Process for the reduction of the ketene trimer content in raw di

Details Process for the reduction of the ketene trimer content in raw di Process for the reduction of the ketene trimer content in raw di

1988-04-05

1989-02-28

Reamer, James H.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D30300

Patent

active

048087351

ABSTRACT:
Process for the reduction of the ketene trimer portion in raw diketene by mixing of the diketene with water, an alcohol, a phenol or a carboxylic acid, and heating the mixture to 50.degree. to 130.degree. C., and then distilling off the diketene.

REFERENCES:
patent: 2802872 (1957-08-01), Sturzenegger
patent: 2848496 (1958-08-01), Lacey
patent: 3000906 (1961-09-01), Hasek et al.
patent: 3271420 (1966-09-01), Zima
Hel. Chim. Acta., vol. 60, (1977), No. 100, pp. 975-977.

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