Journal of Fluorine Chemistry p. 1 - 20 (1982)
Update date:2022-08-11
Topics:
Gervasutti, C.
Marangoni, L.
Marra, W.
1,1,1,2-tetrafluoroethane was prepared from isomeric mixtures of dichlorotetrafluoroethanes through selective hydrogenolysis of CF3-CCl2F catalyzed by Pd/C.The other isomer CClF2-CClF2 appeared more stable to hydrogenolysis and was only converted partially to the monohydrogenated derivative CHF2-CClF2.The influences of the three most important operating parameters were defined on the basis of a statistical testing program.The mathematical elaboration of the experimental data allowed definition of the relationships by which it is possible to foresee conversion of CF3-CCl2F, yield of CF3-CH2F and concentration of reaction products, such as CF3-CH3, CF3-CH2F, CF3-CHClF and CClF2-CHF2 in terms of the above parameters.
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