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- W43609854 abstract "The competition between the substitutive chlorination of 1,1-dichloroethane and the additive chlorination of chlorobenzene under photoinitiation conditions with wide variation of the temperature (248-323/degree/K), the chlorine concentration (O-1.23 M), and the ratio of the competitors was investigated. The fraction of the substitutive chlorination of 1,1-dichloroethane increases with increase in the temperature and the (CH/sub 3/CHCl/sub 2/)/(C/sub 6/H/sub 5/Cl) ratio and with decrease in the concentration of molecular chlorine. The results were interpreted by a free-radical mechanism of chlorination involving the formation of /pi/ complexes between the chlorine atoms and the chlorobenzene molecules ArH /yields/ /dot char/Cl and rearrangement of the latter into /sigma/ complexes. On the basis of the proposed mechanism an equation was obtained for the selectivity of the chlorination of the system with parameters reflecting the complexing characteristics of the aromatic solvent. A comparative analysis of these parameters for chlorobenzene and o-dichlorobenzene in terms of the structure of these solvents is given." @default.
- W43609854 created "2016-06-24" @default.
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- W43609854 date "1988-04-20" @default.
- W43609854 modified "2023-09-25" @default.
- W43609854 title "Competing chlorination of 1,1-dichloroethane and chlorobenzene" @default.
- W43609854 hasPublicationYear "1988" @default.
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