Zobrazeno 1 - 10
of 20
pro vyhledávání: '"D. Yu. Strel'nik"'
Publikováno v:
ChemInform. 22
Publikováno v:
ChemInform. 23
Autor:
Sh. K. Latypov, A. V. Il'yasov, N. N. Gorshkova, Vladimir V. Klochkov, E. N. Klimovitskii, D. Yu. Strel'nik, G. N. Sergeeva
Publikováno v:
ChemInform. 24
Publikováno v:
Journal of Molecular Structure. 268:321-334
Raman spectroscopy has been applied to the title compounds; dithiaketals of acetone, methyl-ethylketone, ethylketone, pinacolone, cyclohexanone and fluorenone. A three-component chair⇋boat⇋twist-boat boat conformational equilibrium has been estab
Autor:
A. V. Il'yasov, G. N. Sergeeva, K. M. Enikeev, D. Yu. Strel'nik, B. A. Arbuzov, E. N. Klimovitskii
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 35:971-974
1. 2-Methyl-2-phenyl-1,3-dioxa-5,6-benzocycloheptene and its isomeric 4-methyl-substituted derivatives exist in the twist conformation. 2. In the PMR of these compounds the benzyl protons and 4-methyl groups are coupled and the screening influence of
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 35:975-979
1. By graphic processing of the dipole moments of cis-2-aryl-4-R-1,3-dioxa-5,6-benzo-cycloheptenes replacement of the H atom by Me(Ph) at C-4 was shown not to change the position of chair-twist equilibrium. 2. The chair-chair conformational energy an
Autor:
P. N. Sobolev, E. N. Klimovitskii, R. R. Shagidullin, B. A. Arbuzov, D. Yu. Strel'nik, I. Kh. Shakirov
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 38:1852-1856
The equilibrium between the chair and boat forms of 1,3-dithia-5,6-benzocycloheptene and its 2-Me, t-Bu, and Ph derivatives has been established by Raman and IR spectroscopy, and their spectroscopic characteristics have been revealed. In liquids the
Publikováno v:
Chemischer Informationsdienst. 17
Publikováno v:
ChemInform. 19
Publikováno v:
Chemistry of Heterocyclic Compounds. 23:816-816