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Ethylcrotonates in synthesis of 4,4-disubstituted 3,5-dicyano-6-oxo-1,4,5,6-tetrahydropyridine-2-thiolates

โœ Scribed by V. D. Dyachenko; A. A. Nikishin; V. P. Litvinov


Publisher
Springer US
Year
1997
Tongue
English
Weight
117 KB
Volume
33
Category
Article
ISSN
0009-3122

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ChemInform Abstract: Ethylcrotonates in
โœ V. D. DYACHENKO; A. A. NIKISHIN; V. P. LITVINOV ๐Ÿ“‚ Article ๐Ÿ“… 2010 ๐Ÿ› John Wiley and Sons โš– 30 KB ๐Ÿ‘ 2 views

Ethylcrotonates in the Synthesis of 4,4-Disubstituted 3,5-Dicyano-6oxo-1,4,5,6-tetrahydropyridine-2-thiolates. -Michael addition of ethyl crotonate (I) to cyanothioacetamide (II) in the presence of N-methylmorpholine and subsequent in situ cyclization affords the title tetrahydropyridinethiolates as