Issue 45, 2016
From the journal:

Chemical Communications

Visible-light photoredox synthesis of internal alkynes containing quaternary carbons†

Chang Gao,ab   Jingjing Li,a   Jipan Yu,a   Haijun Yanga  and  Hua Fu*ab  

* Corresponding authors

a Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, P. R. China
E-mail: fuhua@mail.tsinghua.edu.cn
Fax: +86 10 62781695

b Key Laboratory of Chemical Biology (Guangdong Province), Graduate School of Shenzhen, Tsinghua University, Shenzhen 518057, P. R. China

Abstract

A novel and efficient visible-light photoredox method for the synthesis of internal alkynes containing quaternary carbons has been developed via coupling reactions of N-phthalimidoyl oxalates of tert-alcohols with 1-(2-(arylsulfonyl)ethynyl)benzenes. The reactions proceeded well at room temperature with good functional group tolerability.

Graphical abstract: Visible-light photoredox synthesis of internal alkynes containing quaternary carbons

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Article information

DOI
https://doi.org/10.1039/C6CC01632D
Article type
Communication
Submitted
23 Feb 2016
Accepted
06 May 2016
First published
06 May 2016

Chem. Commun., 2016,52, 7292-7294

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Visible-light photoredox synthesis of internal alkynes containing quaternary carbons

C. Gao, J. Li, J. Yu, H. Yang and H. Fu, Chem. Commun., 2016, 52, 7292 DOI: 10.1039/C6CC01632D

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