Method for making aromatic etherimides

Details Method for making aromatic etherimides Method for making aromatic etherimides

1983-03-21

1984-10-09

Daus, Donald G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548461, 548476, C07D20948

Patent

active

044763093

ABSTRACT:
A method for making aromatic ether imides is provided by effecting the displacement of reactive radicals on a phthalimide nucleus with a mono- or bis-alkali metal phenoxide in the presence of a nonpolar solvent and a phase transfer catalyst, such as a triorganoborate. The aromatic ether imide made by the present invention are useful intermediates for making aromatic ether anhydrides and aromatic bis(ether anhydrides).

REFERENCES:
patent: 3852242 (1974-12-01), White
patent: 3879428 (1975-04-01), Heath et al.
patent: 3956320 (1976-05-01), Heath et al.
patent: 3957862 (1976-05-01), Heath et al.
patent: 3965125 (1976-06-01), Meyers
patent: 4202993 (1980-05-01), Takekoshi
patent: 4257953 (1981-05-01), Williams et al.
patent: 4273712 (1981-06-01), Williams

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