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Synthesis of 2,6-diamino-3,5-dicyano-4-ethyl-4H-thiopyran and its recyclization to 6-amino-3,5-dicyano-4-ethylpyridine-2(1H)-thione

โœ Scribed by V. D. Dyachenko; S. G. Krivokolysko; V. P. Litvinov

Publisher
Springer US
Year
1996
Tongue
English
Weight
345 KB
Volume
32
Category
Article
ISSN
0009-3122

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๐Ÿ“œ SIMILAR VOLUMES

ChemInform Abstract: Synthesis of 2,6-Di
ChemInform Abstract: Synthesis of 2,6-Diamino-3,5-dicyano-4-ethyl-4H-thiopyran and Its Recyclization into 6-Amino-3,5-dicyano-4-ethylpyridine-2(1H)-thione.
โœ V. D. DYACHENKO; S. G. KRIVOKOLYSKO; V. P. LITVINOV ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› John Wiley and Sons โš– 31 KB ๐Ÿ‘ 2 views

Synthesis of 2,6-Diamino-3,5-dicyano-4-ethyl-4H-thiopyran and Its Recyclization into 6-Amino-3,5-dicyano-4-ethylpyridine-2(1H)-thione. -Three component condensation of propionaldehyde with malononitrile and cyanothioacetamide provides the title diaminothiopyran (IV) which recyclizes at reflux into