Process for treating amides

Details Process for treating amides Process for treating amides

1991-07-03

1993-07-13

Bascomb, Jr., Wilbur

Distillation: processes, separatory

With chemical reaction

Including step of adding catalyst or reacting material

203 34, 203 35, 203 38, 540485, 540540, B01D 334, C07D20116

Patent

active

052270289

ABSTRACT:
A process of treating a ketoxime or aldoxime-containing amide mixture resulting from a Beckmann rearrangement of the corresponding ketoxime or aldoxime. The process involves hydrolysis of the mixture to remove the remaining ketoxime or aldoxime which are converted to the corresponding ketone or aldehyde and then separated off from the mixture. Any amino acid resulting from the hydrolysis can be reconverted to the corresponding amide by raising the temperature of the mixture.

REFERENCES:
patent: 3016376 (1962-01-01), Francis
patent: 3248388 (1966-04-01), Wintersberger et al.
patent: 3288687 (1966-11-01), Zimmerli et al.
patent: 4349520 (1982-09-01), Bonfield et al.
"Aliphatic Compounds", vol. 63, 1965, Col. 1709, Section C.
Chemical Abstracts, vol. 93, 1980, Section 93 150693n, p. 2.

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