稀土金属有机化学.pptxVIP

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稀土金属有机化学.pptx

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Chapter 13 Lanthanide Complexes and Their Applications;Typical Lanthanide Complexes and Synthetic Methodologies;;;;;;;;Lanthanide Carbene;Organometallics, 2007, 26 (13), 3167 -3172, ;Organometallics, 2008, ASAP Article, ;Lanthanide Phosphinidene Complex;;;;;;Catalytic Reactions 1. Catalytic Hydrogenation;2. Lanthanide Complexes Catalyzed Hydroamination/ Cyclization Reactions;Marks, T. J. ; et al, J. Am. Chem. Soc. 1999, 121, 3633.;Livinghouse, T. et al, Adv. Synth. Catal. 2006, 348, 701-704.;3. Lanthanide Complexes Catalyzed Hydrophosphination/Cyclization Reactions;4. Catalytic Hydrosilylation;Livinghouse, T. ; et al, Organometallics 2004, 23, 12-14.;;6. Guanylation of Aromatic Amines;Zhang, W.; Nishiura, M.; Hou, Z. Chem. Eur. J. 2007, 13, 4037.;entry;13;Catalytic Activity of the Cp-Free Lanthanide Amides on the Addition of Amines to Carbodiimides;entry ;entry ;Plot of Yields of Guanidine versus Reaction Time. The Reaction was performed by treating 1 equiv. of aniline with 1 equiv. of N, N’-dicyclohexylcarbodiimide. ;entry;Catalytic Addition of the C-H Bond to the Carbodiimide;entry;Zhou, S. ; Wang, S. * et al, Organometallics 2007, 26, 3755. Li, Q.; Wang, S.* et al, J. Org. Chem. 2007, 72, 6763.;7. Lanthanide Complexes Catalyzed Olefin Polymerization;8. Lanthanide Complexes Initiated Cannizzaro Type Disproportionation;The methodology for the preparation of amide from aldehyde;Optimization of the reaction conditions;Reaction conditions: toluene as solvent; room temperature; 2-3d ;Ar-;The effects of lanthanide metal on the reaction;The mechanism of the catalytic reaction;Ar-;The results of the reaction probed by GC-MS;The process of the hydride transfer in the reaction;The proposed mechanism for the Cannizarro-type reaction;9. Catalytic Cyclotrimerization of Aromatic Isocyanates;Can Lanthanide Amides Selectively Catalyze Cyclotrimerization of Aromatic Isocyanates ?;;Synthesis of the lanthanide amides of Incorporating a diamido ligand with a CH2SiMe2 link;Dy C