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Reactivity of perfluoro-n-alkyl radicals with reluctant substrates. Rates of addition to RFCH2CH=CH2 and RFCH=CH2

✍ Scribed by Bruno Delest; Alexander B. Shtarev; William R. Dolbier Jr.

Publisher: Elsevier Science
Year: 1998
Tongue: French
Weight: 363 KB
Volume: 54
Category: Article
ISSN: 0040-4020
DOI: 10.1016/s0040-4020(98)00568-7

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✦ Synopsis

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 CH2--CHCH2CtF9 [ 1.15 + 0. l 1) x 106 M~s ~] and to CH2--CI-ICoU9 [2.6 5: 0.2) x 105 Mls "1] at 25 °C.

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