Synthesis of polyazaheterocycles containing linearly bound 1,2,4-thiadiazole using enaminones
- Authors: Shikhaliev K.S.1, Romanov P.S.1, Shestakov A.S.1, Stolpovskaya N.V.1, Krysin M.Y.1, Potapov A.Y.1, Proshin A.N.2
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Affiliations:
- Voronezh State University
- Institute of Physiologically Active Compounds, Russian Academy of Sciences
- Issue: Vol 65, No 4 (2016)
- Pages: 1008-1012
- Section: Full Articles
- URL: https://journals.rcsi.science/1066-5285/article/view/237800
- DOI: https://doi.org/10.1007/s11172-016-1404-1
- ID: 237800
Cite item
Abstract
A reaction of N-substituted 5-amino-3-(2-oxopropyl)-1,2,4-thiadiazoles with dimethylformamide dimethyl acetal gave 3-(5-amino-1,2,4-thiadiazol-3-yl)-4-(dimethylamino)but-3en-2-ones, whose cyclization with hydrazine, guanidine, 1H-pyrazol-5-amines and 6-aminopyrimidin-4(3H)-ones led to 3-methyl-1H-pyrazole, 4-methylpyrimidin-2-amine, 5-methyl3-arylpyrazolo[1,5-a]pyrimidines, and 5-methyl-2-R-pyrido[2,3-d]pyrimidin-4(3H)-ones containing a 5-amino-1,2,4-thiadiazole fragment linearly bound at position 3.
About the authors
Kh. S. Shikhaliev
Voronezh State University
Author for correspondence.
Email: chocd261@chem.vsu.ru
Russian Federation, 1 Universitetskaya pl., Voronezh, 394006
P. S. Romanov
Voronezh State University
Email: chocd261@chem.vsu.ru
Russian Federation, 1 Universitetskaya pl., Voronezh, 394006
A. S. Shestakov
Voronezh State University
Email: chocd261@chem.vsu.ru
Russian Federation, 1 Universitetskaya pl., Voronezh, 394006
N. V. Stolpovskaya
Voronezh State University
Email: chocd261@chem.vsu.ru
Russian Federation, 1 Universitetskaya pl., Voronezh, 394006
M. Yu. Krysin
Voronezh State University
Email: chocd261@chem.vsu.ru
Russian Federation, 1 Universitetskaya pl., Voronezh, 394006
A. Yu. Potapov
Voronezh State University
Email: chocd261@chem.vsu.ru
Russian Federation, 1 Universitetskaya pl., Voronezh, 394006
A. N. Proshin
Institute of Physiologically Active Compounds, Russian Academy of Sciences
Email: chocd261@chem.vsu.ru
Russian Federation, 1 Severnyi pr-d, Chernogolovka, Moscow Region, 142432