Zobrazeno 1 - 10
of 44
pro vyhledávání: '"M I, Rudnev"'
Publikováno v:
Journal of Analytical Chemistry. 66:1276-1280
Electrospray ionization mass spectrometry has been used to study the self-association of α-hederin and hederacoside C (from Hedera) glycosides. The complexation of glycosides with cholesterol has been considered. It has been revealed that α-hederin
Publikováno v:
Russian Journal of Bioorganic Chemistry. 37:858-861
Self-association of caffeine has been investigated using mass spectrometry. It was found that associates are composed of caffeine trimers and hexamers. The possibility of complex formation of caffeine with triterpene glycosides 3-O-α-L-rhamnopyranos
Publikováno v:
Chemistry of Natural Compounds. 46:49-52
Self-association of hederagenin 3-O-α-L-rhamnopyranosyl-(1→2)-O-α-L-arabinopyranoside (α-hederin) and its 28-O-α-L-rhamnopyranosyl-(1→4)-O-β-D-glucopyranosyl-(1→6)-O-β-D-glucopyranosyl ether (hederacoside C) with cholesterol was studied u
Autor:
Vladimir I. Minkin, O. V. Ryabtsova, M. I. Rudnev, S. N. Borisenko, N. I. Borisenko, E. V. Vetrova, A. V. Bicherov, A. V. Lekar
Publikováno v:
Russian Journal of Physical Chemistry B. 3:1113-1116
The interaction of veratrole and paraform in a subcritical water medium was studied and the macrocyclic compounds (cyclotriveratrylene and cyclotetraveratrylene) were obtained in a ratio of 94: 6. The formation of the aforementioned compounds is conf
Publikováno v:
Journal of Analytical Chemistry. 60:719-722
IR spectra of mixtures of mineral oil and isopropyl myristate modeling motor oils with different concentrations of esters were studied. A relationship between the absorption band intensities at 1737, 1180, and 1110 cm−1 and the ester concentration
Autor:
N. I. Borisenko, E. V. Vetrova, R. N. Borisenko, S. N. Borisenko, A. V. Bicherov, Vladimir I. Minkin, A. V. Lekar, O. V. Pavlyuk, M. I. Rudnev
Publikováno v:
Russian Journal of Physical Chemistry B. 3:1131-1133
The isomerization of a non-racemic mixture of glaucine isomers to des-glaucine (seco-glaucine) in a subcritical water medium at 200–300°C was conducted with a yield of 53%. The structure of the product was confirmed by NMR spectroscopy and electro
Publikováno v:
Russian Chemical Bulletin. 45:1934-1938
4-Dimethy(amino-5-methoxynaphthylmethyl carbocation generated from 1-hydroxy methyl-4-dimethylamino-5-methoxynaphthalene in trifluoroacetic acid behaves as both diene and dienophile and undergoes (4π + 2π) cycloaddition to give an asymmetrical spir
Publikováno v:
Chemistry of Heterocyclic Compounds. 30:1182-1186
When O-picrylhydroxylamine is reacted with 1-methoxymethyl and 1-acetyl derivatives of imidazole, benzimidazole, 2-cyanomethylbenzimidazole, and perimidine, 1-amino-3-R-imidazolium, −benzimidazolium and −perimidinium picrates are formed (R = CH3O
Publikováno v:
ChemInform. 26
Publikováno v:
ChemInform. 28