GOLD(I) COMPLEX
Synthesis, characterization and evaluation of Pamam Dendrimer-Gold complex as an anion recognition material
... functionalized gold nanoparticle in-situ reduction of gold from Au 3+ to Au 0 was achieved through the reaction of nanogold-thiol functionalized PAMAM dendrimer with sodium borohydrate (NaBH 4 ...
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Geochemical Constraints of the Gold Mineralization Sources from the South Mine Complex and the Main/’04 Breaks, Macassa Mine, Kirkland Lake, Ontario
... and gold deposits in the world (Ayer et ...large gold deposits in the southern Abitibi Greenstone Belt occur within a few kilometers of two east-west trending fault zones, the northern Porcupine-Destor ...
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Triphenylphosphine-( N-dimethyldithiocarbamato) -gold(I) Methanol Solvate
... A gold(I) complex with a triphenylphosphine and a monodentate N,N-dimethyldithiocarbamate ligand was synthesized and characterized by Raman spectroscopy and single crystal X-ray ...single ...
6
Synthesis and luminescent properties of bimetallic gold(I) and silver(I) pyrazolate complexes
... Peculiarly, gold(I), silver(I), and copper(I) complexes have received huge attention due to their characteristics of phosphorescent properties ...[25-32]. Gold(I), ...
40
[2 (Diphenylphosphino κP)benzaldehyde]gold(I) chloride
... the sum of their van der Waals radii of ca 3.2 A ˚ , suggesting weak additional coordination. The shortest Au Au inter- molecular separation is 5.5900 (4) A ˚ , indicating extremely weak aurophilicity. The dihedral angle ...
11
A potassium crown ether complex with dichloroaurate(I)
... other complexes of 18-crown-6 (Dunitz et al., 1974). The potassium ion is located at the center of the crown and is coordinated to the six O atoms with an average KÐO bond distance of 2.810 AÊ, which is consistent with ...
9
(2 Methyldithiobenzoato κS)(triphenylphosphine κO)gold(I)
... structure, which also has two independent molecules, the Au— S distances are 2.301 (4) and 2.338 (3) A ˚ , the Au—P distances are 2.269 (6) and 2.263 (4) A ˚ , and the S—Au—P angles are slightly closer to linearity than ...
11
Benzimidaxolyl(triphenylphosphine)gold(I)
... electron-rich gold(I) complexes of triphenylphosphine (Chan et ...benzimidazolate complex, (I), ...title complex compare well with those found in these other complexes ...
7
Diphosphine Carboxamide Ligands with Gold(I), Silver(I) and Platinum(II)
... and gold(I) do take part in supramolecular self-association, as ...the gold complex 1, the structure seems to be determined by the requirement to accommodate aurophilic bonding, and the ...
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Stereoselective gold(I) catalyzed intermolecular hydroalkoxlation of alkynes
... Next, hydroalkoxylation with symmetrical alkynes was evalu- ated. The reaction of strongly activated dimethylacetylene dicarboxylate (DMAD, 2f) with 3a afforded a 1:1 mixture of the desired vinyl ether 4q, with complete ...
6
{μ 2 [1 (N,N Dimethylamino)ethyl]ferrocene 1,1′ diylbis(diphenylphosphine) κ2P:P′}bis[chlorogold(I)]
... the gold(I)-catalysed aldol reactions of enolates with aldehydes to give optically active β-hydroxycarbonyl compounds (Ito et ...bis(diphenylphosphino)ferrocenyl gold(I) analogue, (I), ...
13
Homogeneous gold catalysts : development of applications for gold(I) catalysts bearing N heterocyclic carbene ligands
... The coupling of aryl halides with alkenes had a significant impact in synthetic chemistry. Since these reactions are typically performed at high temperatures with long reaction times, application of NHC-based catalysts ...
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(O Ethyldithiocarbonato)[tris(p methoxyphenyl)phosphine]gold(I)
... complexes via one of the S atoms, thereby leading to a linear P—Au—S arrangement (Tiekink, 1985; Siasios & Tiekink, 1992, 1993 a ,b). Weak intramolecular Au··· X associations are also present and these can either ...
9
(2 Methylbenzimidazolyl κN)(triphenylphosphine κP)gold(I) hemihydrate
... To a solution of chloro(triphenylphosphine)gold (0.99 g, 2.0 mmol) and 2-methylbenzimidazole (0.27 g, 2.0 mmol) in acetone (20 ml) was added 1 M sodium hydroxide (2 ml). The solution was stirred for 2 h; the ...
8
Bis(2,6 dimethylphenyl isocyanide κC)gold(I) tetrafluoridoborate
... of gold (Balch & Parks, 1973; Bonati & Minghetti, 1973; Balch & Parks, 1974). These early examples were characterized by NMR, IR, elemental analysis, and conductivity studies. More recently bis( tert ...
7
Bis(2,6 dimethylpyridine κN)gold(I) tetrachloridoaurate(III)
... Au I atom is two-coordinated in a linear arrangement by two N atoms from two 2,6-dimethylpyridine ligands. In the anion, the Au III atom has a virtually square-planar coordination geometry. The Au atoms both are ...
6
Disturbances of mitochondrial parameters to distinguish patients with depressive episode of bipolar disorder and major depressive disorder
... depression. Complex I, complex IV, and CS were significantly changed in the blood platelets of BD patients compared to both MDD patients and healthy ...Increased complex I activity can ...
8
H function with complex parameters I: existence
... Abstract. An H-function with complex parameters is defined by a Mellin-Barnes type inte- gral. Necessary and sufficient conditions under which the integral defining the H-function converges absolutely are established. ...
16
A silver(I) complex with Ag⋯Ag interactions: diamminesilver(I) p nitrobenzoate
... 1 ÿ z] distances [3.308 (3) and 3.149 (3) AÊ, respectively] are shorter than the sum of the van der Waals radii of two Ag atoms [3.44 AÊ] and are comparable to the value of 3.035 (2) AÊ observed in another silver ...
8
Characterisation of the photosystem-I reaction centre complex
... u rea . 9M u re a in O.IM Tris-HCl pH 8.0 was added dropw ise w ith rap id stirrin g to a suspension of photosystem -I particles, in itial concentration 1.5 m g chlorophyll/m l. The suspension w as diluted w ith ...
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