Process for the preparation of 1,1,1-trifluoro-2,2-dichloroethan

Details Process for the preparation of 1,1,1-trifluoro-2,2-dichloroethan Process for the preparation of 1,1,1-trifluoro-2,2-dichloroethan

1993-11-29

1995-05-09

Siegel, Alan

Organic compounds -- part of the class 532-570 series

Organic compounds

Halogen containing

570123, C07C 1908

Patent

active

054141664

ABSTRACT:
This specification discloses a process for the preparation of 1,1,1-trifluoro-2,2-dichloroethane in which chlorination of 1,1,1-trifluoro-2-chloroethane is carried out in the presence of activated carbon by feeding chlorine and hydrogen into a reactor simultaneously or sequentially, thereby enhancing the selectivity to 1,1,1-trifluoro-2,2-dichloroethane without lowering the conversion of 1,1,1-trifluoro-2-chloroethane.

REFERENCES:
patent: 4060469 (1977-11-01), Sweeney et al.
patent: 5120883 (1992-06-01), Rao et al.
patent: 5132473 (1992-07-01), Furutaka et al.

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