Method for making aromatic bis(etherimide)s

Details Method for making aromatic bis(etherimide)s Method for making aromatic bis(etherimide)s

1982-09-29

1984-08-21

Daus, Donald G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D20948

Patent

active

044670974

ABSTRACT:
A method is provided for making aromatic bis(etherimide)s by effecting reaction between an aromatic bisphenoxide salt and a nitro-substituted N-alkyl phthalimide in the presence of a non-polar organic solvent and an effective amount of a phase transfer catalyst. There is utilized as the phase transfer catalyst, a mixture of a dipolar aprotic solvent and a polyvalent metal salt such as zinc chloride.

REFERENCES:
patent: 3992406 (1976-11-01), Markezich
patent: 4257953 (1981-03-01), Williams et al.
patent: 4273712 (1981-06-01), Williams

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