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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
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.

Information
URI:
https://eprints.hud.ac.uk/id/eprint/15000
URI:
https://eprints.hud.ac.uk/id/eprint/15000
URI:
https://eprints.hud.ac.uk/id/eprint/15000
URI:
https://eprints.hud.ac.uk/id/eprint/15000
URI:
https://eprints.hud.ac.uk/id/eprint/15000
URI:
https://eprints.hud.ac.uk/id/eprint/15000
Title:
A novel acylative ring cleavage of benzothieno[3,2-b]pyran-4-ols: application to the synthesis of dibenzothiophenes and fused-ring derivatives
Creators:
Gabbutt, Christopher D., Hepworth, John D., Heron, B. Mark and Thomas, Jean-Luc
Identification Number:
https://doi.org/10.1039/A900730J
Official URL:
http://dx.doi.org/10.1039/A900730J
Date:
June 1999
Subjects:
Q Science > Q Science (General)
Q Science > QD Chemistry
Schools:
School of Applied Sciences
Library
Item Type:
Article
Depositing User:
Sharon Beastall
Date Deposited:
20 Sep 2012 13:00
Revision:
13
Last Modified:
28 Aug 2021 11:21
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