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.

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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:

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

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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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