Recycling catalyst in preparation of dimethylformamide from dime

Details Recycling catalyst in preparation of dimethylformamide from dime Recycling catalyst in preparation of dimethylformamide from dime

1980-12-17

1981-11-24

Demers, Arthur P.

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

Organic compounds

Amino nitrogen containing

C07C10200

Patent

active

043025986

ABSTRACT:
The alkali metal methylate catalyst used in the preparation of dimethylformamide from dimethylamine and carbon monoxide can be preserved, recycled and reused if the reaction mass contains dimethylamine in excess of the stoichiometric amount at all times.

REFERENCES:
patent: 1787438 (1931-01-01), Lacy
patent: 2793211 (1957-05-01), Lo Cicero et al.
patent: 2866822 (1958-12-01), Siefen et al.
patent: 3781352 (1973-12-01), Hawthorne et al.
patent: 3922304 (1975-11-01), Schreyer et al.
patent: 4098820 (1978-07-01), Couteau et al.
patent: 4140716 (1979-02-01), Malender et al.

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