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Visible light promoted coupling of alkynyl bromides and Hantzsch esters for the synthesis of internal alkynes

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Abstract

A metal-free visible light promoted C(sp3)–C(sp) coupling reaction of alkynyl bromides and Hantzsch esters was developed, giving internal alkynes with primary, secondary, tertiary alkyl or other functional groups in good to high yields.

Graphical abstract: Visible light promoted coupling of alkynyl bromides and Hantzsch esters for the synthesis of internal alkynes

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Publication details

The article was received on 22 Nov 2018, accepted on 03 Dec 2018 and first published on 04 Dec 2018


Article type: Paper
DOI: 10.1039/C8OB02912A
Citation: Org. Biomol. Chem., 2019, Advance Article
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    Visible light promoted coupling of alkynyl bromides and Hantzsch esters for the synthesis of internal alkynes

    Z. Song, C. Zhang and S. Ye, Org. Biomol. Chem., 2019, Advance Article , DOI: 10.1039/C8OB02912A

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