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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. and Hursthouse, Michael B. (1999) Synthesis and reactivity of some 3,4-dibromo-2H-[1]benzopyrans: The generation and reactions of 3,4-didehydro-2H-[1]benzopyran. Tetrahedron, 55 (34). pp. 10467-10480. ISSN 0040-4020

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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.

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: 25 Sep 2012 09:34
Last Modified: 18 Oct 2012 10:49
URI: http://eprints.hud.ac.uk/id/eprint/15033

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