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Cross-condensation of derivatives of cyanoacetic acid and carbonyl compounds. 2. One-pot synthesis of substituted 2-amino-7-methyl-5-oxo-4,5-dihydropyrano[4,3-b]pyrans in ethanol and ionic liquid [bmim][PF6]

โœ Scribed by A. M. Shestopalov; S. G. Zlotin; A. A. Shestopalov; V. Yu. Mortikov; L. A. Rodinovskaya


Book ID
111607650
Publisher
Springer
Year
2004
Tongue
English
Weight
400 KB
Volume
53
Category
Article
ISSN
1573-9171

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Cross-condensation of derivatives of cya
โœ Anatoliy M Shestopalov; Yuliya M Emeliyanova; Aleksandr A Shestopalov; Lyudmila ๐Ÿ“‚ Article ๐Ÿ“… 2003 ๐Ÿ› Elsevier Science ๐ŸŒ French โš– 156 KB

To develop a method of synthesis of the potentially physiologically active compounds, 1 0 -substituted 6-amino-spiro-4-(piperidine-4 0 )-2H,4H-pyrano[2,3-c]pyrazoles, we studied the three-component condensation of substituted piperidin-4-ones, malononitrile and pyrazolin-5-ones. It was found that th