초록

Phthalimides and the like in which the substituent on the imide nitrogen is a highly electron-deficient group may be prepared by the reaction of the appropriate amine with phthalic anhydride. These imides are useful for the preparation of polyimides by reaction with diamines.

대표청구항 ▼

A bisimide having the formula [Figure] wherein: Ar is a trivalent benzene or naphthalene radical having adjacent positions substituted by the carbonyl groups of the imide moiety; Q is a single bond, －CH2－, －C2H4－, －C(CH3)2－, －O－, [Figure] －Sx－, －SO2－or [Figure] Z is a highly electron-deficient heter

A bisimide having the formula [Figure] wherein: Ar is a trivalent benzene or naphthalene radical having adjacent positions substituted by the carbonyl groups of the imide moiety; Q is a single bond, －CH2－, －C2H4－, －C(CH3)2－, －O－, [Figure] －Sx－, －SO2－or [Figure] Z is a highly electron-deficient heterocyclic group having a 5- or 6-membered ring and aromatic unsaturation and containing 1-3 hetero atoms of which at least one is nitrogen and the others, if present, are nitrogen or sulfur; and x is 1 or 2.