Výsledky vyhledávání - "Yu. Ya. Efremov"

4(2)-Methoxyphenyl glycerol ethers in the synthesis of nonracemic di-O,O-acylglycerols

Autor: V. G. Novikova, Z. A. Bredikhina, Dilyara R. Sharafutdinova, Yu. Ya. Efremov, A. A. Bredikhin

Publikováno v: Russian Chemical Bulletin. 57:2320-2323

Effective methods for the synthesis of nonracemic 4- and 2-methoxyphenyl glycerol ethers from nonracemic 3-chloropropanediols and by direct resolution of the racemate, respectively, were developed. Some existing discrepancies related to the to chirop

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ff60ea49bc2de0a26cde2c8cb86dd0ed
https://doi.org/10.1007/s11172-008-0328-9

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Synthesis of pyrimidinocyclophanes having a bridging nitrogen atom

Autor: A. E. Nikolaev, V. S. Reznik, Yu. Ya. Efremov, Vyacheslav E. Semenov, Sh. K. Latypov, Artem V. Kozlov

Publikováno v: Russian Journal of Organic Chemistry. 44:882-890

Reactions of 1,3-bis(ω-bromoalkyl)-substituted uracils, quinazoline-2,4-dione, and 5-methyl-1,3,5-triazine-2,4,6-trione and 1,3-bis(m-bromomethylbenzyl)-5-bromouracil with amines (aliphatic amines, benzylamines, naphthylmethanamine, and anisidine) g

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a14d2b9773bd9a2d76d4ed17132f8077
https://doi.org/10.1134/s1070428008060183

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Mercaptopyrimidines as inhibitors of carbon dioxide corrosion of iron

Autor: V. D. Akamsin, Yu. P. Khodyrev, L. Tiwari, R. M. Galiakberov, V. S. Reznik, Yu. Ya. Efremov

Publikováno v: Corrosion Science. 50:392-403

The inhibition activity of 2-mercaptopyrimidine ( I ), 2-mercapto-4-methylpyrimidine hydrochloride ( II ), 2-mercapto-4,6-dimethylpyrimidine ( III ) and its hydrochloride ( IV ) upon carbon dioxide corrosion of iron has been studied in a wide range o

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https://doi.org/10.1016/j.corsci.2007.06.021

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Lipids of Oenothera seeds from different habitats. 1

Autor: A. I. Konovalov, S. G. Minzanova, E. V. Chernova, S. G. Yunusova, Yu. Ya. Efremov, M. S. Yunusov, O. N. Denisenko, A. R. Karimova, Vladimir F. Mironov

Publikováno v: Chemistry of Natural Compounds. 43:525-528

The composition of lipids and fatty acids from seeds of Oenothera biennis growing in the RF near Kazan’ was determined. The content of γ-linolenic acid in all groups of acyl-containing lipids in the oil to be 4.4%.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bbf47a2d1f132853cc61254b51337dea
https://doi.org/10.1007/s10600-007-0182-2

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Novel fluorene-containing fullerenes C60: synthesis and structures

Autor: I. A. Nuretdinov, V. P. Gubskaya, Sh. K. Latypov, G. M. Fazleeva, I. E. Ismaev, F. G. Sibgatullina, Yu. Ya. Efremov, K. L. Nodov

Publikováno v: Russian Chemical Bulletin. 56:1843-1848

Reactions of fullerene C60 with fluorene-2-carbaldehyde or 2,7-diacetylfluorene in toluene gave novel spiromethanofullerenes containing a reactive free formyl group. A novel fluorene-containing fullerenopyrrolidine was obtained by the Prato reaction.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8073b2fc6f688ae3f0fd284aa543c2bf
https://doi.org/10.1007/s11172-007-0286-7

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Nonracemic menthyl phosphorylacetates

Autor: Sh. K. Latypov, Igor A. Litvinov, Alexey B. Dobrynin, R. I. Tarasova, R. M. Eliseenkova, Yu. Ya. Efremov, O. V. Voskresenskaya, A. A. Balandina, Dilyara R. Sharafutdinova, A. A. Bredikhin

