Zobrazeno 1 - 10
of 24
pro vyhledávání: '"O. I. Askalepova"'
Publikováno v:
Journal of Analytical Chemistry. 78:200-206
Autor:
L. D. Popov, Yu. P. Tupolova, V. G. Vlasenko, S. A. Borodkin, S. I. Levchenkov, V. E. Lebedev, O. I. Askalepova, G. S. Borodkin, A. A. Zubenko, K. B. Gishko, Ya. V. Zubavichus, V. A. Lazarenko, I. N. Shcherbakov
Publikováno v:
Russian Journal of General Chemistry. 92:2796-2808
Autor:
Vladimir V. Lukov, D. V. Spiridonova, Yulia P. Tupolova, Leonid D. Popov, K. B. Gishko, Igor N. Shcherbakov, A. S. Burlov, Vladimir A. Lazarenko, O. I. Askalepova, Sergey I. Levchenkov, Valery G. Vlasenko, S. A. Borodkin
Publikováno v:
Russian Journal of General Chemistry. 91:90-97
The novel hydrazone, a condensation product of 2-N-tosylaminobenzaldehyde and Girard T reagent, as well as the Cu(II), Ni(II), Co(II) and Fe(III) complexes on its base were synthesized. The ligand structure and properties were studied with IR, UV, 1H
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 17, Iss 1, Pp 11-21 (2021)
Beilstein Journal of Organic Chemistry
Beilstein Journal of Organic Chemistry
Novel carbazole-based [6]helicenes fused with an azine ring (pyridine, pyrazine or quinoxaline) have been prepared through a five-step synthetic sequence in good overall yields. Commercially available 2,3-dihaloazines were used as starting materials.
Autor:
Victor N. Khustalev, Jordan C. Poler, Igor N. Shcherbakov, Yulia P. Tupolova, Vladimir E. Lebedev, Vladimir A. Lazarenko, O. I. Askalepova, Tatiana A. Lastovina, Vladimir V. Lukov, A. A. Tsaturyan, Leonid D. Popov
Publikováno v:
New Journal of Chemistry. 44:2146-2154
The ligand system diacethylmonooxime 4,6-dimethylpyrimidylhydrazone and its Ni(II), Mn(II), Fe(III) and Co(III) complexes with composition [Ni(H2L)2]Cl2·1.17H2O, [Mn(H2L)2](ClO4)2·0.75H2O, [Fe(H2L)2]·3Cl·H2O and [Co(HL)2]·ClO4 have been synthesi
Autor:
A. S. Burlov, Yu. P. Tupolova, Leonid D. Popov, O. I. Venidiktova, Tatyana M. Valova, V. A. Barachevskii, Igor N. Shcherbakov, S. A. Borodkin, O. I. Askalepova, Valery G. Vlasenko
Publikováno v:
Russian Journal of General Chemistry. 89:2258-2263
A new azomethine based on N-aminofluorescein and ortho-tosylaminobenzaldehyde has been synthesized. Structure and properties of the obtained compound have been studied by means of IR, 1H NMR, and electron absorption spectroscopy as well as potentiome
Autor:
S. A. Borodkin, Anatolii S. Burlov, Vadim V. Minin, Yu. P. Tupolova, Elena A. Ugolkova, Sergey I. Levchenkov, O. I. Askalepova, Igor N. Shcherbakov, Vladimir V. Lukov, Leonid D. Popov, Gennady V. Shilov, Valery V. Tkachev
Publikováno v:
Russian Journal of Inorganic Chemistry. 62:893-899
o-Tosylaminobenzaldehyde dimethylpyrimidyl hydrazone and its copper(II), nickel(II), and zinc(II) complexesare synthesized and studied. According to the X-ray diffraction data, the zinc(II) complex has the structure of a tetragonal pyramid with the N
Autor:
Yu. P. Tupolova, Leonid D. Popov, Sergey I. Levchenkov, Vladimir V. Lukov, V. A. Kogan, Igor N. Shcherbakov, O. I. Askalepova, A. A. Tsaturyan, Alexander A. Zubenko
Publikováno v:
Russian Journal of General Chemistry. 85:2560-2567
Novel bis-azomethine, the product of condensation of 2,6-diformyl-4-tert-butylphenol and m-aminocinnamic acid, has been synthesized. The product structure and properties have been investigated by means of 1Н NMR, IR, and electronic spectroscopy as w
Autor:
Yu. N. Tkachenko, V. A. Kogan, Sergey I. Levchenkov, Tatyana B. Karpova, Leonid D. Popov, Yu. P. Tupolova, Galina A. Gazieva, O. I. Askalepova, Angelina N. Kravchenko
Publikováno v:
Russian Journal of General Chemistry. 85:92-96
The acid-base properties of the thiourea based cyclic thiosemicarbazone have been studied. The tautomerism and complex formation ability of the thiosemicarbazone were investigated by the methods of quantum chemistry and electronic spectroscopy. The c
Autor:
O. V. Maevskii, Sergey I. Levchenkov, Alexander A. Zubenko, V. A. Kogan, O. I. Askalepova, Leonid D. Popov, A. A. Tsaturyan, Igor N. Shcherbakov
Publikováno v:
Russian Journal of General Chemistry. 84:676-681
2-Imidazolinylhydrazones of salicylic aldehyde, 2-N-tosylaminobenzaldehyde, and 1-phenyl-3-methyl-4-formylpyrazolone-5 are synthesized and studied by the IR, NMR, and electronic spectroscopy. Quantum chemical calculations of geometry and total energy