New monomers for the synthesis of heat-stable polyheterocycles

descriptionPublicationkeyboard_double_arrow_right Article 01 Jun 1970 English Publisher:Springer Science and Business Media LLCJournal:Chemistry of Heterocyclic Compounds, volume 6, pages 682-687 (issn: 0009-3122, eissn: 1573-8353,

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Authors: V. P. Evstaf'ev; G. I. Braz; A. Ya. Yakubovich;

doi: 10.1007/bf00470517

New monomers for the synthesis of heat-stable polyheterocycles

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Abstract

To obtain benzodioxazole analogs of the polypyromellitimides and polymers with alternating pyromellitimide and benzodioxazole links, we have synthesized 2,6-di(paminophyl)benzo[1,2-d∶5,4-d′]dioxazole (I), 2,6-di[p-(p′-aminophenoxy)phenyl]benzo-[1,2-d∶5,4-d′]dioxazole (II), N,N′-di(p-chloroformylphenyl)pyromellitdiimide (III) and N,N′-di(p-chloroformylphenyl)-2,5-dimethoxycarbonyl terephthalamide (IV). Derivatives modelling the polymers mentioned above have been synthesized from the diamines mentioned, and also from 4,6-diaminoresorcinol.

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