 6(9), 132; doi:10.3390/catal6090132

Synthesis of New Chiral Benzimidazolylidene–Rh Complexes and Their Application in Asymmetric Addition Reactions of Organoboronic Acids to Aldehydes

1,3
,
1,3
,
1,* and 2,*
1
School of Medicine, Zhejiang University City College, No. 48, Huzhou Road, Hangzhou 310015, China
2
Individualized Medication Key Laboratory of Sichuan Province, Sichuan Academy of Medical Science & Sichuan Provincial People’s Hospital, School of Medicine, Center for Information in Medicine, University of Electronic Science and Technology of China, Chengdu 610072, China
3
College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China
*
Authors to whom correspondence should be addressed.
Academic Editor: Georgiy B. Shul'pin
Received: 29 July 2016 / Revised: 25 August 2016 / Accepted: 25 August 2016 / Published: 3 September 2016
View Full-Text   |   Download PDF [1089 KB, uploaded 3 September 2016]   |  

Abstract

A series of novel chiral N-heterocyclic carbene rhodium complexes (NHC–Rh) based on benzimidazole have been prepared, and all of the NHC–Rh complexes were fully characterized by NMR and mass spectrometry. These complexes could be used as catalysts for the asymmetric 1,2-addition of organoboronic acids to aldehydes, affording chiral diarylmethanols with high yields and moderate enantioselectivities. View Full-Text
Keywords: N-heterocycliccarbene; benzimidazolium; Rh-catalyzed; asymmetric 1,2-addition N-heterocycliccarbene; benzimidazolium; Rh-catalyzed; asymmetric 1,2-addition
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He, W.; Zhou, B.; Li, J.; Shi, J. Synthesis of New Chiral Benzimidazolylidene–Rh Complexes and Their Application in Asymmetric Addition Reactions of Organoboronic Acids to Aldehydes. Catalysts 2016, 6, 132.

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