Issue 23, 2004
From the journal:

Organic & Biomolecular Chemistry

Determination of the rate constant for ring opening of an α-cyclopropylvinyl radical

Kaarina K. Milnes,a   Stephen E. Gottschlinga  and  Kim M. Baines*a  

* Corresponding authors

a Department of Chemistry, University of Western Ontario, London, Ontario, Canada
E-mail: kbaines2@uwo.ca

Abstract

The rate constant for ring opening of the 1-(trans-2-phenylcyclopropyl)ethen-1-yl radical, 4, generated by photolysis of the corresponding vinyl iodide 2, is reported. The value of the rate constant was determined by the tin hydride method and was found to be (1.6 ± 0.2) × 1010 s−1, one order of magnitude smaller than the rate constant for rearrangement of the trans-2-phenylcyclopropylcarbinyl radical.

Graphical abstract: Determination of the rate constant for ring opening of an α-cyclopropylvinyl radical

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Article information

DOI
https://doi.org/10.1039/B412676A
Article type
Paper
Submitted
16 Aug 2004
Accepted
29 Sep 2004
First published
05 Nov 2004

Org. Biomol. Chem., 2004,2, 3530-3534

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Determination of the rate constant for ring opening of an α-cyclopropylvinyl radical

K. K. Milnes, S. E. Gottschling and K. M. Baines, Org. Biomol. Chem., 2004, 2, 3530 DOI: 10.1039/B412676A

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