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Synthesis, structure, and reactivity of organolanthanide complexes with novel versatile ligands. / CUHK electronic theses & dissertations collectionJanuary 1999 (has links)
Shaowu Wang. / "August 1999." / Thesis (Ph.D.)--Chinese University of Hong Kong, 1999. / Includes bibliographical references (p. 125-143). / Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Mode of access: World Wide Web. / Abstracts in English and Chinese.
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Synthesis, structure and reactivity studies on metal carborane complexes of groups 1, 4 and lanthanides. / CUHK electronic theses & dissertations collectionJanuary 2002 (has links)
Guofu Zi. / "June 2002." / Thesis (Ph.D.)--Chinese University of Hong Kong, 2002. / Includes bibliographical references (p. 164-173). / Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Mode of access: World Wide Web. / Abstracts in English and Chinese.
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Synthesis, structural characterization, and reactivity of organolanthanide complexes incorporating dicarbollyl ligands.January 2014 (has links)
本文成功地合成了碳碳相連的鳥巢型碳硼烷化合物[Me₃NH][7,8-O(CH₂)₂-7,8-C₂B₉H₁₀],閉籠型碳硼烷衍生物1-(1-茚基)-1,2-碳硼烷以及一系列基於以上配體的稀土金屬配合物,同時研究並探討了這些化合物對不同不飽和有機化合物的反應性。 / 1-(1-茚基)-1,2-碳硼烷可通過碳硼烷二鋰鹽與相應環氧化合物反應後再脫水而製備。該配體與稀土烷基化合物發生酸碱反應生成相應的稀土碳硼烷化合物,[η⁵:σ-(C₉H₆)C₂B₁₀H₁₀]Ln[σ:σ-(CH₂C₆H₄-o-NMe₂)](THF)₂ (Ln= Y, Gd, Er, Dy)。這類稀土碳硼烷化合物的反應性也被相繼研究。它可以跟各種不飽和底物(如碳二亞胺,異氰,異硫氰酸鹽,異氰酸酯)反應。其中和R-N=C=N-R (R= TMS, tBu) 反应生成相應的單插入產物。这些单插入产物可以继续和小分子反应插入稀土金屬碳硼烷碳鍵得到双插入产物。並且,這類稀土碳硼烷化合物也可以發生質子化反應生成對應的離子型化合物。 / [Me₃NH][7,8-O(CH₂)₂-7,8-C₂B₉H₁₀]可通過(CH₂OCH₂)C₂B₁₀H₁₀的脫硼反應製備,它與Ln(CH₂-o-C₆H₄-NMe₂)₃ (Ln = Y, Gd, Er, Dy)反應得到半夾心金屬碳硼烷 [η⁵-(CH₂OCH₂)C₂B₉H₉]Ln(CH₂-o-C₆H₄-NMe₂)(THF)₂.不飽和的極性有機不飽合底物可以插入金屬碳鍵,并在取代基的空間位阻效應的影響下生成單插入或者雙插入的產物。 / 該論文中也研究了[η⁵:σ-(C₉H₆)C₂B₁₀H₁₀]Ln[σ:σ-(CH₂C₆H₄-o-NMe₂)](THF)₂和[η⁵-(CH₂OCH₂)C₂B₉H₉]Ln[σ:σ-(CH₂C₆H₄-o-NMe₂)](THF)₂與不同的Brønsted酸的酸堿反應。[η⁵-(CH₂OCH₂)C₂B₉H₉]Y[σ:σ-(CH₂C₆H₄-o-NMe₂)](THF)₂ 同各種各樣的胍反應生成相應的胍基化合物。 / 最後,1-(1-茚基)-1,2-碳硼烷發生脫硼反應可生成對應的[Me₃NH][(C₉H₇)C₂B₉H₁₁]。該配體同Y(CH₂-o-C₆H₄-NMe₂)₃反應得到的稀土烷基化合物[(1-C₉H₆)(C₂B₉H₁₀)]Y(DME)₂也進一步的進行了研究。它同二苯酮,二苯基乙烯酮,二(2-吡啶基)甲酮以及其他不飽和有機化合物反應,得到具有類似結構的單插入產物。 / C,C'-Linked dicarbollide species [Me₃NH][7,8-CH₂OCH₂-7,8-C₂B₉H₁₀] and 1-(1-indenyl)-1,2-carborane were synthesized. Their applications in rare earth chemistry were studied and discussed in this thesis. / 1-(1-Indenyl)-1,2-carborane was synthesized from the reaction of indene epoxide with dilithium salt of carborane. Reaction of this ligand with Ln(CH₂C₆H₄-o-NMe₂)₃ (Ln = Y, Gd, Er, Dy) led to the formation of [η⁵:σ-(C₉H₆)C₂B₁₀H₁₀]Ln[σ:σ-(CH₂C₆H₄-o-NMe₂)](THF)₂ (Ln= Y, Gd, Er, Dy). The metal-carbon σ bond in these complexes was reactive toward unsaturated polar organic substrates, such as