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