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. 2012 Feb 14;10(6):1235-8.
doi: 10.1039/c1ob06777j. Epub 2011 Dec 19.

Pd-Catalyzed asymmetric hydrogenation of 3-(toluenesulfonamidoalkyl)indoles

Ying Duan  1 , Mu-Wang Chen, Qing-An Chen, Chang-Bin Yu, Yong-Gui Zhou
Affiliations

Pd-Catalyzed asymmetric hydrogenation of 3-(toluenesulfonamidoalkyl)indoles

Ying Duan et al. Org Biomol Chem. .

Abstract

A series of 2-substituted 3-(toluenesulfonamidoalkyl)indoles was synthesized by application of (EtO)(2)POH or iodine as the catalyst, and was hydrogenated using chiral Pd catalyst, giving the 2,3-disubstituted indolines with up to 97% ee.

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