Výsledky vyhledávání - "S. A. Ivanovskii"

Synthesis of substituted pyrazolo[1,5-a]quinoxalines using the reductive cyclization

Autor: Zh. V. Chirkova, S. I. Filimonov, Valeria A. Panova, Anton Shetnev, S. A. Ivanovskii, T. N. Sudzilovskaya

Publikováno v: Russian Chemical Bulletin. 69:1965-1970

New pyrazolo[1,5-a]quinoxalin-4-ones were obtained by reductive cyclization from the corresponding 1-(2-nitroaryl)pyrazole-5-carboxylates. Alternatively, pyrazolo[1,5-a]quinoxalines were prepared from N-hydroxypyrazolo[1,5-a]quinoxalines.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5449ceb099bed0501e0ee81232e729ca
https://doi.org/10.1007/s11172-020-2986-1

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2-Halobenzenesulfonyl chlorides in the synthesis of pyrido[2,1-c][1,2,4]benzothiadiazine 5,5-dioxide derivatives

Autor: R. M. Shlenev, P. A. Agat’ev, A. V. Tarasov, A. S. Danilova, S. A. Ivanovskii, S. I. Filimonov

Publikováno v: Russian Chemical Bulletin. 65:1839-1845

A number of new functional derivatives of pyrido[2,1-c][1,2,4]benzothiadiazine 5,5-dioxide was obtained based on the reactions of 2-halobenzenesulfonyl chlorides with 2-aminopyridine derivatives. A quantitative criterion for the evaluation of a possi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1e2de9fe46be508c62d756c6af8de956
https://doi.org/10.1007/s11172-016-1518-5

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[Untitled]

Autor: S. A. Ivanovskii, Igor G. Abramov, V. V. Bykova, G. P. Shaposhnikov, N. V. Usol’tseva, A. V. Smirnov, V. E. Maizlish

Publikováno v: Russian Journal of General Chemistry. 72:1463-1467

4-(3,4-Dimethylphenoxy)-5-(4-nitrophenoxy)phthalodinitrile was prepared by stepwise nucleophilic substitution of bromine and then the nitro group in 4-bromo-5-nitrophthalodinitrile by the substituted phenoxy groups and was converted to the correspond

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::da845f1bd1a1e02995f642c620b31a67
https://doi.org/10.1023/a:1021698417760

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[Untitled]

Autor: M. S. Belysheva, S. A. Ivanovskii, Igor G. Abramov, M. B. Abramova, A. V. Smirnov

Publikováno v: Chemistry of Heterocyclic Compounds. 38:576-580

The reaction of 4-bromo-5-nitrophthalonitrile with aliphatic secondary diamines to give dicyano tetrahydroquinoxalines alkylated on the nitrogen atoms has been investigated for the first time. The latter can be used to prepare imides, phthalocyanines

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d04c3baea47ceecdf751d1e2707f5655
https://doi.org/10.1023/a:1019565330611

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