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

Christopher D. Gabbutt; John D. Hepworth; B. Mark Heron; Jean Luc Thomas

doi:10.1039/a900730j

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

Christopher D. Gabbutt, John D. Hepworth, B. Mark Heron, Jean Luc Thomas

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

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.

Original language	English
Pages (from-to)	541-542
Number of pages	2
Journal	Chemical Communications
Issue number	6
DOIs	https://doi.org/10.1039/a900730j
Publication status	Published - 21 Mar 1999
Externally published	Yes

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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",

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.",

author = "Gabbutt, {Christopher D.} and Hepworth, {John D.} and Heron, {B. Mark} and Thomas, {Jean Luc}",

year = "1999",

month = mar,

day = "21",

doi = "10.1039/a900730j",

language = "English",

pages = "541--542",

journal = "Chemical Communications",

issn = "1359-7345",

publisher = "Royal Society of Chemistry",

number = "6",

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T1 - A novel acylative ring cleavage of benzothieno[3,2-b]pyran-4-ols

T2 - Application to the synthesis of dibenzothiophenes and fused-ring derivatives

AU - Gabbutt, Christopher D.

AU - Hepworth, John D.

AU - Heron, B. Mark

AU - Thomas, Jean Luc

PY - 1999/3/21

Y1 - 1999/3/21

N2 - 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.

AB - 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.

UR - http://www.scopus.com/inward/record.url?scp=0033590769&partnerID=8YFLogxK

U2 - 10.1039/a900730j

DO - 10.1039/a900730j

M3 - Article

AN - SCOPUS:0033590769

SP - 541

EP - 542

JO - Chemical Communications

JF - Chemical Communications

SN - 1359-7345

IS - 6

ER -

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

Abstract

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