Combination and disproportionation reactions of the CH<sub>3</sub>CH — N — NC<sub>2</sub>H<sub>5</sub>radical
作者:Miklós Görgényi、László Seres
DOI:10.1039/ft9918701827
日期:——
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(Ċ2H5, 1N)≈ 0.38 (Δ=kd/kc) and the rate constant ratio kb(ĊH3, 1N)/kc(ĊH3, 1C)= 0.15 ± 0.03. The cross-combination ratio ϕ(ĊH3, 1C)= 1.38 ± 0.11, which is lower than the cross-reaction
在偶氮乙烷的二叔丁基过氧化物引发和热分解中生成了自由基CH 3 CH [未作图] N [未作图] NC 2 H 5(1)。的自组合1在碳自由基中心(发生几乎完全1C)。歧化:合成比率Δ(C 2 H ^ 5,1N)≈0.38(Δ= ķ d / ķ Ç)和速率常数比ķ b(CH 3,1N)/ ķ Ç(CH 3,1C)= 0.15±0.03。交叉组合比率φ(CH 3,1C)= 1.38±0.11,这比交叉反应率较低的φ *(CH 3,1)≈2.5。