Process for manufacturing N-acyliminodiacetic acids

Details Process for manufacturing N-acyliminodiacetic acids Process for manufacturing N-acyliminodiacetic acids

1983-03-17

1985-08-06

Sneed, Helen M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2604045, 560153, 560171, 562423, 562518, 562571, 556134, C09F 500, C09F 700, C11C 300

Patent

active

045335001

ABSTRACT:
N-acyliminodiacetic acids are manufactured by reacting formaldehyde or a formaldehyde generator compound with a N-unsubstituted amide or a generator thereof and with carbon monoxide in contact with a carbonylation catalyst, for example, a cobalt compound, the ratio of the aldehyde groups to the amide groups being at least 2:1. The formaldehyde generator can be a polymeric form of formaldehyde and the amide generator can be a carboxylic ester, acid or anhydride.

REFERENCES:
patent: 3260745 (1966-07-01), Andress, Jr. et al.
patent: 3766266 (1973-10-01), Wakamatsu et al.
patent: 3904668 (1975-09-01), Gaudette et al.
patent: 4264515 (1981-04-01), Stern et al.

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