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Issue 2, 2019
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A facile and efficient [4 + 2] annulation reaction of sulfur ylides: access to N-fused benzimidazoles

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Abstract

A facile and efficient approach to synthesize a series of new N-fused benzimidazoles in good yield is reported for the first time using the [4 + 2] cascade cycloaddition of 2-substituted benzimidazole derivatives and a bromoethylsulfonium salt, which is easily prepared on a large scale and is stably crystalline, under mild reaction conditions.

Graphical abstract: A facile and efficient [4 + 2] annulation reaction of sulfur ylides: access to N-fused benzimidazoles

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Article information


Submitted
19 Oct 2018
Accepted
28 Nov 2018
First published
07 Dec 2018

Org. Chem. Front., 2019,6, 205-208
Article type
Research Article

A facile and efficient [4 + 2] annulation reaction of sulfur ylides: access to N-fused benzimidazoles

H. Qin, Y. Miao, J. Xu, Q. Bi, W. Qu, W. Liu, F. Feng and H. Sun, Org. Chem. Front., 2019, 6, 205
DOI: 10.1039/C8QO01133H

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