Process for preparing alkylene episulfides and episelenides

Details Process for preparing alkylene episulfides and episelenides Process for preparing alkylene episulfides and episelenides

1979-10-29

1980-11-11

Randolph, John D.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

260239R, 549 1, 549 90, 204158R, C07D 32000

Patent

active

042331315

ABSTRACT:
A process for the preparation of alkylene episulfides or episelenides is provided which comprises contacting elemental sulfur or elemental selenium, respectively, with an olefin, preferably ethylene, while irradiating with electromagnetic radiation in the infrared to ultraviolet range. The alkylene episulfides and episelenides are useful in the production of a variety of functional polymers.

REFERENCES:
patent: 2237096 (1941-04-01), Dearborn
patent: 3616374 (1971-10-01), Goshorn et al.
patent: 3616375 (1971-10-01), Inoue
patent: 4029558 (1977-06-01), Marling
patent: 4029559 (1967-06-01), Marling

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