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Triazines chelating ligands

Several square planar complexes have been characterized with chelating ligands derived from aromatic triazine 1-oxides of general formula ArNHN=N(R)0 (HL).2501,2502 The structure of some complexes has been determined by means of X-ray analysis (344).2503... [Pg.214]

Many synthetic 1,2,4-triazines are also of practical importance. Compound 328 proved to be one of the best chelating ligands for iron(ii), while tetracyclic derivative 329 is a dyestuff (Figure 18) <1998HOU(E9c)582, 2004SOS(17)357>. [Pg.181]

Macromolecular ligands (e.g., proteins) [224], polysaccharides [225], small ligands (e.g., triazine dyes) [226], metal chelates [227], and inhibitors [228] can provide unparalleled selectivity in forming Hgand-Hgate affinity complexes. [Pg.162]

Primary effect affinity precipitation is best suited for the purification of proteins showing multiple-point interaction with some of the above mentioned small affinity ligands. Typical target substances for primary effect affinity precipitation are, for example, enzymes, which interact with triazine dyes such as Cibacron blue, but also proteins rich in surface histidine residues, since these protein show strong interaction with immobilized (chelated) transition metal ions such as copper or zinc. The latter effect can be used in a very general manner since the introduction of so-called histidine-tags (i.e., multiple histidine sites) into recombinant proteins is a routine procedure, which normally has litde or no influence on the biological activity of the protein. ... [Pg.44]


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See also in sourсe #XX -- [ Pg.2 , Pg.203 ]




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