Chiral Amine-Polyoxometalate Hybrids as Highly Efficient and Recoverable Asymmetric Enamine Catalysts
Sanzhong Luo*, Jiuyuan Li, Hui Xu, Long Zhang and Jin-Pei Cheng
*Beijing National Laboratory for Molecular Sciences (BNLMS), Center for Chemical Biology, Institute of Chemistry, Chinese Academy of Science, Beijing, 100080, China, Email: luosziccas.ac.cn
S. Luo, J. Li, H. Xu, L. Zhang, J.-P. Cheng, Org. Lett., 2007, 9, 3675-3678.
DOI: 10.1021/ol701685y (free Supporting Information)
Chiral amine and polyoxometalate acids were combined to give highly efficient, stereoselective, and recoverable enamine-based catalysts. The catalyst could be recovered and reused 6 times with unchanged enantioselectivity and slightly decreased activity.
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