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Markovnikov-Selective Hydroboration of Vinylarenes Catalyzed by a Cobalt(II) Coordination Polymer

Guoqi Zhang*, Jing Wu, Sihan Li, Sean Cass, Shengping Zheng

*Department of Sciences, John Jay College and Ph.D. Program in Chemistry, The Graduate Center of the City University of New York, New York, New York 10019, United States, Email: guzhangjjay.cuny.edu

G. Zhang, J. Wu, S. Li, S. Cass, S. Zheng, Org. Lett., 2018, 20, 7893-7897.

DOI: 10.1021/acs.orglett.8b03431 (free Supporting Information)



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Abstract

An inexpensive and air-stable cobalt(II) coordination polymer catalyzes a highly efficient and practical hydroboration of alkenes in the presence of KOtBu within minutes with low catalyst loading. For a range of vinylarenes, unusual Markovnikov selectivity was observed.

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CoCl2-terpyridine coordination polymer



Cobalt(II) Coordination Polymer as a Precatalyst for Selective Hydroboration of Aldehydes, Ketones, and Imines

J. Wu, H. Zeng, J. Cheng, S. Zheng, J. A. Golen, D. R. Manke, G. Zhang, J. Org. Chem., 2018, 83, 9442-9448.


Key Words

benzylboronates


ID: J54-Y2018