Acetal purification with superoxides

Details Acetal purification with superoxides Acetal purification with superoxides

1982-11-03

1985-04-23

Love, Ethel G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549347, 549369, 549430, 568596, 568598, 568600, 568603, C07D32306

Patent

active

045131449

ABSTRACT:
Trioxane and other acetals are purified by contacting with an alkali metal superoxide, then isolated in a purified form. Optionally, a phase transfer catalyst can be utilized in the purification. Recovered acetals are sufficiently pure for polymerization to high molecular weight.

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patent: 3607882 (1971-09-01), Wenger
patent: 4026873 (1977-05-01), Iguchi
patent: 4183862 (1980-01-01), Steiner
patent: 4332644 (1982-06-01), Hamanaka et al.
patent: 4423238 (1983-12-01), Fenton

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