This article is cited in 4 papers

Stability of PhCH₂CH₂ĊHX (X = H, CF₃, Me, CO₂Me) Radicals

R. G. Gasanov, T. T. Vasil'eva, S. I. Gapusenko, Yu. A. Borisov

A.N. Nesmeyanov Institute of Organoelement Compounds of Russian Academy of Sciences, Moscow, Russian Federation

Abstract: Using EPR spectroscopy, β-fragmentation of the radicals PhCH₂CH₂ĊHX (R¹, X = H; R², X = CF₃; R³, X = Me; R⁴ X = CO₂Me) accompanied by C—C bond cleavage has been found and studied, and the activation energy of this reaction has been calculated, thus permitting us to determine the rate constants for fragmentation of R¹ (k_3a = 3.9( ± 0.2) × 10⁴ s⁻¹, R² (k_3b = 6.5( ± 0.4) × 10³ s⁻¹ and to evaluate the value of this rate constants for radical R³ and R⁴ (k₃ = 10² s⁻¹) at 22 °C.

Language: English

DOI: 10.1070/MC1991v001n03ABEH000068

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