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SYNTHESIS OF SOME HEPTAZINE DERIVATIVES

Kristīne Krūkle-Bērziņa, Kārlis Bērziņš, Kirill Shubin
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Abstract


New derivatives of heptazine were prepared from 2,5,8-trichloroheptazine by a Friedel–Crafts reaction and Pd-catalyzed amination. New triamino-substituted heptazine derivative represents a soluble carbon nitride monomeric unit suitable for the assembly of metal–organic and covalent–organic frameworks. Aromatic substituents in heptazine ring can be displaced by an alkylamine in a pseudo-nucleophilic substitution reaction.


Keywords


hheptazine; Friedel–Crafts reaction; Pd-catalyzed amination.

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