carbodiimide, isocyanide, isothiocyanate, and isocynate. They reacted with R-N=C=N-R (R= TMS, tBu) to form mono-insertion products. The metal-cage carbon σ bond in the mono-insertion product was also active toward unsaturated polar organic substrates to form di-insertion complexes. And the indenyl-carboranyl gadolinium complex can be protonated to give ionic species. / [Me₃NH][7,8-CH₂OCH₂-7,8-C₂B₉H₁₀] was prepared by the deboration reaction of (CH₂OCH₂)C₂B₁₀H₁₀. Ln(CH₂C₆H₄-o-NMe₂)₃ (Ln = Y, Gd, Er) reacted with this ligand to form half-sandwich metallacarboranes [η⁵ -(CH₂OCH₂)C₂B₉H₉]Ln[σ:σ-(CH₂C₆H₄-o-NMe₂)](THF)₂. Unsaturated polar organic substrates, such as isocyanide, isothiocyanate, and isocynate can insert into the M-C bond to form mono-insertion complexes or di-insertion complexes depending on the steric factor of the substrate. / Acid-base reactions of [η⁵:σ-(C₉H₆)C₂B₁₀H₁₀]Ln[σ:σ-(CH₂C₆H₄-o-NMe₂)](THF)₂ and [σ:η⁵-O(CH₂)₂C₂B₉H₉]Y[σ:σ-(CH₂C₆H₄-o-NMe₂)](THF)₂ were studied. Complex [σ:η⁵-O(CH₂)₂C₂B₉H₉]Y[σ:σ-(CH₂C₆H₄-o-NMe₂)](THF)₂ reacted with various guanidines to give the corresponding guanidinato products. / Complex [(1-C₉H₆)(C₂B₉H₁₀)]Y(DME)₂ was synthesized and structurally characterized from the reaction of [Me₃NH][(C₉H₇)C₂B₉H₁₁] with Y(CH₂-o-NMe₂-C₆H₄)₃ in DME. Its reactivity was examined. It reacted with diphenylketone, diphenylketene, di(2-pyridyl)ketone and other unsaturated organic compounds to afford mono-insertion products with similar structures. / Detailed summary in vernacular field only. / Detailed summary in vernacular field only. / Detailed summary in vernacular field only. / Detailed summary in vernacular field only. / Detailed summary in vernacular field only. / Yang, Jingying. / Thesis (Ph.D.) Chinese University of Hong Kong, 2014. / Includes bibliographical references (leaves 113-124). / Abstracts also in Chinese.
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Synthetic and structural studies of organolanthanide compounds. / CUHK electronic theses & dissertations collectionJanuary 2008 (has links)
Chapter 1 presents an overview of the lanthanide chemistry with cyclopentadienyl and cyclopentadienyl-free ligands. The chemistry of divalent lanthanide is also briefly reviewed. / Chapter 2 describes the preparation and characterization of a series of lanthanide(III) amides derived from the bidentate 2-pyridyl amido ligand [N(SiMe3)(2-C5H3 N-6-Me)] (L 1): [Ln(L1)3] [L1=, Ln = Yb (7), Sm (8), Dy (9)], [Ln(L 1)3(THF)] [Ln = Pr (10), Gd (11)], and [(L1)2Ln(mu-OBut) 2Li(THF)x] (x = 2, Ln = Nd (12), Sm ( 13), Eu (14); x = 1, Ln = Dy (15), Er ( 16)). / Chapter 3 describes the preparation and characterization of divalent lanthanide amides derived from L1 and the more bulky [N(SiButMe2)(2-C5H 3 N-6-Me)] (L2) ligands, namely [Ln(Ln) 2(tmeda)] (n = 1, Ln = Yb (17), Eu (20); n = 