Studies with polyfuntionally substituted heteroaromatics: Synthesis of new heterocyclic aromatic amines as potential intermediates for preparation of dyes for thermal diffusion printing

Studies with polyfuntionally substituted heteroaromatics: Synthesis of new heterocyclic aromatic amines as potential intermediates for preparation of dyes for thermal diffusion printing

Several new dibenzopyrans as well as novel thiadiazaacenaphthenes are obtained via 4 + 2 addition of the thienocoumarins (1) and thienopyridazines (2) to electron-poor olefins.

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Veröffentlicht in:Canadian journal of chemistry 1998-07, Vol.76 (7), p.1038
Hauptverfasser: Ayman Wahba Erian, Estisam Abdul Aziz Hafez, Elham Sayed Darwish, Mohamed Hilmy Elnagdi
Format: Artikel
Sprache:eng
Schlagworte:
Amines
Chemistry
Dyeing
Dyes
Hydrocarbons
Olefins
R&D
Research & development
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Zusammenfassung:Several new dibenzopyrans as well as novel thiadiazaacenaphthenes are obtained via 4 + 2 addition of the thienocoumarins (1) and thienopyridazines (2) to electron-poor olefins.
ISSN:0008-4042
1480-3291