Zobrazeno 1 - 10
of 23
pro vyhledávání: '"G. P. Moiseeva"'
Autor:
G. P. Moiseeva, B. Kh. Abduazimov
Publikováno v:
Chemistry of Natural Compounds. 26:630-635
Stereochemical features of the structure of the germacrane lactones have been investigated. By correlating the circular dichroism and the results of x-ray structural analyses of the germacranolides with different types of linkage of the lactone ring
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::163867c3f02811709948b2152018f319
https://doi.org/10.1007/bf00630070
https://doi.org/10.1007/bf00630070
Publikováno v:
Chemistry of Natural Compounds. 26:308-312
The circular dichroism method has been used to establish the stereochemical features of the structure of the withasteroids. The 22S-configuration of the asymmetric center has been confirmed for physangulide. The 22R-configuration has been confirmed f
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7478c21e4c5c4070ae4960dacfe66ab5
https://doi.org/10.1007/bf00597856
https://doi.org/10.1007/bf00597856
Publikováno v:
Chemistry of Natural Compounds. 23:186-192
Twelve epoxy acids have been detected in the seed lipids ofGaleopsis bifida Boenn. (family Lamiaceae). Their structures have been established by TLC, GLC, periodate-permanganate oxidation, hydrogenation, ORD, and UV, IR, and mass spectrometry. Three
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::113ad17f2ad885fbbb2b3479442eeb37
https://doi.org/10.1007/bf00598754
https://doi.org/10.1007/bf00598754
Autor:
Z. S. Yunusova, G. P. Moiseeva
Publikováno v:
Chemistry of Natural Compounds. 23:213-216
Work has continued on the study of the conformational transitions of gossypulin from the seeds of the cotton plant under various conditions. The denaturation of gossypulin as a function of the pH of the medium and the influence of salts (sodium chlor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::47f869dd800d79b1b8e911883e2956ad
https://doi.org/10.1007/bf00598761
https://doi.org/10.1007/bf00598761
Publikováno v:
Chemistry of Natural Compounds. 22:577-581
The CD spectra of a number of natural and synthetic cycloartane ketones have been studied. The influence of 6α-hydroxy group on the Cotton effect due to a 3-keto function has been found. The Cotton effect has been determined for 6-oxo-and 11-oxocycl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::17103020aaab0f1ea64b75b9866ef442
https://doi.org/10.1007/bf00599265
https://doi.org/10.1007/bf00599265
Publikováno v:
Chemistry of Natural Compounds. 22:676-680
The absolute configurations of the asymmetric centers in the natural alkaloids nitramine (6R,7eS), isonitramine (6S, 7eS), and sibirine (6R,7eR) have been established by the circular dichroism method using the octant rule.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ac603fa3911f29cc76b9f043d9936c9c
https://doi.org/10.1007/bf00598349
https://doi.org/10.1007/bf00598349
Publikováno v:
Chemistry of Natural Compounds. 25:54-57
A study has been made of the gossypol pigments of the seeds and roots of a cotton plant of the variety Tashkent-1 infected with wilt in comparison with a healthy plant. The amount of gossypol in the infected plant was lower than in the healthy plant.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::534b422eb9d041ac2c7dca2d77382edd
https://doi.org/10.1007/bf00596700
https://doi.org/10.1007/bf00596700
Publikováno v:
Chemistry of Natural Compounds. 20:325-330
The biosynthesis of the 11S and 7S globulins — the main reserve proteins of cotton seeds — has been investigated. The periods at which the globulins appear in cotton seeds have been established. The changes in the amino acid composition and in th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d31bcba76bef5f1be08d00388009ce87
https://doi.org/10.1007/bf00575760
https://doi.org/10.1007/bf00575760
Publikováno v:
Chemistry of Natural Compounds. 15:723-727
The circular dichroism (CD) method has been used to study the stereochemistry of the bisbenzyltetrahydroisoquinoline alkaloids. A relationship has been established between the absolute configurations of the asymmetric centers and the parameters of th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9985406c51664a9fd930e456542c29e2
https://doi.org/10.1007/bf00565572
https://doi.org/10.1007/bf00565572
Publikováno v:
Chemistry of Natural Compounds. 22:163-166
The CD spectra of a series of germacranolides have been considered, and the parameters of the Cotton effects observed have been correlated with the stereochemistries of the compounds studied. The applicability for germanocranolides of the Waddell-Sto
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a9e3df59fe64c405f220d13568db23c
https://doi.org/10.1007/bf00574730
https://doi.org/10.1007/bf00574730