Zobrazeno 1 - 10
of 2 746
pro vyhledávání: '"Igor'"'
Autor:
Ivan V. Ananyev, Alexander A. Larin, Nina N. Makhova, Margarita A. Epishina, Leonid L. Fershtat, Alexander S. Kulikov, Igor V. Ovchinnikov
Publikováno v:
ChemInform. 47
A regioselective method for the synthesis of previously unknown bifuroxanyl systems containing the 3-nitrobifuroxanyl core, based on a cascade of one-pot reactions comprising of the acylation of dinitromethane sodium salt with furoxanyl hydroxamic ac
Autor:
Andrei V. Afonin, Vasily M. Muzalevskiy, Valentine G. Nenajdenko, Boris A. Trofimov, Igor A. Ushakov, Anastasiya G. Mal'kina, Vladimir B. Kobychev, Lina P. Nikitina, Kseniya V. Belyaeva, Ludmila V. Andriyankova
Publikováno v:
ChemInform. 47
The nucleophilic addition of imidazole derivatives to trifluoromethylated acetylenes was studied. Unpredictable regioselectivity of the reaction was observed to yield both β- and α-addition products. The reaction is 100% stereoselective to give the
Autor:
Mikhail Ya. Melnikov, Ekaterina M. Budynina, Olga A. Ivanova, Dmitriy A. Skvortsov, Elena V. Villemson, Igor V. Trushkov
Publikováno v:
ChemInform. 47
The ring opening of cyclopropanes (I) with sodium azide followed by Krapcho dealkoxycarbonylation and a subsequent Vilsmeier—Haack formylation of resulting azides (II) gives rise to azido aldehydes (IV).
Autor:
Igor V. Zatovsky, Anna N. Puzan, Nikolay S. Slobodyanik, Kostyantin Bychkov, Marina A. Bondarenko, Nataliia Strutynska, Vyacheslav N. Baumer
Publikováno v:
ChemInform. 47
Autor:
Elena F. Sagitova, Igor A. Ushakov, Vladimir I. Smirnov, Boris A. Trofimov, Olga V. Petrova, Lyubov N. Sobenina, Tat′yana N. Borodina
Publikováno v:
ChemInform. 47
A novel strategy for the synthesis of 4-amino-3-cyano-2,2′- and 5′-amino-4′-cyano-2,3′-bipyrroles via readily available 1-amino-3-imino-3H-pyrrolizine-2-carbonitriles has been developed. The rearrangement leading to 5′-amino-4′-cyano-2,3
Autor:
Anna V. Merkulova, E. B. Deeva, V. F. Kozlovskii, M. A. Zakharov, Viktor A. Tafeenko, Sergey I. Troyanov, Igor Morozov
Publikováno v:
ChemInform. 47
Monoclinic and triclinic modifications of nitrosonium nitratonickelate NO[Ni(NO3)3] as well as triclinic modification of nitrosonium nitratocobaltate NO[Co(NO3)3] (isostructural to triclinic NO[Ni(NO3)3]) have been synthesized by a new synthetic appr
Publikováno v:
ChemInform. 47
The new tetrahedral complexes revealed in the structures of natural silicates in the last years are analyzed. Several new minerals and structural types widen the structural classification and principles of silicates. The new structures of silicates w
Autor:
Vladislav Yu. Korotaev, Vyacheslav Ya. Sosnovskikh, Alexander V. Safrygin, Alexey Yu. Barkov, Igor B. Kutyashev
Publikováno v:
ChemInform. 47
2-(Polyfluoroalkyl)chromones react with 4-alkyl-3-cyanocoumarins in dichloromethane in the presence of triethylamine to give a wide variety of functionalized benzo[c]coumarin derivatives in good yields. This new annulation reaction presumably proceed
Publikováno v:
ChemInform. 47
Polycrystalline samples of the solid solution Pb1−xEuxTe were prepared by the spark-plasma technique. In contrast to the literature data, the homogeneity range of the solid solution amounts only to 0 ≤ x ≤ 0.02 under the selected preparation co
Autor:
Ivan A. Bidusenko, Boris A. Trofimov, Elena Yu. Schmidt, Igor A. Ushakov, Natalia A. Cherimichkina
Publikováno v:
ChemInform. 47
Aliphatic and alicyclic ketones react with acetylene gas under conditions A) or B) to produce the required oxygen heterocycles in one pot.