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Issue 42, 2017
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Transition-metal-free PhI(OAc)2-promoted highly selective hydroboration of terminal alkynes under air

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Abstract

A new transition-metal-free PhI(OAc)2-promoted hydroboration reaction of terminal alkynes with bis(pinacolato)diboron has been developed at room temperature under air. A series of vinyl boronates could be conveniently and efficiently obtained in moderate to good yields with good regioselectivity and stereoselectivity as well as favorable functional group tolerance. The key I–B intermediates were first demonstrated in the present reaction system that explains the proposed mechanism.

Graphical abstract: Transition-metal-free PhI(OAc)2-promoted highly selective hydroboration of terminal alkynes under air

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Supplementary files

Article information


Submitted
30 Mar 2017
Accepted
08 May 2017
First published
16 May 2017

This article is Open Access

RSC Adv., 2017,7, 26070-26073
Article type
Paper

Transition-metal-free PhI(OAc)2-promoted highly selective hydroboration of terminal alkynes under air

S. Chen, L. Yang, D. Yi, Q. Fu, Z. Zhang, W. Liang, Q. Zhang, J. Ji and W. Wei, RSC Adv., 2017, 7, 26070
DOI: 10.1039/C7RA03680A

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