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研究生: 黃啟閔
Huang, Chi-Ming
論文名稱: 四芽磷硫配位基的開發及其雙銅化合物的合成與鑑定
Development of the Tetradentate Diphosphanyl-bisbenzenethiolate S, P, P, S ligand: Synthesis and Characterization of a Dicopper Complex with S, P, P, S ligand
指導教授: 許鏵芬
Hsu, Hua-Fen
學位類別: 碩士
Master
系所名稱: 理學院 - 化學系
Department of Chemistry
論文出版年: 2014
畢業學年度: 102
語文別: 英文
論文頁數: 66
中文關鍵詞: 磷硫配位基銅硫錯合物
外文關鍵詞: Thiolatophosphine ligands, copper thiolate complexes
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  • 在生物上有許多金屬蛋白的活化位置是由金屬離子和硫配位環境如半胱氨酸或硫化物所組成。為了瞭解金屬與硫鍵結之間的特性,我們實驗室陸續地開發出了四芽磷硫配位基,P2S2 (H2[P2S2]=1,2-bis(mercaptophenyl- phenyl-phosphino)ethane)以及其衍生物。在此論文中,我們合成以及鑑定P2S2* (H2[P2S2*]=1,2-bis(3-trimethylsilanyl-2mercaptophenyl-phenyl–phosphino) ethane)此四芽磷硫配位基。另外在研究這些四芽磷硫配位基與金屬的反應中,合成出由P2S2’’配位基所形成的雙銅金屬錯合物[Cu2(P2S2’’)(PPh3)2]並且透過X光單晶繞射儀及一些光譜對例如核磁共振光譜,循環伏安法和電噴灑質譜儀對其鑑定。

    Many metalloproteins have active sites where metals ions are ligated by biological S-donors such as cysteine and sulfide. To understand the feature of metal sulfur bonds, we have developed a new type of diphosphine-dithiolate ligand, P2S2 (H2[P2S2]=1,2-bis(mercaptophenyl-phenyl-phosphino)ethane) and its derivatives. At this work, the synthesis and characterization of P2S2* (H2[P2S2*] =1,2-bis(3-trimethylsilanyl-2mercaptophenyl-phenyl-phosphino)ethane)is described in detail.
    In the continuing efforts to explore the metal chemistry of the tetradentate ligand system, a dicopper(I) complex of P2S2” ligand [Cu2(P2S2’’)(PPh3)2] has been synthesized and characterized by X-ray crystallography, spectroscopies, cyclic voltammetry and ESI-MS.

    Abstract I 中文摘要 II 誌謝 III List of Contents IV List of Schemes VI List of Tables VII List of Figures VIII Abbreviations XI Chapter 1. Introduction 1 1-1. Sulfur-rich ligation in metalloproteins 1 1-2. Example of S-only ligand system and related metal complexes 4 1-3. Example of hybrid N/S ligand system and related metal complexes 5 1-4. Example of hybrid P/S ligand system and related metal complexes 6 1-5. Example of copper thiolate complexes 9 1-6. The motivation of this work 13 Chapter 2. Results and Discussion 14 2-1. The overall syntheses description of H2[P2S2’’] and H2[P2S2*] ligand 14 2-1-1. Synthesis of 2-trimethylsilyl-thiophenol 15 Synthesis. 15 2-1-2. Synthesis of O-2(biphenyl)- N,N- dimethylthiocarbamate 16 Synthesis. 16 2-1-3. Synthesis of 2-mercaptobiphenyl 16 Synthesis. 16 2-1-4. Synthesis of [PhPCH2CH2PPh]Li2•(THF)4 17 Synthesis. 17 2-1-5. Synthesis of ClPhPCH2CH2PPhCl 17 Synthesis. 17 2-2. Synthesis and characterization of H2[P2S2’’] and H2[P2S2*] ligand 18 NMR Spectrum of H2[P2S2”] and H2[P2S2*] ligand 19 Electrospray Ionization Mass analysis of H2[P2S2*] ligand 24 IR spectrum of H2[P2S2*] ligand 26 2-3. Synthesis and characterization of [Cu2(P2S2’’)(PPh3)2] 27 Method a. 27 Method b. 27 X-ray structural determination of [Cu2(P2S2’’)(PPh3)2] 28 The chemistry of the synthesis of [Cu2(P2S2’’)(PPh3)2] 34 Powder X-ray diffraction of [Cu2(P2S2’’)(PPh3)2] 34 UV-Vis spectrum of [Cu2(P2S2’’)(PPh3 )2] 35 NMR Spectrum of [Cu2(P2S2’’)(PPh3)2] 36 The electrochemical study of [Cu2(P2S2’’)(PPh3)2] 40 Electrospray Ionization Mass analysis of [Cu2(P2S2’’)(PPh3)2] 43 2-4. On-going metal reactions of H2[P2S2”] ligand 46 Chapter 3. Conclusions 47 Chapter 4. Experiments and Instruments 48 4-1. General procedures 48 X-ray Crystallographic Data Collection and Refinement of the structures 48 Elemental Analysis 48 Nucleic Magnetic Resonance Spectroscopy 48 Infrared Spectroscopy 49 Electrospray Ionization Mass Analysis 49 Uv-Vis Spectroscopy 49 Cyclic Voltammetry 49 4-2. Synthesis 49 [PhPCH2CH2PPh]Li2•(THF)4 49 ClPhPCH2CH2PPhCl 50 2-trimethylsilyl-benzenethiol 50 H2[P2S2’’] ligand 51 Cu(CH3CN)4BF4 51 [Cu2(P2S2’’)(PPh3)2] •2CH2Cl2 51 O-2(biphenyl)-N,N-dimethylthiocarbamate 52 2-mercaptobiphenyl 52 H2[P2S2*] ligand 52 Reference 54 Appendix A 57 Appendix B 63

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