Výsledky vyhledávání - "R. M. Zolotar"

Synthesis of Fluorine-Containing Derivatives of 5-Arylisoxazoles and 4,5-Dichlorothiazole

Autor: R. M. Zolotar, E. A. Dikusar, I. B. Rozenzveig, A. V. Kletskov, Galina G. Levkovskaya, Vladimir I. Potkin, Sergey K. Petkevich, P. V. Kurman

Publikováno v: Russian Journal of General Chemistry. 88:234-240

Alkylation of fluorophenols and phenolic aldehydes with 5-phenyl(p-tolyl)-3-chloromethylisoxazole under the Williamson reaction conditions afforded the corresponding ethers. Condensation of the resulting phenolic aldehyde derivatives and 5-phenyl(p-t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2f51379375e0672661ceabc4486d4503
https://doi.org/10.1134/s1070363218020081

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Synthesis of esters of metallocene alcohols and 4,5-dichloroisothiazol-3-carboxylic and 5-arylisoxazole-3-carboxylic acids

Autor: T. D. Zvereva, I. A. Kolesnik, N. A. Zhukovskaya, A. V. Kletskov, Galina G. Levkovskaya, Sergey K. Petkevich, E. A. Semenova, I. B. Rosentsveig, Vladimir I. Potkin, E. A. Dikusar, R. M. Zolotar

Publikováno v: Russian Journal of General Chemistry. 86:338-343

Acylation of alkyl- and 1,1′-dialkylferrocene alcohols and diols as well as (3,4,4-trichlorobut-3-ene-1-ol-1-yl)-4,5-cymantrene with dichloroisothiazole- and 5-arylisoxazole-3-carbonyl chlorides has afforded esters containing 1,2-azoles fragments.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ff74eda05aee71c9c2eebf4291f5baf8
https://doi.org/10.1134/s1070363216020237

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Synthesis of functional isoxazole derivatives proceeding from (5-arylisoxazol-3-yl)chloromethanes

Autor: S. G. Pashkevich, R. M. Zolotar, Tatiana A. Gurinovich, Sergey K. Petkevich, Nikolay A. Bumagin, E. V. Semenova, P. V. Kurman, V. A. Kul’chitskii, E. A. Dikusar, Vladimir I. Potkin

Publikováno v: Russian Journal of Organic Chemistry. 51:1119-1130

Reaction of 3-chloromethyl-5-phenyl(p-tolyl)isoxazoles with substituted phenols under the conditions of Williamson reaction afforded the corresponding 3-aryloxymethyl-5-phenyl(p-tolyl)isoxazoles. Treating the latter with sodium methylate, sodium phen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::572458cff2e734e11793501517a33cb5
https://doi.org/10.1134/s1070428015080102

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Synthesis of functionally substituted 2,2′-arylmethylenebis(3-hydroxy-5,5-dimethylcyclohex-2-enones)

Autor: R. M. Zolotar, O. P. Chepik, Sergey K. Petkevich, Vladimir I. Potkin, E. A. Dikusar

Publikováno v: Russian Journal of General Chemistry. 84:1287-1292

Condensation of functionally substituted benzaldehydes and isoxazolyl-3-carbaldehyde with dimedone in the presence of catalytic amounts of triethylamine in methanol afforded functionally substituted 2,2′-arylmethylenebis(3-hydroxy-5,5-dimethylcyclo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e8835a808f833a83f72d4b3fcef290d0
https://doi.org/10.1134/s1070363214070068

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Esters of benzoic, 5-arylisoxazole-3-carboxylic and 4,5-dichloroisothiazole-3-carboxylic acids

Autor: O. P. Chepik, Vladimir I. Potkin, E. A. Dikusar, A. V. Kletskov, R. M. Zolotar, M. Yu. Murashova, Sergey K. Petkevich, N. A. Zhukovskaya

