Conjugate addition of a phosphorus ylide to 3-cyanochromone

Gabbutt, Christopher D., Heron, B. Mark, Hursthouse, Michael B. and Abdul Malik, K. M. (2000) Conjugate addition of a phosphorus ylide to 3-cyanochromone. Phosphorus, Sulfur, and Silicon and the Related Elements, 166 (1). pp. 99-109. ISSN 1042-6507

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Abstract

Reaction of 3-cyanochromone with methylenetriphenylphosphorane yields the stabilized ylide (4) by way of a conjugate addition and subsequent ring opening. Variable temperature 1H NMR spectroscopy indicates that this ylide undergoes rapid conformational interconversion at ambient temperature. X-ray crystallography established that (4) exists as the (E) isomer in the solid state.

Item Type:	Article
Subjects:	Q Science > Q Science (General) Q Science > QD Chemistry
Schools:	School of Applied Sciences
Related URLs:	Author Author
Depositing User:	Sharon Beastall
Date Deposited:	25 Sep 2012 09:19
Last Modified:	18 Oct 2012 09:48
URI:	http://eprints.hud.ac.uk/id/eprint/15041

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