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Preparation and Characterization of Cyanovinyl-Substituted 2-Aminothiophenes and 2-Aminothiazoles and Some of Their Heterooligomers (2000)

Eckert, Katrin ; Schröder, Anke ; Hartmann, Horst

Weinheim : Wiley-Blackwell

Liebigs Annalen 2000 (2000), S. 1327-1334

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ISSN: 1434-193X

Keywords: Heterocycles ; Thiophenes ; Solvatochromism ; Chemistry ; General Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: -The reaction of 2,2-dicyanoethenyl- and 1,2,2-tricyanoethenyl-substituted bromoalkanes, bromomethyl benzenes, thiophenes, and furans 19-22 with 3-aminothioacrylamides and their 2-azaanalogues 23 and 24 gives a series of 5-dicyanoethenyl- and 5-tricyanoethenyl-substituted 2-aminothiophenes, 2-aminothiazoles and their (hetero)benzologous analogues 25-32. The solvatochromism, which is a characteristic feature of these donor-acceptor substituted heterocyclic compounds, was studied in detail and correlated with the Kamlet-Taft solvent parameters.

Additional Material: 4 Tab.

Type of Medium: Electronic Resource

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