Combination and Disproportionation Reactions of the Radical

Article abstract of DOI:10.1039/ft9918701827

The radical (1) was produced in the di-tert-butyl peroxide-initiated and thermal decompositions of azoethane.Self-combination of 1 takes place almost exclusively at the carbon radical centre (1C).The disproportionation: combination ratio Δ(C2H5^., 1N) ca. 0.38 (Δ = k_d/k_c) and the rate constant ratio k_d(CH3^., 1N)/k_c(CH3^., 1C) = 0.15 +/- 0.03.The cross-combination ratio Φ(CH3^., 1C) = 1.38 +/- 0.11, which is lower than the cross-reaction ration Φ^*(CH3^., 1) ca. 2.5.

Full text of DOI:10.1039/ft9918701827

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