2, Ln = Yb (18)), [(L1)3YbK(THF)] (19), and [(L2)3EuK(tmeda)] ( 21). Complexes 17-21 were prepared by direction reaction of LnI2(THF)), (Ln = Eu or Yb) with the potassium salts of L 1 and L2. Attempts to synthesize the analogous Sm(II) and Dy(II) derivatives were unsuccessful. The divalent samarocene, [(C 5H3(SiMe3)2)2Sm(THF)] ( 24), was also prepared in our work. Subsequent reaction of 24 with 1,3-dicyclocarbodiimide (DCC) in THF yielded the dinuclear Sm(III) bisamidinate compound [(Cp")2Sm(NC6H11) 2CC(H11C6N)2Sm(Cp")2] ( 25). / Chapter 4 describes the preparation and characterization of divalent Sm, Eu and Yb complexes derived from the bulky dianionic [R 2Si(NC6H3Pri2-2,6) 2]2- (R = Me or Ph) ligands. Treatment of LnI2(THF)), (Ln = Sm, Eu, and Yb) with K2(Ln)(THF) x (L3 = Me2Si(NC6H3Pr i2-2,6)2, L4 = Ph2Si(NC 6H3Pri2-2,6)2) afforded the corresponding Ln(II) derivatives, [(L4)2Sm{K(OEt 2)}2] (36), [(C)2Ln {K(THF) 2}2] (n = 4, Ln = Yb (39); n = 3, Ln = Sm ( 37), Yb (40), Eu (44), and the mononuclear compound [(L4)Yb(THF)3] (38). / However, attempts to prepare divalent Nd and Dy complexes of the dianionic ligands were unsuccessful. Only the corresponding Nd(III) and Dy(III) complexes were isolated. In our studies, five lanthanide(III) complexes, namely [{K(THF) 6}Ln(L4)2] (Ln = Sm (34), Yb (41), Nd (42), Dy (43)) and [(L 3)2SmK(THF)3] (35) were isolated. / This thesis describes the synthetic and structural studies of lanthanide complexes derived from the monoanionic 2-pyridyl amido ligands [N(R)(2-C 5H3N-6-Me)]- (R = SiMe3, SiBu tMe2), the dianionic [R2Si(NC 6H3 Pri2-2,O2] 2- (R = Me or Ph) ligands, and the bis(trimethylsilyl)-cyclopentadienyl [C5H3(SiMe3)2]- ligand. / Pan, Chengling. / "February 2008." / Source: Dissertation Abstracts International, Volume: 70-03, Section: B, page: 1665. / Thesis (Ph.D.)--Chinese University of Hong Kong, 2008. / Includes bibliographical references. / Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Electronic reproduction. [Ann Arbor, MI] : ProQuest Information and Learning, [200-] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Abstracts in English and Chinese. / School code: 1307.
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An investigation of novel reactivity and bonding in rare earth metal complexesJohnson, Kevin Ross David January 2012 (has links)
The synthesis, structure and reactivity of organolanthanide complexes supported
by a family of novel bis(phosphinimine)carbazole and bis(phosphinimine)pyrrole pincer
ligands is presented. Through the systematic development of the ligand frameworks, rare
earth metal species with unique structure and reactivity were encountered. A variety of
complexes that exhibited unusual bonding modes were prepared and characterized by
single-crystal X-ray diffraction and multinuclear NMR spectroscopy.