Publikováno v: Russian Chemical Bulletin. 56:290-297

Phosphorylacetic acid esters containing the menthoxy fragment at the phosphorus atom or at the carbonyl group were synthesized. The configurations of the enantiomerically pure compounds, viz., methyl (ethoxy)(menthyloxy)phosphorylacetate and menthyl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::65953ad4b7ab0e8da1434c56eea15b10
https://doi.org/10.1007/s11172-007-0047-7

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Synthesis, structures, and properties of new thiophosphorylated fullerenopyrrolidines. First example of the Pishchimuka reaction in fullerene derivatives

Autor: G. M. Fazleeva, Yu. Ya. Efremov, Sh. K. Latypov, Valentina P. Gubskaya, V. V. Yanilkin, A. A. Balandina, V. V. Zverev, I. A. Nuretdinov, F. G. Sibgatullina, I. E. Ismaev, Natalya V. Nastapova

Publikováno v: Russian Chemical Bulletin. 55:507-516

The reactions of fullerene C60 with thiophosphorylated mono-or dialdehydes and N-methylglycine in toluene afforded new thiophosphorylated fullerenopyrrolidines, including those containing the free aldehyde group. The purity and compositions of the re

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5bcd482a3437cfdbd6b6283790a5a497
https://doi.org/10.1007/s11172-006-0284-1

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Synthesis and structures of pyrimidinophanes containing a nitrogen atom in the bridge

Autor: Sh. K. Latypov, A. P. Timosheva, Vladimir E. Kataev, A. E. Nikolaev, Alla V. Chernova, Yu. Ya. Efremov, L. F. Galiullina, V. S. Reznik, Vyacheslav E. Semenov, Dilyara R. Sharafutdinova, Igor A. Litvinov, Olga A. Lodochnikova

Publikováno v: Russian Chemical Bulletin. 55:559-568

The reactions of 1,3-bis(5-bromopentyl)-5-methyl-or 1,3-bis(5-bromopentyl)-6-methyl-uracil with benzylamine afforded pyrimidinophanes containing the nitrogen atom in the polymethylene bridge. Single-crystal X-ray diffraction study and NMR and UV spec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::52f462c067e01e990936216c2cdf4ce9
https://doi.org/10.1007/s11172-006-0292-1

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Reactions of pyrimidinophanes and their acyclic analogs with electron-deficient substrates

Autor: Vyacheslav E. Semenov, Vladimir E. Kataev, A. E. Nikolaev, Alla V. Chernova, A. A. Nafikova, V. S. Reznik, Dilyara R. Sharafutdinova, R. R. Shagidullin, Yu. Ya. Efremov, G. M. Doroshkina, V. D. Akamsin, A. S. Mikhailov, R. Kh. Giniyatullin, Vladimir I. Morozov

Publikováno v: Russian Journal of General Chemistry. 76:292-301

Acyclic and macrocyclic compounds having different numbers of pyrimidine fragments and nitrogen atoms in the polymethylene bridges or in substituents at the pyrimidine rings reacted with 2,3,5,6-tetrachloro-1,4-benzoquinone and 1,4-benzoquinone accor

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https://doi.org/10.1134/s1070363206020228

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Oxidation of prochiral sulfides with chiral dioxirane

Autor: R. M. Eliseenkova, S. A. Dieva, Yu. Ya. Efremov, A. A. Bredikhin, Dilyara R. Sharafutdinova

Publikováno v: Russian Journal of Organic Chemistry. 42:12-16

Dioxirane generated in situ by reaction of chiral 1,2:4,5-di-O-isopropylidene-D-erythro-hexo-2,4-diulo-2,6-pyranose with Oxone oxidizes prochiral sulfides to the corresponding sulfoxides with an enantiomeric excess of 2 to 25%.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9fffb9315b7854a82a139218068f7287
https://doi.org/10.1134/s1070428006010027

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