Zobrazeno 1 - 10
of 22
pro vyhledávání: '"L. B. Senyavina"'
Autor:
K. K. Koshoev, S. N. Ananchenko, L. P. Zhebeleva, L. B. Senyavina, A. O. Lailiev, I. V. Torgov
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 24:1064-1068
1. The reduction of the 17-keto group in ketol (II) with LiAlH4 gives predominantly the 17α-diol (VI), whereas the similar reduction with NaBH4 leads to a mixture of the 17β- and 17α-diols (VII) and (VI) in a 5∶4 ratio. 2. The catalytic hydrogen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c413c4cb472dd2e958788c62d7d25fad
https://doi.org/10.1007/bf00922966
https://doi.org/10.1007/bf00922966
Autor:
G. I. Yakovlev, I. I. Chervin, L. B. Senyavina, A. A. Sanasaryan, S. V. Sychev, Yu.A. Ovchinnikov, Vadim T. Ivanov, E. I. Vinogradova, L. A. Fonina
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 23:2225-2232
1. Employing the optical rotation dispersion, IR, and NMR spectroscopy methods, a study was made of the conformation states of some valinomycin analogs with modified side chains, and also of their K+ complexes. 2. A change in the side chains of valin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7707073a48aa1d0bf71cea3be0def110
https://doi.org/10.1007/bf00921292
https://doi.org/10.1007/bf00921292
Publikováno v:
Chemistry of Natural Compounds. 1:310-314
1. A direct comparison of albonoursin with “component 2” isolated from the producing agent of phalamysin (a mutant ofActinomyces noursei) has established their identity. 2. Phenylpyruvic acid and acetone have been identified as products of the ac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ba06f405f39e1ae2fbbeba8a74e6c8a4
https://doi.org/10.1007/bf00568300
https://doi.org/10.1007/bf00568300
Autor:
L. V. Rybin, M. I. Rybinskaya, G. L. Slonimskii, L. B. Senyavina, V. S. Palkov, A. N. Nesmeyanov
Publikováno v:
Bulletin of the Academy of Sciences, USSR Division of Chemical Science. 15:1699-1703
1. Methods were developed for the preparation of cis- and trans-3-benzoylacrylonitriles. 2. The geometric configurations of these isomers were established on the basis of chemical correlations and measurements of the IR and NMR spectra and of dipole
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dac4324aa71703da36b5c5819801a0d5
https://doi.org/10.1007/bf00848706
https://doi.org/10.1007/bf00848706
Publikováno v:
Bulletin of the Academy of Sciences, USSR Division of Chemical Science. 15:1541-1545
1. By the Claisen — Schmidt condensation of dehydroacetic acid with substituted benzaldehydes the corresponding substituted 3-cinnamoyl-4-hydroxy-6-methyl-2H-pyran-2-ones were obtained. In all cases a mixture of cis- and trans-isomers was formed. I
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::967471f62a464ab65f2072de834bbf36
https://doi.org/10.1007/bf00848912
https://doi.org/10.1007/bf00848912
Autor:
V. D. Vil'chevskaya, Marina I. Struchkova, Yu. N. Sheinker, N. S. Kochetkova, L. B. Senyavina, A. N. Nesmeyanov
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 11:1901-1907
1. In a study of the infrared and ultraviolet spectra of o-carboxybenzoylferrocene and some of its derivatives it was shown that both in the crystals and in solutions these substances exist in the open carboxy form and, within the limits of the sensi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d3a9884a2b703e33e036bc08b3267a0c
https://doi.org/10.1007/bf00921344
https://doi.org/10.1007/bf00921344
Autor:
E. N. Meshcheryakova, Yu.A. Ovchinnikov, Anatoly I. Miroshnikov, N. N. Uvarova, V. A. Zabrodin, Vladimir F. Bystrov, K. Kh. Khalilulina, S. A. Koz'min, Vadim T. Ivanov, L. B. Senyavina
Publikováno v:
Chemistry of Natural Compounds. 9:353-365
1. A preferred conformation of antamanide in nonpolar solvents has been proposed with the aid of a wide group of physicochemical methods and theoretical analyses. 2. On the basis of spectroscopic results, the hypothesis has been put forward of the ex
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7d9f5bdb647e7c6acc16439474c1ce9e
https://doi.org/10.1007/bf00565693
https://doi.org/10.1007/bf00565693
Autor:
Vladimir F. Bystrov, Yu.A. Ovchinnikov, L. B. Senyavina, Anatoly I. Miroshnikov, N.D. Abdullaev, E.N. Shepel, E. S. Efremov, Vadim T. Ivanov
Publikováno v:
Biochemical and Biophysical Research Communications. 39:217-225
Conformational study of gramicidin S and N,N′-diacetyl gramicidin S has been carried out by a number of techniques. Optical rotatory dispersion measurements showed both cyclodecapeptides to possess similar conformations in different solvents. Quant
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e965850235d93aa9aa5ee1ad10d1af24
https://doi.org/10.1016/0006-291x(70)90781-3
https://doi.org/10.1016/0006-291x(70)90781-3
Publikováno v:
Bulletin of the Academy of Sciences of the USSR Division of Chemical Science. 11:724-730
1. Absorption bands have been found in the infrared spectra of lactones of cis- and trans-2-oxycyclohexylacetic acid and their functional derivatives, the location of which depends on the configuration at the place where the lactone and cyclohexane r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::564195002eb0622c80b29c665c41956d
https://doi.org/10.1007/bf00905290
https://doi.org/10.1007/bf00905290
Autor:
V. V. Shilin, G. A. Kogan, L. B. Senyavina, Yu.A. Ovchinnikov, E. N. Meshcheryakova, Vadim T. Ivanov, E. S. Efremov
Publikováno v:
Tetrahedron Letters. 12:2841-2844
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::13d85ccbf703b774c17b66777ff54097
https://doi.org/10.1016/s0040-4039(01)97058-3
https://doi.org/10.1016/s0040-4039(01)97058-3