Clustering Synthesis

Au-W clusters. Successful cluster synthesis strategies are available. ... 

Probably involved with NifS in iron-sulfur cluster synthesis Possibly accelerate MoFe protein maturation Unknown function... 

Gates BC (1995) Supported metal clusters Synthesis, stracture, and catalysis. Chem Rev 95 511-522... 

Oxide- and Zeolite-supported "Molecular" Metal Clusters Synthesis, Structure, Bonding, and Catalytic Properties... 

Gates BC (2005) Oxide- and Zeolite-supported Molecular Metal Clusters Synthesis, Structure, Bonding, and Catalytic Properties. 16 211-231 Gibson SE (nee Thomas), Keen SP (1998) Cross-Metathesis. 1 155-181 Gisdakis P, see Rosch N (1999) 4 109-163 Gdrling A, see Rosch N (1999) 4 109-163... 

A specific feature of reactions occurring in the autoclave is that the least soluble compounds are always precipitated from the homogeneous phase of the reaction. As a result, the equilibrium of the reaction is always shifted to the formation of these very insoluble compounds. Thus, it becomes clear that by varying the composition of the reaction mixture (mainly due to the introduction of new cations and anions) practically all types of the cluster forms being generated in the given system can be obtained in the solution. This is a clear advantage of the hydrothermal technique for cluster synthesis in the autoclave. 

The cyclooctene complex was first isolated and adapted to cluster synthesis by Shapley and co-workers (156). The complex is formed by reaction of ethylene with H2Os3(CO)10 in cyclooctene, when only a trace of the vinyl adduct HOs3(CO)10-CH=CH2 is formed. The 13C-NMR spectrum indicates that substitution by the olefin of equatorial carbonyl groups on two different metal centers has occurred. The complex... 

The following methods of cluster synthesis come under this classification. 

N NMR spectroscopy, 32 364-365 heterometallic cluster synthesis by nitrosylation of performed heterometallic aggregates, 32 350-351 from sulfur-rich metal complexes, 32 352-353... 

B. C. Gates, Supported metal clusters synthesis, structure, and catalysis. Chem. Rev. 95, 511-522 (1995). 

Nitrogenase is another big target of cluster synthesis. The X-ray elucidation of the active center of the Fe-Mo cofactor and P-cluster... 

While in unicellular eukaryotes the mitochondria were shown to play a central role in cellular FeS cluster assembly, metazoan ISC machinery might not be exclusively localized to mitochondria. It has been found that key ISC components, including IscS, IscU, Nfu, and frataxin, are located in the cytosol and nucleus as well as in mitochondria, and their participation in de novo FeS cluster synthesis outside of mitochondria was suggested (Tong and Rouault 2000, 2006). It would be interesting to investigate at which step of eukaryote evolution the transfer of ISC machinery to other cell compartments occurred and to clarify its extramitochondrial function. 

The trinuclear complex trans-Pt[Mo(CO)3( /5-C5H5)]2(PhCN)2 is prepared by the reaction of two equivalents of sodium carbonylmetallate with the square planar platinum(II) complex PtCl2(PhCN)2.3 Both cis and trans isomers afford the trans trinuclear chain complex. The lability of the benzonitrile ligand in the latter can be used advantageously for cluster synthesis this will be described in the next section. 

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