Effect of high pressure on the [2 + 2] cycloaddition of difluoroallene and (Z)-.beta.-deuteriostyrene
β Scribed by Dolbier, William R.; Weaver, Sarah L.
- Book ID
- 127197864
- Publisher
- American Chemical Society
- Year
- 1990
- Tongue
- English
- Weight
- 742 KB
- Volume
- 55
- Category
- Article
- ISSN
- 0022-3263
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π SIMILAR VOLUMES
## Consistent with our hypothesis for a mechanism involving two kinetically-distinct diradical intermediates, the observed effects of styrene a-substituents can be explained as deriving either from steric effects or radical stabilizing effects.
## Abstract The pressure dependence of the (2 + 2) cycloaddition of cyclopropanone diethyl acetal to tetracyanoethylene in methylene chloride and acetonitrile has been studied. The reaction is about ten times faster in the less polar methylene chloride in the pressure range 1β2000 atm. The volume o