Synthesis and reactivity studies of cyclopentadienyl derivatives of ruthenium iridium and osmium iridium mixed metal clusters 3
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≡CSiEt3 drops 0.02 ml 0.10 mmol 0.04 ml ... 37 .32 37 .59 2 .36 2.04 1060.8 1060.9 10b 31 .09 31 .25 2.59 2.51 964.8 964.9 10c 31 .87 32 .33 2.69 1.98 980.9 978.9 10d 29 .36 29.54 2.55 2.44 979.5 980.9 10e 32 .18 31 .70 3. 05 3. 16 10 23. 6 10 23. 0 987.7920...
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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 Amount of Amount of PPh3Se ... 1371.9 658 1377. 958 51 29 .50 29.70 2.20 2. 25 1464.80 14 65. 35 - - - - 151 4.8414 151 4.84 252 2024vs, 2008m, 2000m, = 3.3 Hz, OsHOs), -16.90 (d, 1H, 2JHH 1989s, 1967w, 1 950 m = 3.3 Hz, IrHOs) 2 057 s, 2038vs,...
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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 of the ligands like CO, hydrides, and cyclopentadienyls ... cluster anions and mono- or di-nuclear metal cations Clegg and coworkers have reported the synthesis of penta and hexanuclear mixed- metal clusters Os4Rh(μ-H2)(CO )13 and Os4Rh2(μ-H)2(CO )11 (η5-Cp*)2...
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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, 1969w, 1962w, 1792m 41 Figure 2. 6 ORTEP diagram of Cp*IrOs3(μ-H )2( CO)10, ... Cp*IrOs3(μ-H )2( CO)10 (3c) 2. 7789(4) 2. 7644(4), 2. 7 326 (3) Cp*RhOs3(μ-H )2( CO)10 2. 769(1) 2. 769(1), 2. 734(1) CpIrOs3(μ-H )2( CO)10 2. 798(1) 2. 749(1), 2. 740(1) CpRhOs3(μ-H )2( CO)10 2. 736 (2) 2. 730(1), 2. 729 (1)...
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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) = 2.7860 (4) Å; Ir(1)-C(11) = 1.899(7) ... Table 4. 4 The spectroscopic and elemental analysis data for the products are given in Tables 4. 5 - 4. 7 Crystal structure and refinement data are given in Tables 4. 8 and 4. 9 160 Table 4. 4 Summary of...
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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 coordination modes of dppf and ... groups for studies on the effects of steric and electronic environment on the chemical 26a and catalytic 27 reactivity of the complex Owing to the chemical uniqueness of the indenyl ligand as discussed...
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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 oxides for the treatment of exhaust gases from internal combustion engine of three-way ... Nguyen 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 LIST OF TABLES...
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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 synthesis from acetylCoA and CO2, by ... Igarashi Y (1997) Carboxylation reactions of pyruvate: ferredoxin oxidoreductase and 2-oxoglutarate: ferredoxin oxidoreductase from Hydrogenobacter thermophilus TK-6 Biosci Biotechnol Biochem...
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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 high yield cell-free protein synthesis ... preparation of five samples leads to the assignment of every [15N]-HSQC cross-peak to one of FEBS Journal 273 (2006) 4154 – 4159 ª 2006 The Authors Journal compilation ª 2006 FEBS 4155 15 N-labelled proteins...
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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 solution of CdTe NPs (5 10-6 ... nm) determined from the correlation of particle size and optical band gap Further, average size and size distribution of CdTe QDs obtained from UV spectra and TEM image were also supported by...
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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 with Herbicidal Activity 591 more ... exception of compounds 14 and 15 (R2 = 5-Br-2-OH) it can be assumed, that the introduction of lipophilic www.intechopen.com 593 Synthesis and Evaluation of Pyrazine Derivatives with Herbicidal Activity...
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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- ylmethyl)- (2, 3-dichloro-phenyl)amine (3b) Light ... MS: 26 8 [M+]; Anal calcd for C14H12N4O2 (26 8): C 62. 68, H 4.51, N 20 .88; found C 62. 74, H 4.49, N 20 .78 2. 2 .2. 10 (1H-Benzimidazol -2- ylmethyl)-(4-iodo-phenyl)-amine (3j) Colorless powder; m.p .22 1 22 3...
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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 widely investigated of ... understanding of the isoindigo scaffold and 19 to provide an objective assessment of its potential as a source of potent and drug-like compounds 20 Chapter 2: Functionalized isoindigos as cyclin-dependent...
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Từ khóa: Báo cáo quy trình mua hàng CT CP Công Nghệ NPVchuyên đề điện xoay chiều theo dạngNghiên cứu tổ hợp chất chỉ điểm sinh học vWF, VCAM 1, MCP 1, d dimer trong chẩn đoán và tiên lượng nhồi máu não cấpGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANPhát triển mạng lưới kinh doanh nước sạch tại công ty TNHH một thành viên kinh doanh nước sạch quảng ninhTrả hồ sơ điều tra bổ sung đối với các tội xâm phạm sở hữu có tính chất chiếm đoạt theo pháp luật Tố tụng hình sự Việt Nam từ thực tiễn thành phố Hồ Chí Minh (Luận văn thạc sĩ)Phát triển du lịch bền vững trên cơ sở bảo vệ môi trường tự nhiên vịnh hạ longPhát hiện xâm nhập dựa trên thuật toán k meansTìm hiểu công cụ đánh giá hệ thống đảm bảo an toàn hệ thống thông tinThiết kế và chế tạo mô hình biến tần (inverter) cho máy điều hòa không khíChuong 2 nhận dạng rui roBT Tieng anh 6 UNIT 2Giáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtGiáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtchuong 1 tong quan quan tri rui roNguyên tắc phân hóa trách nhiệm hình sự đối với người dưới 18 tuổi phạm tội trong pháp luật hình sự Việt Nam (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtĐổi mới quản lý tài chính trong hoạt động khoa học xã hội trường hợp viện hàn lâm khoa học xã hội việt nam