Zobrazeno 1 - 10
of 19
pro vyhledávání: '"G N, Tishchenko"'
Publikováno v:
Crystallography Reports. 46:631-635
The crystal and molecular structures of a chiral cyclic iodonium salt, namely, 3,10-dimethyl-10H-dibenzo[b,e]iodinium tetrafluoroborate, is solved by the direct method (a = 20.678(5) A, b = 20.738(5) A, c = 8.408(2) A, γ =120.404(5)° Z = 4, sp. gr.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e907f5da4d6ca838a088b3455b96e66a
https://doi.org/10.1134/1.1387129
https://doi.org/10.1134/1.1387129
Autor:
N. E. Zhukhlistova, G. N. Tishchenko
Publikováno v:
Crystallography Reports. 46:56-59
The structure of a new crystalline modification (II) of 4-amino-5-ethoxymethyl-1,2-dimethylpyrimidinium iodide, C9H16IN3O, the major product of methylation of 4-amino-5-ethoxymethyl-2-methylpyrimidine has been determined. The lattice parameters are a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::267f939e72fedf8d399c020ef84041e8
https://doi.org/10.1134/1.1343127
https://doi.org/10.1134/1.1343127
Autor:
N. E. Zhukhlistova, G. N. Tishchenko
Publikováno v:
Crystallography Reports. 45:619-625
The crystal structure of the cyclic hexadepsipeptide antibiotic enniatin Cc[-(L-MeLeu-D-Hyi)3-], C34H59N3O9, was established by X-ray structure analysis (sp. gr. P21, a = 20.205(5) A, b = 8.702(2) A, c = 25.587(6) A, γ = 97.0(5)°, V = 4465.3(18) A3
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::619237aa869eed02b0783194200e1806
https://doi.org/10.1134/1.1306573
https://doi.org/10.1134/1.1306573
Autor:
V. I. Smirnova, N. E. Zhukhlistova, A. S. Nakhmanovich, L. N. Il'icheva, Valentina N. Elokhina, G. N. Tishchenko, I. D. Kalikhman
Publikováno v:
ChemInform. 25
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ef1b5053e41b415a200c1e278cfd1f85
https://doi.org/10.1002/chin.199419148
https://doi.org/10.1002/chin.199419148
Publikováno v:
Bioorganicheskaia khimiia. 18(3)
The crystal structure of the membrane-active antibiotic-cyclopeptide gramicidin S complex with urea was determined by the X-ray structure analysis. The gramicidin S molecule possesses an antiparallel beta-structure, its slightly twisted 30-membered c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::3edac55d44103ebb480e801cd29745c3
https://pubmed.ncbi.nlm.nih.gov/1381919
https://pubmed.ncbi.nlm.nih.gov/1381919
Publikováno v:
Acta Crystallographica Section A Foundations of Crystallography. 49:c132-c133
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fdfeaca9d710a805cc1b97ebdd1cd372
https://doi.org/10.1107/s010876737809618x
https://doi.org/10.1107/s010876737809618x
Publikováno v:
Chemistry of Natural Compounds. 15:308-314
The three-dimensional structure of the alkaloid sophoridine C15H24ON2 has been studied by x-ray structural analysis; the parameters of the elementary cell are: a=5.458, b=10.640, c=11.989 A; γ=99.7°; z=2; space group P22. The experimental set was o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::068721612cb8a6ff6de4d8a6482e3ee4
https://doi.org/10.1007/bf00566082
https://doi.org/10.1007/bf00566082
Autor:
Samat Talipov, T. F. Aripov, Yu. K. Kushmuradov, S. Kuchkarov, Bakhtiyar T. Ibragimov, G. N. Tishchenko
Publikováno v:
Chemistry of Natural Compounds. 17:546-551
The structure of tetrahydroneosophoramine has been studied by x-ray structural analysis. Rings A, B, and C have the chair conformation, and ring D the half-chair conformation. On the basis of a semiquantitative analysis it has been shown that the str
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::110b04a62d61bdd25649d3fbd5a3a085
https://doi.org/10.1007/bf00574374
https://doi.org/10.1007/bf00574374
Publikováno v:
Chemistry of Natural Compounds. 17:340-344
A complete x-ray study of the structure of a stereoisomer of the alkaloid matrine -isosophoridine - has been made. Rings A and B have the cis type of linkage. Rings A, B, and C have the chair form and D the half-chair form.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::436e80d4cb540471a8852c8d2eeb9e33
https://doi.org/10.1007/bf01185262
https://doi.org/10.1007/bf01185262
Publikováno v:
Chemistry of Natural Compounds. 18:66-69
The stereoisomerism of compounds of the matrine series is considered on the basis of the authors' own x-ray structural studies of these alkaloids. A corrected series of eight stereoisomers has been drawn up. It has been shown that the numbers of theo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4b41be018c2c1c5cb78da9fad75a9fae
https://doi.org/10.1007/bf00581599
https://doi.org/10.1007/bf00581599