Zobrazeno 1 - 10
of 163
pro vyhledávání: '"Shtepanek, As"'
Publikováno v:
ChemInform. 23
Publikováno v:
Journal of Structural Chemistry. 31:840-842
Publikováno v:
Theoretical & Experimental Chemistry; Mar1986, Vol. 22 Issue 2, p162-167, 6p
Publikováno v:
Bulletin of the Academy of Sciences of The USSR, Division of Chemical Science; 1986, Vol. 35 Issue 9, p1821-1825, 5p
Publikováno v:
Bulletin of the Academy of Sciences of The USSR, Division of Chemical Science; 1984, Vol. 33 Issue 4, p732-737, 6p
Autor:
Tkachev, V., Podgornyi, A., Zasorina, V., Shtepanek, A., Lukoyanov, N., Van'kin, G., Atovmyan, L., Pinchuk, A., Raevskii, O.
Publikováno v:
Bulletin of the Academy of Sciences of The USSR, Division of Chemical Science; 1988, Vol. 37 Issue 11, p2323-2325, 3p
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 33:732-737
1. On the basis of a study of vibrational spectra, it has been shown that in dibenzomethylphosphonyl-14-crown-5 and dibenzomethylthiophosphonyl-14-crown-5, the total number of effective electron-donor centers is smaller than in dibenzo-18-crown-6. 2.
Publikováno v:
Theoretical and Experimental Chemistry. 22:162-167
A study has been made for the first time of the transport of an iron(III) salt through a dichloroethane liquid membrane involving, by means of macrocyclic compounds containing donor oxygen, nitrogen, and sulfur atoms as well as certain functional gro
Autor:
L. O. Atovmyan, G. V. Sazonova, A. S. Shtepanek, V. A. Zasorina, Valery V. Tkachev, G. G. Talanova
Publikováno v:
Journal of Structural Chemistry. 30:445-449
Molecular structure of dibenzoylmethylphosphonyl-14-crown-5 in the crystalline state and in solution
Autor:
O. A. Raevskii, I. O. Umarova, L. O. Atovmyan, T. N. Kudrya, Valery V. Tkachev, A. S. Shtepanek
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 35:1821-1825
1. Dibenzomethylphosphonyl-14-crown-5 in the crystalline state has a conformation with unaligned orientation of the unshared electron pairs of the donor atoms. 2. A conformation more favorable for complexation is realized in solution in addition to t