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2005
Fused pyridine derivatives
R 0450
Synthesis and Transformations of 3-Aminothieno[2,3-b]pyridine— Synthesis of title thienopyridinecarboxamides (III) is smoothly
08- 158 2-carboxamides.
achieved by S-alkylation—Thorpe—Ziegler cyclization reaction of pyridinethiones (I)
with chloroacetamides (II) under alkaline conditions. Application of these thienopyridinecarboxamides (III) is demonstrated in diazotization reaction [cf. (IV)] as well as
in the cyclocondensation with various aldehydes (V). — (KAIGORODOVA, E. A.;
VASILIN, V. K.; OSIPOVA, A. A.; LIPUNOV, M. M.; KRAPIVIN, G. D.; Izv.
Vyssh. Uchebn. Zaved., Khim. Khim. Tekhnol. 47 (2004) 4, 144-148; Kubanskii gos.
tekhnol. univ., Krasnodar 350072, Russia; Russ., Abstr. Eng.) — Mischke
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