Modulation of the ligand frameworks allowed for rational manipulation of the
steric and electronic environment imparted to the metal. Incorporation of a variety of
N-aryl rings (mesityl, phenyl, para-isopropylphenyl and 2-pyrimidine) and PR2 moieties
(PPh2, PO2C2H4 and PMe2) into the ligand design led to rare earth complexes that
revealed diverse reaction behaviour. In particular, C–H bond activation, sigmatropic alkyl
migration and ring opening insertion reactivity were observed. Kinetic and deuterium
labeling studies are discussed with respect to the unique reaction mechanisms
encountered during the study of these highly reactive organometallic rare earth
complexes. / xxvi, 247 leaves : ill. (some col.) ; 29 cm + 1 CD-ROM
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Synthesis, structure and reactivity of lanthanides and group 4 metal complexes derived from linked organic-carboranyl ligands. / CUHK electronic theses & dissertations collectionJanuary 2005 (has links)
Alkylation of [eta5:sigma-Me2C(C5 H4)(C2B10H10)]TiCl(NMe 2) generates [eta5:sigma-Me2C(C5 H4)(C2B10H10)]Ti(R)(NMe 2) (R = Me, CH2TMS), which offers a unique opportunity to observe the direct competition among Ti-C(alkyl), Ti-N and Ti-C(cage) bonds in the insertion reactions with unsaturated molecules. The results indicate that unsaturated molecules insert preferably into the Ti-C (alkyl) bond over the Ti-N bond, while the Ti-C (cage) bond remains intact in all reactions. Several imido-titanium complexes [eta5:sigma-Me2C(C 5H4)(C2B10H10)]Ti(=NR)(Py) and [eta5:sigma-Me2C(C9H6)(C 2B10H10)]Ti(=NtBu)(Py) have been prepared by salt metathesis reactions or imido exchange reactions. These imido complexes can react with a variety of unsaturated molecules to give imido exchange products or [2+2] cycloaddition species. The imido complex [eta5:sigma-Me2C(C5H4)(C 2B10H10)]Ti(=NtBu)(Py) can also catalyze the hydroamination of phenyl acetylene. The key intermediate metallacyclic complex has been isolated and structurally characterized. / By taking the advantage of a cyclic organic group and an icosahedral carborane as well as the bridging ligand, trivalent phosphorus-bridged ligand iPr2NP(C9H7)(C2B 10H11) is designed and successfully synthesized. It is readily converted into the corresponding mono- and di-lithium salts, which have found many applications in transition metal chemistry. A series of organolanthanide and group 4 metal complexes derived from this new ligand have been prepared and structurally characterized. It is found that this ligand can effectively prevent lanthanocene chlorides from ligand redistribution reactions. [eta 5:sigma-iPr2NP(C 9H6)(C2B10H10)]Zr(NMe 2)2 can catalyze ethylene polymerization upon activation with MMAO and initiate the polymerization of epsilon-caprolactone. / iPr2NP(C9H 7)(C2B10H11) can be converted into the pentavalent derivative iPr2NP(O)(C9H 7)(C2B10H11) by treatment with H 2O2. Interactions of M(NMe2)4 with iPr2NP(O)(C9H7)(C2 B10H11) give unexpected products [sigma.sigma- iPr2NP(O)(C9H6)(C2 B10H11)]M(NR2)2. To investigate the similarities and differences between iPr2NP(O)(C 9H7)(C2B10H11) and its fluorenyl derivative in chemical properties, iPr 2NP(O)(C13H9)(C2B10H 11) is also prepared in a similar manner. It reacts easily with Zr(NMe 2)4 to give the amine elimination product [sigma.sigma- iPr2NP(O)(C13H8)(C 2B10H10)]Zr(NMe2)2(THF). However, treatment of iPr2NP(O)(C 2B10B11)(C2B10H11) with Ti(NMe2)4 affords amine elimination/deboration complex [sigma:eta5-iPr 2NP(O)(C13H9)(C2B9H 10)]Ti(NMe2)2. / Wang Hong. / "February 2005." / Adviser: Xie Zuomei. / Source: Dissertation Abstracts International, Volume: 67-01, Section: B, page: 0265. / Thesis (Ph.D.)--Chinese University of Hong Kong, 2005. / Includes bibliographical references (p. 168-180). / Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Electronic reproduction. [Ann Arbor, MI] : ProQuest Information and Learning, [200-] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Abstracts in English and Chinese. / School code: 1307.
