Catalytic system for epoxidation of alkenes

Details Catalytic system for epoxidation of alkenes Catalytic system for epoxidation of alkenes

1989-08-31

1991-02-19

Raymond, Richard L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D30110

Patent

active

049945890

ABSTRACT:
A process is provided for epoxidation of an alkene in the presence of an oxygen-containing gas which comprises contacting the alkene and the oxygen-containing gas under epoxidation conditions in the presence of at least one gaseous efficiency-enhancing member of a redox-half reaction pair and a supported silver catalyst, the catalyst comprising a catalytically effective amount of silver on a solid porous support having a stability-enhancing morphology and an efficiency-enhancing amount of at least one efficiency-enhancing salt of a member of a redox-half reaction pair, the support having a surface area of at least about 0.7 m.sup.2 /g and a particulate matrix which contains particles having at least one substantially flat major surface.

REFERENCES:
patent: 3990507 (1976-04-01), Boreskov et al.
patent: 4379134 (1983-04-01), Weber et al.

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