Process for the preparation of aromatic ether bismaleimides

Details Process for the preparation of aromatic ether bismaleimides Process for the preparation of aromatic ether bismaleimides

1987-12-22

1989-08-08

Daus, Donald G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

156902, 428295, 526262, 562412, C07D40310

Patent

active

048554502

ABSTRACT:
The present invention provides a process for producing aromatic ether bismaleimides of the Formula (II) ##STR1## wherein A is a divalent mononuclear or polynuclear aromatic linking group. The process provides good yields and can be scaled up readily to commercial size runs.
The present invention also provides compositions containing at least about 80 weight % of the bismaleimide of Formula (II) above.

REFERENCES:
patent: 3839287 (1974-10-01), Kwiatkowski
patent: 3960887 (1976-06-01), Renard
patent: 4288583 (1981-09-01), Zahir
patent: 4460783 (1984-07-01), Nishikawa
patent: 4464520 (1984-08-01), Adams
patent: 4691025 (1987-09-01), Domeier
JP-59-168,017 (Abstract), Chem. Abstracts, vol. 102, 46756(d) of 1985.
Butler et al., Conf. of the Soc. of Plastics Eng., vol. 32 (1986) pp. 1311-1315.

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