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Design, Synthesis and Applications of Lanthanide Metal-Organic Frameworks based on 1,2,4,5-benzenetetracarboxylic acidUnknown Date (has links)
The organic linker 1,2,4,5-benzenetetracarboxylic acid (BTC) has been widely used in the construction of lanthanide metal-organic frameworks (MOFs) due the high symmetry and versatile nature of its structure. Under identical hydrothermal reaction conditions, it was discovered that lanthanide BTC MOFs will form one of four unique structures based on its location in the series (La-Sm, Eu-Tb, Dy-Tm, Yb-Lu). This is uncommon in LOF materials, as in many cases the same compound can be produced for all of the lanthanides or two different structures may be observed for the first and second half of the series. Descriptions and comparisons of these structures as discussed herein, noticeably the decrease in coordination number and the lanthanide-oxygen bond lengths as the lanthanide atomic number increases. This thesis also attempts to use these compounds to catalyze a model mixed-aldol reaction. Two closely related BTC compounds from yttrium and uranium are also presented. The structure of the yttrium BTC MOFs was identical to that of the Eu, Gd and Tb compounds. / Includes bibliography. / Thesis (M.S.)--Florida Atlantic University, 2015. / FAU Electronic Theses and Dissertations Collection
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Synthesis and structural characterization of amido- and imido-lanthanide compounds.January 2000 (has links)
by Chan Hoi Shan. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2000. / Includes bibliographical references (leaves 111-119). / Abstracts in English and Chinese. / Acknowledgement --- p.iii / Abbreviation --- p.iv / List of Compounds --- p.vi / Abstract --- p.vii / Abstract (Chinese) --- p.ix / Chapter Chapter 1. --- Introduction / Chapter 1.1 --- Lanthanide-Amine Compounds --- p.1 / Chapter 1.2 --- Lanthanide-Amide Compounds --- p.3 / Chapter 1.3 --- Lanthanide-Imide Compounds --- p.11 / Chapter 1.4 --- Some Applications of Lanthanide-Amide Compounds in Organic Synthesis --- p.15 / Chapter 1.5 --- Aims --- p.19 / Chapter Chapter 2. --- Synthesis and Structural Characterization of Anionic and Neutral Dichlorolanthanocene Compounds / Chapter 2.1 --- Synthesis --- p.20 / Chapter 2.2 --- Structural Characterization --- p.22 / Chapter 2.3 --- Conclusion --- p.23 / Chapter Chapter 3. --- Synthesis and Structural Characterization of Amido-Lanthanide Compounds / Chapter 3.1 --- Synthesis and Structural Characterization of Yb(NHAr)3(THF)n --- p.26 / Chapter 3.2 --- "Synthesis and Structural Characterization of Yb(NHC6H3iPr2- 2,6)4Na(THF)" --- p.38 / Chapter 3.3 --- "Synthesis and Structural Characterization of Yb(Cp"")(NHAr)2(L)" --- p.45 / Chapter 3.4 --- "Synthesis and Structural Characterization of Yb(Cp"")(NHC6H3iPr2- 2,6)3M(L)" --- p.54 / Chapter 3.5 --- Synthesis and Structural Characterization of Yb(NHAr)3(NH2Ar)(L) --- p.74 / Chapter 3.6 --- Conclusion --- p.76 / Chapter Chapter 4. --- Synthesis and Structural Characterization of Imido-Lanthanide Compounds / Chapter 4.1 --- Synthesis --- p.81 / Chapter 4.2 --- Structural Characterization --- p.82 / Chapter 4.3 --- Conclusion --- p.85 / Chapter Chapter 5. --- Summary and Remarks / Chapter 5.1 --- Summary --- p.96 / Chapter 5.2 --- Remarks --- p.97 / Chapter Chapter 6. --- Experimental Section --- p.98 / References --- p.111 / Appendix --- p.120
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Synthesis, molecular structure and reactivity studies of organolanthanide Fluoride and Carborane compounds. / CUHK electronic theses & dissertations collectionJanuary 2000 (has links)
Kwoli Chui. / "August 2000." / Thesis (Ph.D.)--Chinese University of Hong Kong, 2000. / Includes bibliographical references (p. 122-140). / Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web. / Mode of access: World Wide Web. / Abstracts in English and Chinese.
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Synthesis and structures of lanthanide metal amides.January 2001 (has links)
