Isotopic Investigation of Hydrogen Transfer Related to Cobalt-Catalyzed Free-Radical Chain Transfer

1996 ◽  
Vol 15 (24) ◽  
pp. 5116-5126 ◽  
Author(s):  
Alexei A. Gridnev ◽  
Steven D. Ittel ◽  
Bradford B. Wayland ◽  
Michael Fryd
Nature ◽  
1964 ◽  
Vol 202 (4933) ◽  
pp. 690-691 ◽  
Author(s):  
JAY K. KOCHI ◽  
DENNIS D. DAVIS

1957 ◽  
Vol 35 (12) ◽  
pp. 1467-1474 ◽  
Author(s):  
L. J. Gendron ◽  
R. V. V. Nicholls

Butadiene was dimerized by using acetyl peroxide as source of free radicals and chloroform as solvent and chain-transfer agent. The dimers were identified and their structures were determined by means of ozonolysis and oxidative hydrolysis. It was established that two dimers were produced in nearly equal amount. One dimer was formed only by 1,4-additions, the other only by 1,2-additions. This result implies that polybutadienes may be mixtures of two varieties: one variety resulting from 1,4-additions, the other from 1,2-additions.


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