Dicarboxylic acids which contain heterocyclic rings and...

Details Dicarboxylic acids which contain heterocyclic rings and... Dicarboxylic acids which contain heterocyclic rings and...

C - Chemistry, Metallurgy

07

D

260/315.1

C07D 233/72 (2006.01) C07D 233/78 (2006.01) C07D 235/02 (2006.01) C08G 63/685 (2006.01)

Patent

CA 1060025

Abstract of the Disclosure Dicarboxylic acids and dicarboxylic acid derivatives which contain an N,N-imidazolidine-4,5-dione ring and have the formula: Image (I) in which R is alkylene, cyclohexylene, phenylene or benzylene, R1 and R2 each represent hydrogen, alkyl, cycloalkyl or phenyl or together represent C4 to C7 alkylene and X represents carboxyl, nitrite, chlorocarbonyl, phenoxycarbonyl or alkoxycarbonyl, are useful monomers for the manufacture of polymers, in particular polyesters.

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