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OverviewThis thesis describes the development of iron-catalyzed thienyl C–H/C–H coupling. This is applied to the synthesis of highly conjugated and electron-rich thiophene compounds of interest in materials science by utilization of low redox potential of iron in combination with a mild oxalate oxidant. Transition-metal-catalyzed C(sp2)–H/C(sp2)–H coupling has attracted much attention as one of the most straightforward methods to construct C(sp2)–C(sp2) bonds. However, application of this ideal transformation to the synthesis of redox-sensitive pi-materials was hindered by the requirement of a strong oxidant for catalyst turnover. This limitation originates primarily from the large redox potential of conventional transition-metal catalysts such as palladium and rhodium. This thesis shows that the efficiency of C–H activation was significantly improved by introduction of a new conjugated tridentate phosphine ligand, giving direct access to polymeric thiophene materials from simple thiophene monomers. Considering the importance of environmentally friendly organic synthesis in terms of UN Sustainable Development Goals, the reactions described herein highlight the potential of iron, the most abundant transition-metal on earth, for the direct synthesis of functional small molecules and polymers of importance in energy device applications. Full Product DetailsAuthor: Takahiro DobaPublisher: Springer Verlag, Singapore Imprint: Springer Verlag, Singapore Edition: 1st ed. 2023 Weight: 0.455kg ISBN: 9789819941209ISBN 10: 9819941202 Pages: 153 Publication Date: 25 July 2023 Audience: Professional and scholarly , Professional & Vocational Format: Hardback Publisher's Status: Active Availability: Manufactured on demand  We will order this item for you from a manufactured on demand supplier. Table of Contents1. General Introduction.- 2. Iron-Catalyzed Regioselective Thienyl C–H/C–H Homocoupling.- 3. Development of a Synthetic Method for Tridentate Phosphine Ligands.- 4. Iron-Catalyzed Regioselective Thienyl C–H/C–H Polycondensation.- 5. Iron-Catalyzed Oxidative C–H Alkenylation of Thiophenes with Enamines.- 6. Conclusions and Perspectives.ReviewsAuthor InformationTakahiro Doba received his B.Sc., M.Sc., and Ph.D. in chemistry from the School of Science, The University of Tokyo in 2017, 2019, and 2022, respectively. He is now an assistant professor at Kyoto University. His research interests focus on development of transition-metal-catalyzed reactions useful for synthesis of functional small molecules and polymers. Tab Content 6Author Website:Countries AvailableAll regions |
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