by Kui Chi Fai. / Thesis (M.Phil.)--Chinese University of Hong Kong, 2001. / Includes bibliographical references. / Abstracts in English and Chinese. / Acknowledgements --- p.i / Abstracts --- p.ii / Table of Contents --- p.v / Abbreviations --- p.viii / Chapter CHAPTER 1. --- METALLATION OF AMINOPYRIDINE AND AMINOQUINOLINE / Chapter 1.1 --- INTRODUCTION --- p.1 / Chapter 1.1.1 --- General Background --- p.1 / Chapter 1.1.2 --- A Brief Review on Sodium and Potassium Amides --- p.3 / Chapter 1.1.3 --- Preparation of Sodium and Potassium Amides --- p.8 / Chapter 1.2 --- RESULTS AND DISCUSSION --- p.10 / Chapter 1.2.1 --- "Synthesis of [NH(SiButMe2)(R)] [ R = 2-C5H3N-6-Me, 8-C9H6N ] as Ligand Precursors" --- p.10 / Chapter 1.2.2 --- Synthesis of Sodium and Potassium Amido Complexes Containing the Pyridine-Functionalized Amido Ligand [N(SiButMe2)(2-C5H3N-6-Me)]- --- p.11 / Chapter 1.2.2.1 --- Sodium Pyridyl Amido Complexes --- p.11 / Chapter 1.2.2.2 --- Potassium Pyridyl Amido Complexes --- p.12 / Chapter 1.2.3 --- Synthesis of Sodium and Potassium Amido Complexes Containing the Quinoline-Functionalized Amido Ligand [N(SiButMe2)(8-C9H6N)]- --- p.15 / Chapter 1.2.3.1 --- Sodium Quinolyl Amido Complexes --- p.15 / Chapter 1.2.3.2 --- Potassium Quinolyl Amido Complexes --- p.16 / Chapter 1.2.4 --- Physical Characterization of Compounds 3-9 --- p.17 / Chapter 1.2.5 --- "Molecular Structures of Compounds 3, 5 and 7" --- p.20 / Chapter 1.3 --- EXPERIMENTALS FOR CHAPTER 1 --- p.30 / Chapter 1.3 --- REFERENCES FOR CHAPTER 1 --- p.36 / Chapter CHAPTER 2. --- "Synthesis,Structures, and Catalytic Properties of Lanthanide Metal Amides Containing the Pyridine - Functionalized Amido Ligand [N(SiButMe2)(2-C5H3N-6-Me)]-" / Chapter 2.1 --- INTRODUCTION --- p.39 / Chapter 2.1.1 --- General Background --- p.39 / Chapter 2.1.2 --- A Brief Review on Rare Earth Amido Complexes --- p.40 / Chapter 2.1.3 --- General Preparation Methods to Lanthanide Metal Amides --- p.44 / Chapter 2.1.4 --- Ring-Opening Polymerization of Lactones --- p.45 / Chapter 2.1.5 --- Objectives of This Work --- p.48 / Chapter 2.2 --- RESULTS AND DISCUSSION --- p.49 / Chapter 2.2.1 --- Synthesis and Physical Properties --- p.49 / Chapter 2.2.1.1 --- Homoleptic Lanthanide Metal Amides 10-18 --- p.49 / Chapter 2.2.1.2 --- Heteroleptic Lanthanide Metal Amides 19-22 --- p.53 / Chapter 2.2.2 --- Molecular Structures --- p.56 / Chapter 2.2.2.1 --- Molecular Structures of Homoleptic Lanthanide Metal Amides 10-18 --- p.56 / Chapter 2.2.2.2 --- Molecular Structures of Heteroleptic Lanthanide Metal Amides 19-22..… --- p.76 / Chapter 2.2.3 --- Reactivity Studies --- p.89 / Chapter 2.2.3.1 --- "Reaction with 3,5-di-tert-butylcatechol (dbcH2)" --- p.89 / Chapter 2.2.3.2 --- Ring-Opening Polymerization of s-Caprolactone --- p.95 / Chapter 2.3 --- EXPERIMENTALS FOR CHAPTER 2 --- p.100 / Chapter 2.4 --- REFERENCES FOR CHAPTER 2 --- p.108 / Chapter CHAPTER 3. --- Preparation of Pyridine Adducts of Zinc(II) Chloride and Low-coordinate Zinc(II) Dithiolate and Bis(aryloxide) Compounds / Chapter 3.1 --- INTRODUCTION --- p.111 / Chapter 3.1.1 --- General Background --- p.111 / Chapter 3.2 --- RESULTS AND DISCUSSION --- p.115 / Chapter 3.2.1 --- Synthesis of Pyridine Adducts of Zinc(II) Chloride --- p.115 / Chapter 3.2.2 --- Synthesis of Novel Three-Coordinate Zinc(II) Dithiolate and Bis(aryloxide) --- p.116 / Chapter 3.2.3 --- Physical Characterization of Compounds 23-26 --- p.118 / Chapter 3.2.4 --- Molecular Structures of Compounds 23-25 --- p.122 / Chapter 3.3 --- EXPERIMENTALS FOR CHAPTER 3 --- p.129 / Chapter 3.4 --- REFERENCES FOR CHAPTER 3 --- p.133 / Chapter CHAPTER 4. --- Summary of this Research Work --- p.135 / Appendix 1 General Procedures and Physical Measurements --- p.137 / "Appendix 2 Table A-l. Selected Crystallographic Data for Compounds 3, 5,7,10 and 11" --- p.139 / Table A-2. Selected Crystallographic Data for Compounds12-16 --- p.140 / Table A-3. Selected Crystallographic Data for Compounds17-21 --- p.141 / Table A-4. Selected Crystallographic Data for Compounds22-25 --- p.142
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