Asymmetric Aldol Reactions of α,β-Unsaturated Ketoester Substrates Catalyzed by Chiral Diamines

doi:10.3390/molecules16053778

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Molecules 2011, 16(5), 3778-3786; doi:10.3390/molecules16053778

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Asymmetric Aldol Reactions of α,β-Unsaturated Ketoester Substrates Catalyzed by Chiral Diamines

Sha-Sha Kan, Jian-Zhen Li, Cheng-Yan Ni, Quan-Zhong Liu* and Tai-Ran Kang

Laboratory of Chemical Synthesis and Pollution Control, College of Chemistry and Chemical Engineering, China West Normal University, Nanchong 637009, Sichuan, China

* Author to whom correspondence should be addressed.

Received: 14 March 2011; in revised form: 16 April 2011 / Accepted: 20 April 2011 / Published: 4 May 2011

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Abstract: Highly efficient asymmetric aldol reactions between α,β-unsaturated keto esters and acyclic ketones catalyzed by chiral diamines are reported. The corresponding products were obtained in excellent yields with excellent enantioselectivities. The absolute configuration for the product was determined by X-ray analysis. A variety of substrates were tolerable in the present catalytic system.

Keywords: chiral diamine; enantioselectivity; aldol reaction; configuration

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MDPI and ACS Style

Kan, S.-S.; Li, J.-Z.; Ni, C.-Y.; Liu, Q.-Z.; Kang, T.-R. Asymmetric Aldol Reactions of α,β-Unsaturated Ketoester Substrates Catalyzed by Chiral Diamines. Molecules 2011, 16, 3778-3786.

AMA Style

Kan S-S, Li J-Z, Ni C-Y, Liu Q-Z, Kang T-R. Asymmetric Aldol Reactions of α,β-Unsaturated Ketoester Substrates Catalyzed by Chiral Diamines. Molecules. 2011; 16(5):3778-3786.

Chicago/Turabian Style

Kan, Sha-Sha; Li, Jian-Zhen; Ni, Cheng-Yan; Liu, Quan-Zhong; Kang, Tai-Ran. 2011. "Asymmetric Aldol Reactions of α,β-Unsaturated Ketoester Substrates Catalyzed by Chiral Diamines." Molecules 16, no. 5: 3778-3786.

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