Production of N-substituted (meth)acrylamides from (meth)acrylat

Details Production of N-substituted (meth)acrylamides from (meth)acrylat Production of N-substituted (meth)acrylamides from (meth)acrylat

1983-02-28

1985-01-08

Hines, Robert V.

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

Organic compounds

Amino nitrogen containing

544168, 544400, 546247, 564134, 564204, C07C10206, C07C10344

Patent

active

044928017

ABSTRACT:
A one-step process for the preparation of N-substituted (meth)acrylamides from the reaction of a (meth)acrylate ester and an amine over a catalytic amount of a metal alkoxide catalyst is described. These catalysts, such as stannous dimethoxide, lead dimethoxide, zinc dimethoxide, copper dimethoxide and bismuth tributoxide give high selectivity to the N-substituted (meth)acrylamides and little selectivity of the Michael adduct propionate ester, which would predominate in the absence of these catalysts. Also, these catalysts are less costly than organo metal catalysts commonly used.

REFERENCES:
patent: 3907893 (1975-09-01), Parker
patent: 4022831 (1977-05-01), Spoerke
patent: 4321411 (1982-03-01), Nakamura et al.
Kirk-Othmer, "Encyclopedia of Chemical Technology", vol. 20, pp. 451-453 (1969).

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