Separation of aldehydes from ketones via acid-catalyzed cyclotri

Details Separation of aldehydes from ketones via acid-catalyzed cyclotri Separation of aldehydes from ketones via acid-catalyzed cyclotri

1987-03-13

1987-10-20

Lone, Werren B.

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

Organic compounds

Oxygen containing

568340, 568410, C07C 4578

Patent

active

047015616

ABSTRACT:
This invention is directed to the discovery that a mixture of aldehydes and ketones where the boiling points of the aldehyde and the ketone are very close can be easily separated through the acid-catalyzed cyclotrimerization of the aldehyde and the subsequent distillation of the ketone and unreacted aldehyde from the reaction mixture. The trimerized aldehyde is cracked back to the starting aldehyde in high purity at elevated temperatures in the presence of an acid catalyst.

REFERENCES:
patent: 4523038 (1985-06-01), Scott

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