Contents
Chapter 1. Introduction / p1
Chapter 2. Applications of Lanthanoid Reductants to Organic Synthesis / p19
　2. 1. Lanthanoid Mediated Intramolecular Cyclization of α, β-Unsaturated Carbonyl Compounds / p19
　2. 2. Reduction of Heterocumulenes Promoted by Low-Valent Lanthanoids / p33
　2. 3. Yb-TMSBr Promoted Homocoupling Reactions of Aliphatic Ketones, α, β-Unsaturated Ketones, and Imines / p49
　2. 4. Synthesis of 1, 2-Diarylacetylenes and α-Silylalcohols from Acylsilanes Mediated by Ytterbium Metal / p69
　2. 5. Deoxygenative Acylation of Diaryl Ketones with Acylsilanes Mediated by Lanthanoid Metals / p83
　2. 6. A Facile Generation of Organosamarium η³-Allyl Complexes by Reductive Cleavage of Allylic Ethers with (C₅Me₅)₂Sm(thf)n / p93
　2. 7. Generation of Allenic Samarium Complexes from Propargylic Ethers and (C₅Me₅)₂Sm(thf)₂ and Their Electrophilic Trapping / p117
Chapter 3. Synthetic Utilization of Lanthanoids as Lewis Acid Catalysts / p137
　3. 1. Lanthanoid(II) or-(III) Alkoxide-Promoted Reactions of Silyl Ketene Acetals with Aldehydes / p137
　3. 2. Facile Isomerization of Trialkylsilyl Enolates Catalyzed by Lanthanoid Trifluoromethanesulfonates / p159
　3. 3. Ytterbium(III) Triflate Catalyzed Synthesis of Quinoline Derivatives from N-Arylaldimines and Vinyl Ethers / p197
Chapter 4. Lanthanoid-Diaryl Ketone or -Triaryl Imine Complexes in Organic Synthesis / p217
　4. 1. Reaction of Lanthanoid Metals with Diaryl Thioketones / p217
　4. 2. Reactions of Lanthanoid-Diaryl Ketone and -Thioketone Complexes with Isocyanides / p237
　4. 3. Reaction of Lanthanoid-Diaryl Ketone Complexes with Alkynes / p253
　4. 4. Selective Isomerization of Terminal Alkynes Catalyzed by Lanthanoid-Triaryl Imine Complexes / p267
　4. 5. Isolation and Characterization of Ytterbium-Triaryl Imine Complexes / p289
　4. 6. Reaction of Ytterbium-Triaryl Imine Complexes / p303
Chapter 5. Conclusions / p317
Publications and Presentations / p323