Synthesis and reactivity studies of cyclopentadienyl derivatives of ruthenium iridium and osmium iridium mixed metal clusters 4
Synthesis and reactivity studies of cyclopentadienyl derivatives of ruthenium iridium and osmium iridium mixed metal clusters 4
... a combination of two effects: The different covalent radii of iridium and osmium [metal- metal bond covalent radius of Ir = 1. 34 Å as in Ir4(CO)12 and Os = 1 .41 Å as in Os4(CO) 14] A component ... omitted for clarity Ir(1)-Os (4) = 2.7 140 (4) Å; Ir(1)-Os(2) = 2.78 04( 4) Å; Ir(1)-Os(3) = 2.7917 (4) Å; Os(2)-Os (4) = 2.89 24( 4) Å; Os(2)-Os(3) = 2.9578 (4) Å; Os(3)-Os (4) = 2...
Synthesis and reactivity studies of cyclopentadienyl derivatives of ruthenium iridium and osmium iridium mixed metal clusters 5
... C6H5), 1 .59 (s, 15H, 5. 05s 25 1974sh, 1948w Cp*), -13. 95 (dd, 1H, 2JP-H = 11 .55 Hz; JHH = 3.3 Hz, OsHOs), -16.87 (d, 1H, JHH = 3.3 Hz, IrHOs) 2060vs, 2005sh, 1991vs, 7.83-7.76 (m, 15H, C6H5), ... structure and refinement data are given in Tables 5. 5 and 5. 6 193 Table 5. 2 Experimental conditions used for the synthesis of compounds 23-26 Products and isolated yields Amoun...
Synthesis and reactivity studies of cyclopentadienyl derivatives of ruthenium iridium and osmium iridium mixed metal clusters 1
... bridging one face of the cluster (Figure 1. 1) Ir Ir Rh Ir Ir Rh Rh Rh Figure 1. 1 Comparison of tetranuclear clusters of Ir4(CO )12 and Rh4(CO )12 The low solubility of Ir4(CO )12 and Rh4(CO )12 in organic ... to ligands and substrates As the focus of the research is on the synthesis and reactivity of mixed metal carbonyl clusters, a short review of some o...
Synthesis and reactivity studies of cyclopentadienyl derivatives of ruthenium iridium and osmium iridium mixed metal clusters 2
... Os(3) 2. 7644(4) 2. 9148(3) 2. 9061(4) 2. 7077 (2) Ir(1)- Os(4)/(3A) 2. 7 326 (3) 2. 9148(3) 2. 78 62( 16) 2. 76 52( 6) 2. 924 6(3) Os (2) - Os(3) 2. 9656(4) 2. 8013(4) Ru (2) -Ru(4)/(3A) 2. 8990(17) 2. 76 52( 6) 2. 8765(3) ... CpRhOs3(μ-H )2( CO)10 20 83m, 20 63vs, 20 42vs, 20 10vs, 20 00s(sh), 1982m, 1972m, 1819m Cp*RhOs3(μ-H )2( CO)10 20 84m, 20 64s, 20 41s, 20 02s,...
Synthesis and reactivity studies of cyclopentadienyl derivatives of ruthenium iridium and osmium iridium mixed metal clusters 3
... 15c1 133 0.1 132 8 .3 1 232 .3 1252.2 low yield m/z calculated 1 232 .7 2.00 MS 1252.2 15a2 29.84 30 .18 1.90 1.87 133 0 .3 132 8 .3 15b2 24 .37 23. 88 2.04 1.81 1 231 .9 1 232 .3 1252.2 1252.2 135 4.6 135 4.4 low ... 10a to 11b are presented in Tables 3. 11 -3. 13 107 Table 3. 5 Summary of the reactions of 3a with alkynes Amount of 3a 25.5 mg 0. 03 mmol Me3SiC≡CSiMe3 Et3SiC≡C...
