Dicarboxylic acid derivatives containing heterocyclic radicals

Details Dicarboxylic acid derivatives containing heterocyclic radicals Dicarboxylic acid derivatives containing heterocyclic radicals

1975-11-20

1978-12-19

Trousof, Natalie

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

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

548305, 548307, 548310, 548321, 528289, 528341, 528367, 544301, 544312, 544314, C07D23952, C07D23964, C07D23372, C07D23396, C09K 506

Patent

active

041305604

ABSTRACT:
New dicarboxylic acid derivatives containing a N,N-heterocyclic radical are obtained by reacting 1 mol of a cyclic ureide, such as 1,1-methylene-bis-hydantoin, benzimidazolone, parabanic acid, 6-methyluracil or 2,2-diethylbarbituric acid, with 2 mols of 4-halogenomethylbenzoic acid derivatives. The new dicarboxylic acid derivatives are valuable monomers for the manufacture of stable plastics. Thus, the dicarboxylic acid dialkyl esters, for example, can be converted by means of diols into polyesters with valuable mechanical properties.

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