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A novel acylative ring cleavage of benzothieno[3,2-b]pyran-4-ols: application to the synthesis of dibenzothiophenes and fused-ring derivatives

Gabbutt, Christopher D., Hepworth, John D., Heron, B. Mark and Thomas, Jean-Luc (1999) A novel acylative ring cleavage of benzothieno[3,2-b]pyran-4-ols: application to the synthesis of dibenzothiophenes and fused-ring derivatives. Chemical Communications (6). pp. 541-542. ISSN 1359-7345

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Abstract

The benzothienopyranols 3, readily available from the ketone 1, are transformed to the carbamates 5 on treatment with N,N-dimethylcarbamoyl chloride, subsequent thermal electrocyclisation provides access to dibenzothiophene derivatives 6 and 11–13.

Item Type: Article
Subjects: Q Science > Q Science (General)
Q Science > QD Chemistry
Schools: School of Applied Sciences
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Depositing User: Sharon Beastall
Date Deposited: 20 Sep 2012 14:00
Last Modified: 18 Oct 2012 10:49
URI: http://eprints.hud.ac.uk/id/eprint/15000

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