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Ionic Liquid-Immobilized Quinuclidine-Catalyzed Morita−Baylis−Hillman Reactions

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Xueling Mi,^† Sanzhong Luo,^‡ and Jin-Pei Cheng*^†^‡

Department of Chemistry and State Key Laboratory of Elemento-organic Chemistry, Nankai University, Tianjin 300071, China, and Center for Molecular Science, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, China %jpcheng@nankai.edu.cn

J. Org. Chem., 2005, 70 (6), pp 2338–2341

DOI: 10.1021/jo048391d

Publication Date (Web): February 2, 2005

Section:

General Organic Chemistry

Abstract

The ionic liquid-bound quinuclidine catalyzed Baylis−Hillman reactions were investigated. The IL-supported catalyst showed equally good catalytic activity as compared with its nonimmobilized counterpart. The corresponding Baylis−Hillman adducts were obtained in moderate to high yields in all the cases tested. The IL-supported quinuclidine can be readily recovered and reused six times without significant loss of catalytic activity.

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