PROCESSES FOR PRODUCING 1,1,1,2,3-PENTAFLUOROPROPENE AND PRODUCING 1,1,1,2,3-PENTAFLUOROPROPANE

WIPO Patent Application WO/1993/025510

A1

A process for producing 1,1,1,2,3-pentafluoropropene in a high yield from a readily available 1,1,1,2,3,3-hexafluoropropane industrially at a low cost, which process comprises bringing the gaseous hexafluoropropane into contact with active carbon optionally containing a metallic salt to effect dehydrofluorination. A process for producing 1,1,1,2,3-pentafluoropropane at a high conversion and a high selectivity, which comprises reducing 1,1,1,2,3-pentafluoropropene with hydrogen in the presence of either a hydrogenation catalyst comprising palladium and, added thereto, one or more metals selected from among silver, copper, gold, tellurium, zinc, chromium, molybdenum and thallium, or a rhodium catalyst.

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AOYAMA HIROKAZU (JP)
SEKI EIJI (JP)

PCT/JP1993/000661

December 23, 1993

May 19, 1993

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DAIKIN IND LTD (JP)
AOYAMA HIROKAZU (JP)
SEKI EIJI (JP)

B01J23/24; B01J23/26; B01J27/132; C07C15/08; C07C17/00; C07C17/25; C07C17/354; C07C19/08; C07C21/18; B01J21/18; B01J23/38; B01J23/60; B01J23/652; B01J23/89; (IPC1-7): C07C21/18; C07C17/34; C07C19/08; C07C17/00; B01J21/18; B01J21/10; B01J23/04; B01J23/06; B01J23/50

US3432562A	1969-03-11
JPS54130507A	1979-10-09
JPH02129131A	1990-05-17

See also references of EP 0644173A4

Osaka, Hiromu (4-11 Shibazaki-cho 2-chom, Tachikawa-shi Tokyo 190, JP)

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