Zobrazeno 1 - 10
of 333
pro vyhledávání: '"A. N. Chekhlov"'
Autor:
Olga N. Kazheva, Oleg A. Dyachenko, Anastasiya G. Mal'kina, Ludmila V. Andriyankova, Andrei V. Afonin, A. N. Chekhlov, Boris A. Trofimov, Kseniya V. Belyaeva, Lina P. Nikitina
Publikováno v:
ARKIVOC, Vol 2012, Iss 6, Pp 229-244 (2012)
Imidazo(4,5-b)pyridines are readily annelated (45-50 o C, 24-30 h, MeCN) with cyanoacetylenic tertiary �-alcohols to give stereoselectively functionalized 1,3-oxazolo(3,2-a)imidazo(4,5- b)pyridines in 50-88% yields. The adducts undergo a facile ste
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2892440464b59e2b22616513c600575e
https://doi.org/10.3998/ark.5550190.0013.622
https://doi.org/10.3998/ark.5550190.0013.622
Autor:
V. F. Traven, Olga N. Kazheva, G. G. Aleksandrov, N. A. Kondratova, Oleg A. Dyachenko, A. N. Chekhlov
Publikováno v:
Russian Chemical Bulletin. 60:1906-1916
2,3-Dihydrofuro[3,2-c]coumarin-3-one was synthesized in quantitative yield from 3-(ω-bromoacetyl)-4-hydroxycoumarin in the presence of nucleophiles (including solvents). This compound undergoes keto-enol tautomerization and easily reacts with aromat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d317f80a10d67f6b16ccdfb2b4e968af
https://doi.org/10.1007/s11172-011-0287-4
https://doi.org/10.1007/s11172-011-0287-4
Autor:
Mikhail A. Fadeev, Fedorov Boris S, L. V. Tat’yanenko, A. N. Chekhlov, T. E. Sashenkova, E. N. Berseneva, O. V. Dobrokhotova, G. I. Kozub, Nina P. Konovalova
Publikováno v:
Russian Chemical Bulletin. 60:1181-1184
Complexes of platinum tetrachloride with substituted nicotinamides and isonicotinamides were synthesized by the reactions of the corresponding amides with hexachloroplatinic acid. All these complexes are low-toxic. The strong antimetastatic activity
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::07a0f0ee6fbd487d1fc928633e3098c9
https://doi.org/10.1007/s11172-011-0186-8
https://doi.org/10.1007/s11172-011-0186-8
Autor:
Ol'ga G. Volostnykh, Ol'ga A. Tarasova, Nina A. Nedolya, A. N. Chekhlov, Olga N. Kazheva, G. G. Aleksandrov, Oleg A. Dyachenko, Vladimir A. Shagun
Publikováno v:
Russian Journal of Organic Chemistry. 46:1848-1857
Mechanisms of intramolecular transformations of carbanions generated from 2-aza-1,3,5-trienes by the action of potassium tert-butoxide, which could lead to homo- or heteroannular azacycloheptadienes, were studied by quantum-chemical methods in terms
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4cda8d73d0fbe9694181ec836cedba9f
https://doi.org/10.1134/s1070428010120146
https://doi.org/10.1134/s1070428010120146
Autor:
Grigorii G. Alexandrov, Igor A. Ushakov, Boris A. Trofimov, Al'bina I. Mikhaleva, A. N. Chekhlov, Oleg A. Dyachenko, Olga N. Kazheva, Denis N. Tomilin, Lyubov N. Sobenina, Zinaida V. Stepanova
Publikováno v:
Tetrahedron Letters. 51:5028-5031
The [2+2]-cycloadducts of DDQ and 2-ethynylpyrroles, upon ethanolysis (reflux, 15 min or room temperature, 24 h), rearrange from bicyclo[4.2.0]octadienediones to bicyclo[3.2.0]heptadienone- and cyclobutenyl-dihydrofuranone moieties in 55–83% yields
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2908e1dfda1a7b54035da2ccf8b72cbd
https://doi.org/10.1016/j.tetlet.2010.07.100
https://doi.org/10.1016/j.tetlet.2010.07.100
Autor:
A. N. Chekhlov
Publikováno v:
Russian Journal of Inorganic Chemistry. 55:1107-1111
A 3: 1: 1 crystalline adduct of orthophosphoric acid, crown ether dibenzo-18-crown-6, and water, 3H3PO4 · Db18C6 · H2O (I), is synthesized and studied by X-ray diffraction analysis. The orthorhombic structure of compound I (space group Pmn21, a = 2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a89ec891b6c5db5957dc4c91c8f7603
https://doi.org/10.1134/s0036023610070181
https://doi.org/10.1134/s0036023610070181
Autor:
I. V. Sulimenkov, Alexander F. Shestakov, S. M. Aldoshin, Natalia A. Sanina, Nina S. Emel’yanova, A. N. Chekhlov
Publikováno v:
Russian Chemical Bulletin. 59:1126-1136
Dinuclear iron tetranitrosyl complex with the composition [Fe2(SPh)2(NO)4] (1) was synthesized and its single crystals and polycrystals were studied by X-ray diffraction, IR spectroscopy, and elemental analysis. The decomposition products of complex
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a5ad254fd4ddc4323b684d31adb834fd
https://doi.org/10.1007/s11172-010-0215-z
https://doi.org/10.1007/s11172-010-0215-z
Autor:
A. Radváková, Alexander Feher, M. Kucmin, Vladimir A. Starodub, A. N. Chekhlov, Oleg A. Dyachenko, Olga N. Kazheva, Marcela Kajňaková
Publikováno v:
Journal of Physics and Chemistry of Solids. 71:752-757
We performed the synthesis of a (N-Me-3,5-di-Me-Py)(TCNQ)2 single crystal and we resolved the crystallic and molecular structure of this salt. Magnetic susceptibility measurements were performed in the temperature range 2–300 K. The results are stu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ab508675b6d76e1919037a0d5c818dd3
https://doi.org/10.1016/j.jpcs.2010.01.012
https://doi.org/10.1016/j.jpcs.2010.01.012
Autor:
A. N. Chekhlov
Publikováno v:
Russian Journal of Inorganic Chemistry. 55:390-394
A new compound, (dibenzo-18-crown-6)ammonium bromide tetrahydrofuran solvate [NH4(Db18C6)]+ · Br− · THF (I), is synthesized and studied by X-ray diffraction analysis. The crystals of compound I are triclinic: a = 8.848 A, b = 9.696 A, c = 16.023
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::71cfd2fd8f77ddb151681433c2d9a4a2
https://doi.org/10.1134/s0036023610030150
https://doi.org/10.1134/s0036023610030150
Autor:
Svetlana F. Malysheva, Nina K. Gusarova, Natal’ya A. Belogorlova, Boris A. Trofimov, A. N. Chekhlov, Oleg A. Dyachenko, Lidiya M. Sinegovskaya, G. G. Aleksandrov, Olga N. Kazheva
Publikováno v:
Journal of Structural Chemistry. 51:120-125
Previously unknown bis[2-(4-tert-butyl)phen]ethylphosphine sulfide is obtained with a high yield from 4-tert-butyl styrene, red phosphorus, and elemental sulfur. Using single crystal XRD, multinuclear NMR, IR, and UV spectroscopy, it is found that th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a02857485a9de9f2743f2ef4d8e2a35b
https://doi.org/10.1007/s10947-010-0017-z
https://doi.org/10.1007/s10947-010-0017-z