Synthesis and reactivity of some 3,4-dibromo-2H[1]benzopyrans: The generation and reactions of 3,4-didehydro-2H-[1]benzopyran

Christopher D. Gabbutt, John D. Hepworth, B. Mark Heron, Md Moshfiqur Rahman, Simon J. Coles, Michael B. Hursthouse

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Reaction of 3,4-dibromo-2,2,6,8-tetramethyl-2H-[1]benzopyran with either organolithium reagents or magnesium generates the novel strained alkyne, 3,4- didehydro-2H-[1]benzopyran. Cycloaddition with furans gives access to the dibenzo[b,d]pyran system.

LanguageEnglish
Pages10467-10480
Number of pages14
JournalTetrahedron
Volume55
Issue number34
DOIs
Publication statusPublished - 20 Aug 1999
Externally publishedYes

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Benzopyrans
Furans
Pyrans
Alkynes
Cycloaddition
Cycloaddition Reaction
Magnesium

Cite this

Gabbutt, Christopher D. ; Hepworth, John D. ; Heron, B. Mark ; Rahman, Md Moshfiqur ; Coles, Simon J. ; Hursthouse, Michael B. / Synthesis and reactivity of some 3,4-dibromo-2H[1]benzopyrans : The generation and reactions of 3,4-didehydro-2H-[1]benzopyran. In: Tetrahedron. 1999 ; Vol. 55, No. 34. pp. 10467-10480.
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Synthesis and reactivity of some 3,4-dibromo-2H[1]benzopyrans : The generation and reactions of 3,4-didehydro-2H-[1]benzopyran. / Gabbutt, Christopher D.; Hepworth, John D.; Heron, B. Mark; Rahman, Md Moshfiqur; Coles, Simon J.; Hursthouse, Michael B.

In: Tetrahedron, Vol. 55, No. 34, 20.08.1999, p. 10467-10480.

Research output: Contribution to journalArticle

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