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Synthesis and structure of 6-amino-3,5-dicyano-4-heptylpyridine-2(1H)-thione

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


Publisher
Springer
Year
1997
Tongue
English
Weight
207 KB
Volume
46
Category
Article
ISSN
1573-9171

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ChemInform Abstract: Synthesis of 2,6-Di
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