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

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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


Submitted
13 Jan 2020
Accepted
05 Feb 2020
First published
07 Feb 2020

Chem. Commun., 2020, Advance Article
Article type
Communication

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, Advance Article , DOI: 10.1039/D0CC00262C

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