Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Yu. G. Chernov"'
Publikováno v:
Chemistry of Natural Compounds. 47:592-596
(Z)- and (E)-3-(2-chloropyridin-5-ylmethyl)oximino-(22E,24R)-ergosta-4,7,22-trienes (5–6) were synthesized by chemical transformation of ergosterol. Several oxidative transformations of them were studied. It was found that oxidation of these compou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::67145bf0abc78d2b659b2bac757ae12f
https://doi.org/10.1007/s10600-011-0003-5
https://doi.org/10.1007/s10600-011-0003-5
Publikováno v:
Chemistry of Natural Compounds. 46:750-755
New derivatives of steroidal 6-ketoximes containing α-chloropyridine neonicotinoid groups characteristic of bioactive compounds were synthesized by formation of oximes of cholestane and stigmastane 3β,5-dihydroxy-6-ketosteroids with O-(2-chloropyri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::229112b2426c81198390517c03b13c66
https://doi.org/10.1007/s10600-010-9732-0
https://doi.org/10.1007/s10600-010-9732-0
Autor:
N. Sh. Ramazanov, Yu. G. Chernov, I. D. Bobaev, S. N. Sokolov, N. V. Kovganko, Z. R. Utaeva, Zh. N. Kashkan
Publikováno v:
Chemistry of Natural Compounds. 45:385-388
New esters 2-5 that contain 6-chloropyridine groups characteristic of the alkaloid epibatidine were prepared by acylation of 20-hydroxyecdysone (1) by 6-chloronicotinoylchloride.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9c2954cb8e3aa0c7e2352acbd76b5e42
https://doi.org/10.1007/s10600-009-9338-6
https://doi.org/10.1007/s10600-009-9338-6
Publikováno v:
Chemistry of Natural Compounds. 45:200-204
New esters of 3β,5α,6β-trihydroxysteroids and 3β,5-dihydroxy-6-ketosteroids containing 6-chloropyridine groups characteristic of the alkaloid epibatidine were synthesized by acylation with 6-chloronicotinoylchloride.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2144e1727e492d1d576b6f9231d73fcc
https://doi.org/10.1007/s10600-009-9265-6
https://doi.org/10.1007/s10600-009-9265-6
Publikováno v:
Chemistry of Natural Compounds. 45:205-208
New steroid derivatives containing 6-chloropyridine groups characteristic of the alkaloid epibatidine and neonicotinoid insecticides were synthesized by reacting 3β,5α,6β-trihydroxysteroids or 3β,5-dihydroxy-6ketosteroids with 2-chloro-5-chlorome
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6a074bee4e5c1332d2d729a8fbe13c53
https://doi.org/10.1007/s10600-009-9266-5
https://doi.org/10.1007/s10600-009-9266-5
Autor:
N. V. Kovganko, O. V. Sviridov, T. S. Serchenya, Yu. G. Chernov, E. P. Kiseleva, K. I. Mikhailopulo, T. M. Tsvetkova
Publikováno v:
Journal of Applied Spectroscopy. 75:857-863
We have used fluorescence spectroscopy methods to show that imidacloprid and its structural analogs form complexes with human serum albumin (HSA). The nature of the spectral changes in the ligand×protein systems and the calculated complexation param
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f4f3d2d151d52d929b3757b0551fbe50
https://doi.org/10.1007/s10812-009-9120-3
https://doi.org/10.1007/s10812-009-9120-3
Publikováno v:
Chemistry of Natural Compounds. 39:411-437
Literature data published in 1998-2002 on the chemical synthesis of ecdysteroids and their structural analogs were reviewed.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2026cbb832c618bd99815d3f251dcd62
https://doi.org/10.1023/b:conc.0000011114.96205.98
https://doi.org/10.1023/b:conc.0000011114.96205.98
Publikováno v:
Chemistry of Natural Compounds. 47:944-946
The new ecdysteroid derivative 20-hydroxyecdysone O-(2-chloropyridin-5-ylmethyl)oxime (3) was synthesized via the reaction of 20-hydroxyecdysone (1) and O-(2-chloropyridin-5-ylmethyl)hydroxylamine (2) in Py in the presence of SnCl4.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::230b3de491e696599dd1f300476def20
https://doi.org/10.1007/s10600-012-0110-y
https://doi.org/10.1007/s10600-012-0110-y
Publikováno v:
Chemistry of Natural Compounds. 38:167-170
The toxicity of steroids 1-14 for Colorado beetle (Leptinotarsa decemlineata Say.) larvae was studied by a contact-intestinal method. The most active are 3β,5α-dihydroxy-6-ketone 4a and 5α-hydroxy-3,6-diketone 8a.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0e70130c16a7bc5caac119b198e57c5a
https://doi.org/10.1023/a:1019644115900
https://doi.org/10.1023/a:1019644115900
Publikováno v:
Journal of Applied Spectroscopy. 69:58-61
The intramolecular hydrogen bond in steroid 5‐hydroxy‐6‐ketones and 5‐hydroxy‐6‐ketoximes of the stigmastane series has been investigated by the method of IR spectroscopy. It is shown that 5β‐hydroxy groups in cis‐A/B‐steroids are
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7335565f6b6d16fd1c77d3d9cf7b834d
https://doi.org/10.1023/a:1015307624638
https://doi.org/10.1023/a:1015307624638