Publikováno v: Russian Journal of General Chemistry. 84:1179-1185

The method of synthesis was developed of esters of benzoic, 2-chlorobenzoic, 5-phenylisoxazole-3-carboxylic, 5-tolylisoxazole-3-carboxylic, and 4,5-dichloroisothiazole-3-carboxylic acids with some aliphatic and substituted aromatic alcohols. The latt

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::da0030a91757694b0d25e7cd59e47a2a
https://doi.org/10.1134/s107036321406019x

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Catalytic synthesis of 2,2′-arylmethylenebis(3-hydroxy-5,5-dimethylcyclohex-2-en-1-ones) and 3,3,6,6-tetramethyl-9-aryl-3,4,5,6,7,9-hexahydro-1H-xanthene-1,8(2H)-diones

Autor: Vladimir I. Potkin, O. P. Chepik, E. A. Dikusar, A. S. Pavlyuchenkova, R. M. Zolotar, A. P. Polikarpov, M. M. Ogorodnikova, Sergey K. Petkevich, M. Yu. Murashova, N. G. Kozlov, A. V. Kletskov

Publikováno v: Russian Journal of Organic Chemistry. 49:233-242

Condensation of substituted benzaldehydes of vanillin series with dimedone in methanol solution in the presence of catalytic quantities of triethylamine afforded 2,2′-arylmethylenebis(3-hydroxy-5,5-dimethylcyclohex-2-en-1-ones. By catalytic cycliza

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0798184f2aae7d870db6bb7034236010
https://doi.org/10.1134/s1070428013020103

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Synthesis of 1,3-dioxolanes from substituted benzaldehydes of the vanillin series

Autor: Vladimir I. Potkin, R. M. Zolotar, E. A. Dikusar, T. D. Zvereva, N. A. Zhukovskaya, Yu. S. Zubenko, O. P. Chepik, A. V. Kletskov

Publikováno v: Russian Journal of General Chemistry. 82:1537-1539

Condensation of substituted benzaldehydes of the vanillin series with propane-1,2-diol and 3-chloropropane-1,2-diol in boiling benzene in the presence of FIBAN K-1 sulfonated cation exchanger as catalyst gave the corresponding substituted 1,3-dioxola

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https://doi.org/10.1134/s1070363212090149

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[Untitled]

Autor: N. V. Kovganko, R. M. Zolotar, V. L. Survilo, A. I. Bykhovets

Publikováno v: Chemistry of Natural Compounds. 38:439-442

Structural analogs of ecdysteroids were screened for insecticidal activity for larvae of the Colorado beetle Leptinotarsa decemlineata using a contact-feed method. High activity was found for compounds 3, 6b, 7a, and 9a.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::68a1ba2cba5a0e5e5985048a086efd2e
https://doi.org/10.1023/a:1022107625708

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[Untitled]

Autor: Yu. G. Chernov, A. I. Bykhovets, Zh. N. Kashkan, N. V. Kovganko, R. M. Zolotar

Publikováno v: Chemistry of Natural Compounds. 38:167-170

The toxicity of steroids 1-14 for Colorado beetle (Leptinotarsa decemlineata Say.) larvae was studied by a contact-intestinal method. The most active are 3β,5α-dihydroxy-6-ketone 4a and 5α-hydroxy-3,6-diketone 8a.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0e70130c16a7bc5caac119b198e57c5a
https://doi.org/10.1023/a:1019644115900

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[Untitled]

Autor: R. M. Zolotar, A. I. Bykhovets, N. V. Kovganko, V. L. Survilo

Publikováno v: Chemistry of Natural Compounds. 38:443-446

Steroids 1-16, which are intermediates in the synthesis of ecdysteroids, have been shown to possess insecticidal activity for larvae of the Colorado beetle Leptinotarsa decemlineata. Active growth- and development-regulators were found among them.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d482a24446ff3e78e6787d62f7250722
https://doi.org/10.1023/a:1022159609779

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