Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Yu. K. Kushmuradov"'
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. 13:451-454
On the basis of spectral characteristics and chemical transformations, a new alkaloid with the composition C15H22O2N2 isolated fromSophora alopecuroides has been assigned the most probable structure of 13,14-dehydrosophoridine N-oxide.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::45b929ea4da32432b6714bbb0685a4fa
https://doi.org/10.1007/bf00565835
https://doi.org/10.1007/bf00565835
Publikováno v:
Chemistry of Natural Compounds. 17:552-557
The molecular and crystal structure of lehmannine in its monohydrate has been studied by x-ray structural analysis. Rings A, B, and C have the chair form and ring D the half-chair form in which the deviations of the atoms from their mean-square plane
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::32ff85015e86ab2c9de139ac9a63e1fd
https://doi.org/10.1007/bf00574375
https://doi.org/10.1007/bf00574375
Publikováno v:
Chemistry of Natural Compounds. 13:207-210
The interconversions of the alkaloids of Sophora alopecuroides L. have been studied by feeding the plants with tritium-labelled alkaloids ([3H]sophoridine, [3H]pachycarpine, [3H]cytisine, [3H]isosophoridine, [3H]allomatrine, and [3H]N-methylcytisine)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::84039247bc255684b826cf60414e7564
https://doi.org/10.1007/bf00563949
https://doi.org/10.1007/bf00563949
Publikováno v:
Chemistry of Natural Compounds. 17:439-442
A new base — sophorine, with mp 59–60°C, [α]D23-18.9° (c 0.98; ethanol) — has been isolated from the epigeal part of the plantSophora alopecuroides L. Its IR spectrum and the nature of its mass spectrometric composition have permitted sophor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b8f8418f3d26b850d84e26252b0b60a5
https://doi.org/10.1007/bf00565158
https://doi.org/10.1007/bf00565158
Publikováno v:
Chemistry of Natural Compounds. 17:432-436
In an investigation of the three-dimensional structure of the alkaloid matrine by x-ray structural analysis, a new stereoisomer of it has been detected, which has been called cis-matrine. In cis-matrine rings C and D are cis-linked, while the configu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::517fcb3f502e966a9f4293b3ceafa1b2
https://doi.org/10.1007/bf00565156
https://doi.org/10.1007/bf00565156
Publikováno v:
Chemistry of Natural Compounds. 12:696-699
The biosynthesis of the alkaloids ofAmmothamnus lehmannii Bge. have been studied by supplying the plants with [1,5-14C2] cadaverine. It has been shown that cadaverine is a precursor of sophocarpidine, sophocarpine, and pachycarpine. Possible routes o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cf77720d6da90d6d88a333d53cdb7ccb
https://doi.org/10.1007/bf00564962
https://doi.org/10.1007/bf00564962
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