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À propos de : Use of Gas-Phase 1H NMR to Determine the Kinetics ofUnimolecular Rearrangement of2,2-Dichloro-1-methylenecyclopropane and the BimolecularDimerization of (Dichloromethylene)cyclopropane        

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  • Use of Gas-Phase 1H NMR to Determine the Kinetics ofUnimolecular Rearrangement of2,2-Dichloro-1-methylenecyclopropane and the BimolecularDimerization of (Dichloromethylene)cyclopropane
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  • Gas-phase 1H NMR analysis has been applied to investigate the kinetics of the unimolecularrearrangement of 2,2-dichloro-1-methylenecyclopropane (1) to (dichloromethylene)cyclopropane (2)[k1 = 7.9 × 1012 exp(−34.4 ± 0.6 kcal mol-1/RT)], as well as for the subsequent second-orderdimerization of 2 [k2 = 2.4 × 106 exp(−18.5 ± 1.1 kcal mol-1/RT)] to form 7,7,8,8-tetrachlorodispiro[2.0.2.2]octane (3)
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