نتایج جستجو برای: complex compounds
تعداد نتایج: 993258 فیلتر نتایج به سال:
introduction: this report describes the synthesis of 2-amino-2-deoxy(s-benzoylthioacetyl)-d-glucose (s-bz-ta-dg), radiolabeled with [99mtc(co)3(oh2)3]+ complex with a procedure including deprotection of the benzoyl group, characterization by hplc using a c18 reverse phase column and preliminary biodistribution study in normal mice. methods: [99mtc(co)3(h2o)3]+ complex was used to label ta-dg w...
Real-world ontologies such as, for instance, those for the medical domain often represent highly specific, fine-grained concepts using complex labels that consist of a sequence of sublabels. In this paper, we investigate the problem of automatically detecting meaningful compounds in such complex class labels to support methods that require an automatic understanding of their meaning such as, fo...
Dedicated to Professor Heribert Offermanns on the occasion of his 75th birthday The title compound (H2tpsac) was synthesized from 6-bromosaccharin and 3,3′′-bis(bromomethyl)-m-terphenyl. The ability of tpsac to serve as a tetradentate bis-bridging ligand was demonstrated by the formation of the dinuclear ruthenium(I,I) complexes [Ru2(CO)5(μ ,μ-tpsac)]2, [Ru2(CO)4(μ ,μ-tpsac)]n, [Ru2(CO)4(PPh3)2...
the role of cu, zn and co in human physiology is well documented. isatin and glycine have inhibitory effects on central nervous system. to capitalize on these features metal complexes of isatin-3-glycine were prepared and evaluated for anticonvulsant activity. the cu (ii) complex was found to be most active among the compounds. the compounds were screened against staphylococcus aureus, escheric...
the complex-forming ability of 2-methyl-3-hydroxypyran-4-one ( 1a ), 2-ethyl-3-hydroxypyran-4-one ( 1b ), 1,2-dimethyl-3-hydroxypyridin-4-one ( 4a ) and 1-ethyl-2-methyl-3-hydroxypyridin-4-one ( 4b ) with nickel(ni(ii)) were characterized by infrared, ultraviolet, proton nuclear magnetic resonance spectroscopy and melting point. the mole-ratio of nickel:ligands was analyzed by atomic-absorption...
Preparation and uses of quinaldinium dichromate and its polymeric analogue poly (2- vinylquinolinium) dichromate as the new monomeric and polymeric oxochromium-amine complex reagents for oxidizing variousorganic compounds, with emphasis on the latter, are described
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