Preparation of water-immiscible, acid-soluble N-(aminomethyl)-.a

Details Preparation of water-immiscible, acid-soluble N-(aminomethyl)-.a Preparation of water-immiscible, acid-soluble N-(aminomethyl)-.a

1979-12-26

1981-10-27

Michl, Paul R.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 296WQ, 526307, 564204, C08L 3324

Patent

active

042972566

ABSTRACT:
Water-immiscible, acid-soluble N-(aminomethyl)-.alpha.,.beta.-ethylenically unsaturated carboxamides such as N-(diethylaminomethyl)acrylamide are readily prepared by (1) reacting under acidic conditions a carboxamide such as acrylamide with a lower aldehyde such as formaldehyde and a moderately water-soluble secondary amine such as diethylamine and (2) recovering the resulting water-immiscible aminomethyl derivative of carboxamide from the acidic reaction mixture by adjusting the pH of the reaction mixture to a value of 7 or higher, whereby the water-immiscible derivative separates from the reaction mixture.

REFERENCES:
patent: 3178385 (1965-04-01), Dinges
patent: 3349121 (1967-10-01), Muller
patent: 4049606 (1977-09-01), Hunter
patent: 4179424 (1979-12-01), Phillips

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