The photochemical reaction of cerium(IV) ammonium nitrate (CAN) in acetonitrile with cyclohexene, I-octene and a series of styrene derivatives leads to the formation of 1,2--dlnitrate adducts in high yields. The reaction takes place by the intermediacy of the nitrate radical which forms in the photo
Correlation between copolymerization reactivity ratios and rates of radical additions to alkenes
β Scribed by B. Giese; J. Meixner
- Publisher
- Springer
- Year
- 1980
- Tongue
- English
- Weight
- 142 KB
- Volume
- 2
- Category
- Article
- ISSN
- 0170-0839
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Absolute rate constants and thzir temperature dependence were determined by time-resolved electron spin resonance for the addition of the radicals PhcH, and PhcMe, to a variety of alkenes in toluene solution. To vinyl monomers CH,=CXY, PhCH, adds at the unsubstituted C-atom with rate constants rangi
Conditions for conducting competitive experiments involving slow reactions of perfluomalkyl radicals have been defined. A revised value for the rate constant for hydrogen abstraction from Et3SiI-I is reported [(5.0 5:0.4) x l0 s MJsl], as are the rate constants for addition of the n-C,Fg" radical to