PROCESS FOR PRODUCING 1,1-DICHLORO-2,2,2-TRIFLUOROETHANE

Title:

PROCESS FOR PRODUCING 1,1-DICHLORO-2,2,2-TRIFLUOROETHANE

Document Type and Number:

WIPO Patent Application WO/1990/001474

Kind Code:

A1

Abstract:

The invention relates to a process for producing 1,1-dichloro-2,2,2-trifluoroethane, which comprises reacting 1,1,2-trichloro-2,2-difluoroethane (R122) and/or 1,1,2,2-tetrachloro-1-fluoroethane (R121) with HF in a liquid phase in the presence of antimony pentachloride. This process can depress production of an isomer, R123a, as a by-product.

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Inventors:

YONEDA HAJIME (JP)
TAKEI RUYTARO (JP)

Application Number:

PCT/JP1989/000803

Publication Date:

February 22, 1990

Filing Date:

August 04, 1989

Export Citation:

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Assignee:

ASAHI GLASS CO LTD (JP)

International Classes:

B01J27/10; C07B61/00; C07C17/00; C07C17/20; C07C19/08; C07C19/12; C07C67/00; (IPC1-7): C07C19/08; B01J27/10; C07B61/00; C07C17/20

Foreign References:

JPS5283402A	1977-07-12
JPS50106904A	1975-08-22
JPS493965B1	1974-01-29

Other References: