نتایج جستجو برای: coiii complexes
تعداد نتایج: 137228 فیلتر نتایج به سال:
Two new dinuclear, [Co(3EtO-L5)(m-CN)Mn(L4a)Cl] (1) and [Co(3EtO-L5)(m-CN)Mn(L4a)Br] (2), and two trinuclear [{Co(3EtO-L5)(m-CN)}2Mn(L4a)]I (3) and [{Co(3EtO-L5)(m-CN)}2Mn(L4a)](NO3) (4) complexes were prepared and thoroughly characterized (H23EtO-L5 1⁄4 N,N0-bis(3-ethoxy-2-hydroxybenzylidene)1,6-diamino-3-azahexane, L4a 1⁄4 N,N0-ethane-bis(salicylideneiminate)dianion). The crystal structures w...
چکیده: در این پایان نامه، لیگاند جدید h2me-salabza و همچنین کمپلکس هایی با کاربردهای الکتروشیمیایی و بیوشیمیایی با فرمول های : (1) [cuii (me-salabza)] (3) [coiii(me-salabza)(py)2]pf6 (2) [niii(me-salabza)] (4) [coiii(me-salabza)(3-mepy)2]pf6 (5) [coiii(me-salabza)(bzlan)2]bph4 سنتز، شناسـایی ومورد بررســـی قرار گرفته است. کمپلکس (1) تا (5) با بازده مناســب سنتـز و با استفاده از ط...
Biuret-modified tetraamidomacrocyclic cobalt complex [CoIII-bTAML]- is shown to catalyze electrochemical water oxidation at basic pH leading to the formation of O2. Electrochemical and spectroscopic studies indicate a high valent cobalt oxo intermediate isoelectronic to CoV(O) as the active oxidant. The kinetic isotope effect of 8.63 indicates an atom proton transfer mechanism.
some new water-soluble schiff base complexes of na2[m(5-so3-1,2-salophen)].nh2o; (5-so3-1,2-salophen = n,n’-bis(5-sulphosalicyliden)-1,2-phenylendiamine); na2[m(5-so3-2,3-salpyr)(h2o)n].2h2o; (5-so3-2,3-salpyr = n,n’-bis(5-sulphosalicyliden)-2,3-diaminopyridine); and na2[m(5-so3-3,4-salbenz)(h2o)n].nh2o; (5-so3-3,4-salbenz = n,n’-bis(5-sulphosalicyliden)-3,4-diaminobenzophenon); where m = cu, n...
RNA editing in Trypanosoma brucei is a posttranscriptional processing event that results in the addition and deletion of uridine residues within several mitochondrial mRNAs. We have examined reactions involving pre-edited precursor RNAs in vitro. In this study, we report specific cleavage of pre-edited cytochrome b (CYb), cytochrome oxidase subunit II (COII), and cytochrome oxidase subunit III ...
new hetero-binuclear hg-cu schiff base complexes were prepared by reaction of 2,2'-[1,1'-(2,2-dimethylpropane-1,3-diyldinitrilo)-diethyldyne]diphenolato}copper(ii) (cul1) and 6,6'-x-2,2'-[(2,2-dimethylpropane-1,3-diyl)bis(nitrilomethanylylidene)]diphenolato copper(ii) [(x = ethoxy (cul2) and methoxy (cul3)], with hgcl2 to give [cu(l1)hgcl2] (1), [cu(l2)hgcl2] (2), and [cu...
new hetero-binuclear hg-cu schiff base complexes were prepared by reaction of 2,2'-[1,1'-(2,2-dimethylpropane-1,3-diyldinitrilo)-diethyldyne]diphenolato}copper(ii) (cul1) and 6,6'-x-2,2'-[(2,2-dimethylpropane-1,3-diyl)bis(nitrilomethanylylidene)]diphenolato copper(ii) [(x = ethoxy (cul2) and methoxy (cul3)], with hgcl2 to give [cu(l1)hgcl2] (1), [cu(l2)hgcl2] (2), and [cu(l3)hgcl2] (3), res...
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