Issue 13, 2012
From the journal:

RSC Advances

Synthesis of 2,5-disubstituted thiophenesvia metal-free sulfur heterocyclization of 1,3-diynes with sodium hydrosulfide†

Jialiang Tanga  and  Xiaoming Zhao*ab  

* Corresponding authors

a Department of Chemistry, Tongji University, 1239 Siping Road, Shanghai, P.R. China
E-mail: xmzhao08@mail.tongji.edu.cn

b College of Environrmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, P.R. China

Abstract

Metal-free sulfur heterocyclization of various 1,3-diynes with sodium hydrosulfide under mild conditions has been realized. This method provides 2,5-disubsituted thiophenes in good to excellent yields.

Graphical abstract: Synthesis of 2,5-disubstituted thiophenes via metal-free sulfur heterocyclization of 1,3-diynes with sodium hydrosulfide

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Article information

DOI
https://doi.org/10.1039/C2RA20326J
Article type
Communication
Submitted
22 Feb 2012
Accepted
20 Apr 2012
First published
25 Apr 2012

RSC Adv., 2012,2, 5488-5490

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Synthesis of 2,5-disubstituted thiophenes via metal-free sulfur heterocyclization of 1,3-diynes with sodium hydrosulfide

J. Tang and X. Zhao, RSC Adv., 2012, 2, 5488 DOI: 10.1039/C2RA20326J

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