Process for producing N-substituted maleimides

Details Process for producing N-substituted maleimides Process for producing N-substituted maleimides

Filed on

1987-10-13

Date issued

1989-03-14

Examiner

Springer, David B.

Patent Class

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

SubClass

Organic compounds

SubSubClass

Heterocyclic carbon compounds containing a hetero ring...

Other Related Categories

548549, C07D207448, C07D207452

Type

Patent

Status

active

Patent number

048125792

Description

ABSTRACT:
A process for producing N-substituted maleimides which comprises heating maleic anhydride and an aromatic or aliphatic amine, or maleic acid monoamides obtained from them, in the presence of an ion exchange resin in an organic solvent to effect cyclodehydration.

REFERENCES:
patent: 3338919 (1967-08-01), Nield
J. Org. Chem., 24, 135-136 (1959) (Coleman et al.).
Org. Syth., vol. 5, 944-946 (1973).
Calmon et al. (Ed), Ion Exchangers in Organic and Biochemistry, Interscience, NY, NY (1957), pp. 658, 659 and 663-667.

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