A Soluble Block Copolymer-Supported bis-Cinchona Alkaloid Ligand for the Asymmetric Dihydroxylation of Olefins

Yong-Qing Kuang Department of Chemistry, Fourth Military Medical University, Xi'an, China

Sheng-Yong Zhang Department of Chemistry, Fourth Military Medical University, Xi'an, ChinaCorrespondence[email protected]

Ling-Ling Wei Department of Chemistry, Fourth Military Medical University, Xi'an, China

Abstract

A soluble block copolymer-supported ligand was prepared via polycondensation of a bis-cinchona alkaloid derivative, polyethylene glycol, and terephthaloyl chloride. Its application in the asymmetric dihydroxylation of olefins delivered very good enantioselectivity.

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Acknowledgment

We thank National Natural Science Foundation of China (NSFC) for financial support.

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A Soluble Block Copolymer-Supported bis-Cinchona Alkaloid Ligand for the Asymmetric Dihydroxylation of Olefins

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A Soluble Block Copolymer-Supported bis-Cinchona Alkaloid Ligand for the Asymmetric Dihydroxylation of Olefins

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