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SYNTHESIS OF NONSYMMETRICALLY 2,7-DISUBSTITUTED 1,3-DIAZAPYRENES, NOVEL PROMISING SUPRAMOLECULAR CHEMISTRY OBJECTS

Станислав В. Щербаков, Олег Н. Надеин, Виктория Ю. Щербакова, Сергей Н. Овчаров, Александр В. Аксенов
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Abstract


A number of nonsymmetrically 2,7-disubstituted 1,3-diazapyrenes were synthesized by the Sonogashira cross coupling of 2-substituted 7bromobenzo[gh]perimidines with phenyl- and pentylacetylenes. A method of direct one-pot synthesis from 2-substituted 6-(5-bromo-3,4-dihydropyrimidin-4-yl)-1H-perimidines was developed. The proposed method for functionalization of 1,3-diazapyrenes can find application in supramolecular chemistry.

 


Keywords


azapyrenes; 1,3-diazapyrenes; perimidines; terminal acetylenes; Sonogashira cross coupling.

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