L. Seres et al., COMBINATIONS OF ALKYL RADICALS WITH ALKYL AND SUBSTITUTED ALLYL RADICALS, Reaction kinetics and catalysis letters, 48(2), 1992, pp. 635-639
In contrast with expectations based upon simple collision theory, reac
tions of alkyl radicals with substituted allyl radicals yield cross-co
mbination ratios of phi = 2. Reactions of CH3. with some C5 radicals g
ive phi > 2, in accordance with theory.