Cobalt(II) Coordination Polymer as a Precatalyst for Selective Hydroboration of Aldehydes, Ketones, and Imines
Jing Wu, Haisu Zeng, Jessica Cheng, Shengping Zheng*, James A. Golen, David R. Manke, Guoqi Zhang*
*Hunter College, The City University of New York, New York, New York 10065; The Graduate Center of the CUNY, New York, New York 10019, United States, Email: szh0007hunter.cuny.edu, guzhangjjay.cuny.edu
J. Wu, H. Zeng, J. Cheng, S. Zheng, J. A. Golen, D. R. Manke, G. Zhang, J. Org. Chem., 2018, 83, 9442-9448.
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A recyclable cobalt(II)-terpyridine coordination polymer (CP) is a highly effective hydroboration precatalyst for reductions of ketones, aldehydes, and imines with pinacolborane (HBpin). A wide range of substrates containing polar C=O or C=N bonds have been hydroborated selectively in excellent yields under ambient conditions.
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CoCl2-terpyridine coordination polymer
G. Zhang, J. Wu, S. Li, S. Cass, S. Zheng, Org. Lett., 2018, 20, 7893-7897.