Issue 20, 2020
From the journal:

Chemical Communications

Synthesis of tetrasubstituted thiophenes via a [3+2] cascade cyclization reaction of pyridinium 1,4-zwitterionic thiolates and activated allenes†

Shengxian Zhai,‡a   Xinping Zhang,‡bc   Bin Cheng, ORCID logo *abc   Hui Li,bc   Yuntong Li,c   Yixuan He,bc   Yun Li, ORCID logo c   Taimin Wang*b  and  Hongbin Zhai*abcd  

* Corresponding authors

a College of Chemistry and Environmental Engineering, Anyang Institute of Technology, Anyang 455000, China

b Institute of Marine Biomedicine, Shenzhen Polytechnic, Shenzhen 518055, China
E-mail: chengbin@szpt.edu.cn

c State Key Laboratory of Applied Organic Chemistry, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, China

d State Key Laboratory of Chemical Oncogenomics, Shenzhen Engineering Laboratory of Nano Drug Slow-Release, Peking University Shenzhen Graduate School, Shenzhen 518055, China
E-mail: zhaihb@pkusz.edu.cn

Abstract

A [3+2] cascade cyclization reaction of pyridinium 1,4-zwitterionic thiolates and activated allenes has been developed, which allows facile access to a library of tetrasubstituted thiophenes with great variety under thermal conditions.

Graphical abstract: Synthesis of tetrasubstituted thiophenes via a [3+2] cascade cyclization reaction of pyridinium 1,4-zwitterionic thiolates and activated allenes

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Article information

DOI
https://doi.org/10.1039/D0CC00262C
Article type
Communication
Submitted
13 Jan 2020
Accepted
05 Feb 2020
First published
07 Feb 2020

Chem. Commun., 2020,56, 3085-3088

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Synthesis of tetrasubstituted thiophenes via a [3+2] cascade cyclization reaction of pyridinium 1,4-zwitterionic thiolates and activated allenes

S. Zhai, X. Zhang, B. Cheng, H. Li, Y. Li, Y. He, Y. Li, T. Wang and H. Zhai, Chem. Commun., 2020, 56, 3085 DOI: 10.1039/D0CC00262C

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