Selectivities in the addition of radicals generated from derivatives of 2-bromomalonic acid to alkene pairs
β Scribed by Gleicher, Gerald Jay; Mahiou, Belaid; Aretakis, Alex J.
- Book ID
- 126249931
- Publisher
- American Chemical Society
- Year
- 1989
- Tongue
- English
- Weight
- 526 KB
- Volume
- 54
- Category
- Article
- ISSN
- 0022-3263
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Absolute rate constants for the addition of the 2-cyano-2-propyl radical to 26 alkenes CH2 = CXY at 315 K were determined in solution by time-resolved electron-spin-resonance spectroscopy. They vary with the alkene substituents from 30 M-' s-l to 7'010 M-' s-'. For styrene the temperature dependence
Absolute rate constants for the addition of the 2-hydroxy-2-propyl radical to 18 substituted alkenes (CH2 = C X Y ) were determined at (296 -+ 1) Kin 2-propanol by time-resolved electronspin-resonance spectroscopy. With alkene substitution the rate constants vary by more than 6 orders of magnitude.