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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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Publication details

The article was received on 19 Oct 2018, accepted on 28 Nov 2018 and first published on 07 Dec 2018


Article type: Research Article
DOI: 10.1039/C8QO01133H
Citation: Org. Chem. Front., 2019, Advance Article
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    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, Advance Article , DOI: 10.1039/C8QO01133H

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