Photochemical epoxidation

Details Photochemical epoxidation Photochemical epoxidation

1981-09-21

1983-05-17

Sebastian, Leland A.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

C07C 324

Patent

active

043839045

ABSTRACT:
This invention provides a process for photochemical epoxidation of olefins with molecular oxygen in a liquid phase with irradiation in the presence of a combination of 1,2-diketone photosensitizers.
Propylene can be converted to propylene oxide by reaction with molecular oxygen in an ortho-dichlorobenzene reaction medium in the presence of 2,3-butanedione and 1-phenyl-1,2-propanedione photosensitizers, at a space time yield rate of at least 15 grams per liter hour.

REFERENCES:
patent: 4345984 (1982-08-01), Mihelich

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