Zobrazeno 1 - 10
of 47
pro vyhledávání: '"N. M. Karimova"'
Autor:
N. M. Karimova, Irina L. Odinets, Grigory T. Shchetnikov, Tamara P. Vasilyeva, Gerd-V. Röschenthaler, Daria V. Vorobyeva, Sergey N. Osipov
Publikováno v:
Journal of Fluorine Chemistry. 131:378-383
A convenient method for the preparation of α-CF 3 -α-aminophosphonates bearing alkynyl group at the α-carbon atom has been described. New alkynylphosphonates have been further utilized in the synthesis of functionalized triazole-containing α-CF 3
Publikováno v:
Russian Chemical Bulletin. 59:186-191
Various fluorine-containing benzimidazoles were obtained by the reaction of o-phenylene-diamine, 3,4-diaminotoluene, and 1,2-diamino-4-chlorobenzene with hexafluoropropene or perfluoro(methyl vinyl ether) in DMF. A new efficient method of synthesis o
Publikováno v:
Russian Chemical Bulletin. 59:107-109
A preparative method for the synthesis of diethyl 1-diazo-2,2,2-trifluoroethylphosphonate from trifluoroacetic anhydride and benzyl carbamate via diethyl 1-benzyloxycarbonylimino-2,2,2-trifluoroethylphosphonate is developed. Optimum conditions for th
Publikováno v:
Russian Chemical Bulletin. 46:1136-1139
The basicity of 1-alkyl-2-trifluoromethylaziridines is-two orders of magnitude lower than that of non-fluorinated analogs. Aziridines are stable to H2S and AcOH, but react with AcSH, HCl, HBr, H2SO4, TsOH, and picric acid to give products of ring-ope
Autor:
Gerd‐Volker Roeschenthaler, N. M. Karimova, Irina L. Odinets, Sergey N. Osipov, Daria V. Vorobyeva
Publikováno v:
ChemInform. 43
With the object to obtaining promising biologically active compounds, novel α-CF3-substituted α-aminocarboxylates and -phosphonates (III) and (V) bearing the isoxazole pharmacophore are synthesized.
Publikováno v:
Russian Chemical Bulletin. 43:900-903
SecondaryN-(2-bromo-3,3,3-trifluoropropyl)-N-alkylamines cyclize under the action of bases to yield aziridines. TertiaryN-(2-bromo-3,3,3-trifluoropropyl)amines react with S-nucleophiles to give products of bromine substitution.
Autor:
Sergey N. Osipov, N. M. Karimova, Gerd-Volker Röschenthaler, Irina L. Odinets, Daria V. Vorobyeva
Publikováno v:
Organicbiomolecular chemistry. 9(21)
A convenient strategy for the synthesis of isoxazole-containing α-CF(3)-substituted α-aminocarboxylates and α-aminophosphonates have been developed. The method is based on copper-catalyzed 1,3-dipolar cycloaddition of different aromatic nitrile ox
Publikováno v:
ChemInform. 42
Convenient methods for the synthesis of benzimidazoles containing fluoroalkyl substituents in position 2 starting from phenylenediamines (I) are developed.
Publikováno v:
ChemInform. 28
Publikováno v:
ChemInform. 28