Zobrazeno 1 - 10
of 61
pro vyhledávání: '"F. G. Kamaev"'
Publikováno v:
Russian Journal of Organic Chemistry. 48:943-947
According to the 1H NMR data, the condensation product of gossypol with 4-aminoantipyrine in chloroform-d exists in the imine form, while in DMSO-d 6, as the enamine tautomer. The condensation product of 2-hydroxynaphthalene-1-carbaldehyde with 4-ami
Autor:
K. Z. Tilyabaev, Samat Talipov, F. G. Kamaev, Bakhtiyar T. Ibragimov, N. L. Vypova, Abdurasul Yuldashev
Publikováno v:
Russian Journal of Bioorganic Chemistry. 36:390-395
Nonsymmetrical aldehyde derivatives of gossypol, a yellow polyphenolic pigment of cottonseed, were synthesized by reactions with ammonia, aniline, 4-aminoantipyrine, and barbituric acid. Their structures were determined by UV spectrophotometry and IR
Autor:
T. F. Aripov, Bakhtiyar T. Ibragimov, F. G. Kamaev, I. I. Tukfatullina, A. M. Yuldashev, K. Z. Tilyabaev, B. A. Salakhutdinov, Samat Talipov, Michael K. Dowd, A. Mamadrakhimov
Publikováno v:
Chemistry of Natural Compounds. 44:440-445
A novel asymmetric gossypol derivative was synthesized. The antioxidant activity of gossypol and certain of its derivatives at the aldehyde groups and the interaction of these compounds with model membranes were studied. It was shown that the antirad
Autor:
A. B. Soliev, Sh. I. Salikhov, N. I. Zakirova, A. Yu. Abramov, Z. A. Khushbaktova, M. S. Tashmukhamedov, I. V. Usanova, Vladimir Nikolaevich Syrov, F. G. Kamaev, Sh. Ya. Mirzaakhmedov
Publikováno v:
Pharmaceutical Chemistry Journal. 41:600-604
The chemical composition of bufadienolides isolated from the venom of Bufo viridis green toad occurring in Central Asia was determined and their biological properties were studied. Six individual bufadienolides were isolated by reverse-phase chromato
Autor:
N. I. Baram, Kh. L. Ziyaev, M. G. Levkovich, A. I. Ismailov, K. Zh. Rezhepov, A. M. Saiitkulov, F. G. Kamaev
Publikováno v:
Chemistry of Natural Compounds. 39:358-361
Azo-coupling of diazotized aromatic amines with gossypol and gossypolimines was studied. The physicochemical properties and interferon-inducing activity of the products were determined. It was found that the interferon-inducing activity depended on t
Publikováno v:
Chemistry of Natural Compounds. 39:349-355
The chemical composition of polyphenols from grape seeds was studied. It has been found that they contain four catechins and two proanthocyanidins. The probable structure of the proanthocyanidins was proposed on the basis of physicochemical investiga
Publikováno v:
Russian Journal of Bioorganic Chemistry. 38:435-437
The synthesis of substituted and unsubstituted 3-phenoxycoumarins is described.
Publikováno v:
Russian Journal of Bioorganic Chemistry. 38:335-337
Structural analogues of natural flavonoids and flavolignans - new 2'-OAc-chalcones and 2-hetaryl-3-aminochromons with the remnants of a 6-halogen-1,3-benzodioxane, 1,4-benzodioxane and 1,5-benzodioxepan were synthesized. Structure of the obtained com
Autor:
Irene M. Mavridis, Petros Giastas, Bakhtiyar T. Ibragimov, F. G. Kamaev, T. F. Aripov, I. I. Tukfatullina, D. N. Dalimov, A. Zh. Dzhuraev, L. Yu. Izotova, B. A. Salakhutdinov, R. Kh. Ziyatdinova
Publikováno v:
Chemistry of Natural Compounds. 38:249-256
Derivatives of 3-O-acetyl-18-βH-glycyrrhetic acid were synthesized. Their structures and membrane activities were studied.
Publikováno v:
Chemistry of Natural Compounds. 38:319-322
New azo-derivatives of gossypol and its imines were described. Their physicochemical properties and data on their interferon-inducing activity were presented.