Synthetic, structural and reactivity studies of indenyl ruthenium complexes
... understanding of the effect of co-ligands in Ru complexes on the ease of ring slippage of the indenyl ligand, on the catalytic activity of [(Ind)Ru] complexes and the redox potentials of the ... metal complexes, but are common in complexes of group 10 25 Chapter Reactivity studies of [(Ind)Ru] complexes with P-, N- and S-containing ligands Table 2.1 Common c...
SYNTHESIZE AND INVESTIGATE THE CATALYTIC ACTIVITY OF THREE-WAY CATALYSTS BASED ON MIXED METAL OXIDES FOR THE TREATMENT OF EXHAUST GASES FROM INTERNAL COMBUSTION ENGINE
... The Tien Synthesize and investigate the catalytic activity of three-way catalysts based on mixed metal oxides for the treatment of exhaust gases from internal combustion engine CONTENT OF THESIS ... Nguyen The Tien 18 Synthesize and investigate the catalytic activity of three-way catalysts based on mixed metal ox...
Tài liệu Báo cáo khoa học: Enzymatic and electron paramagnetic resonance studies of anabolic pyruvate synthesis by pyruvate: ferredoxin oxidoreductase from Hydrogenobacter thermophilus doc
... (1996) Molecular and phylogenetic characterization of pyruvate and 2-ketoisovalerate ferredoxin oxidoreductases from Pyrococcus furiosus and pyruvate ferredoxin oxidoreductase from Thermotoga ... 505 Pyruvate synthesis by pyruvate oxidoreductase T Ikeda et al Discussion In the present study, we demonstrate that H thermophilus POR catalyzes pyruvate synthes...
Báo cáo khoa học: 15 N-Labelled proteins by cell-free protein synthesis Strategies for high-throughput NMR studies of proteins and protein–ligand complexes doc
... information, the protein ligand interaction can be probed by [15N]-HSQC FEBS Journal 273 (2006) 4154 – 4159 ª 2006 The Authors Journal compilation ª 2006 FEBS 4157 15 N-labelled proteins by cell-free ... accelerated studies of proteins by NMR spectroscopy by assigning residue type information to every amide cross-peak observed in [15N]-HSQC spectra We anticipate that...
Báo cáo hóa học: "Synthesis and Spectral Studies of CdTe–Dendrimer Conjugates" docx
... method of functionalizing QDs is simple and can avoid complicated synthesis and characterization of the intermediate products of QDs, when reactions are performed on the QD surfaces A number of reports ... microlitres (10–50 lL) of these solutions were added to the different sets of mL solution of CdTe QDs In a typical synthesis of CdTe–Dendrimer conjugate, mL aqueous so...
Synthesis and Evaluation of Pyrazine Derivatives with Herbicidal Activity
... copy and paste the following: Martin Doležal and Katarína Kráľova (2011) Synthesis and Evaluation of Pyrazine Derivatives with Herbicidal Activity, Herbicides, Theory and Applications, Prof ... individual parts of photosynthetic apparatus The site of action of PET inhibitors can be www.intechopen.com Synthesis and Evaluation of Pyrazine Derivatives...
Synthesis and biological evaluation of 2 substituted benzimidazole derivatives
... time in second (Mean ± SEM) 0h 2h 3h 4h 1.56 ± 0.16 2. 16 ± 0.16 2. 0 ± 0 .25 2. 16 ± 0.16 2. 0 ± 0 .25 2. 0 ± 0 .25 1.61 ± 0.30 2. 16 ± 0.30 2. 0 ± 0 .25 2. 16 ± 0.16 2. 0 ± 0 .25 2. 16 ± 0.16 Control Std 3a 3b ... 14.38; found C 57 .29 , H 3.65, N 14.45 Synthesis and biological evaluation of 2- substituted benzimidazole derivatives 2. 2 .2. 2 (1H-Benoimidazol -2-...
Synthesis and biological evaluation of isoindigo derivatives as anti proliferative agents
... functionalized isoindigos as antiproliferative agents, the aim of this thesis was to investigate medicinal chemistry approaches towards the design and synthesis of functionalized isoindigos with ... of isoindigos without compromising biological activity 1.5 Biological properties of functionalized isoindigos 1.5.1 Mode of action of meisoindigo Meisoindigo is the most wid...
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