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Indium in Organic Synthesis Huang-Jianzhou 2012-04-14
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1 、 Introduction 2 、 Preparation of Allylindium 3 、 As Lewis Acid 4 、 Cross coupling 5 、 Reduction 6 、 Conclusion
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化合价: 0, +1,+2,+3 1863 5s2 5p1 J. Uziel, Synthesis, 2007, 1739. Scott E. Denmark, Chem. Rev. 2003, 103, 2763 Basi V. Subba Reddy, Eur. J. Org. Chem. 2010, 591 Sujit Roy, Chem. Rev. 2010, 110, 2472 Anthony J. Downs, Chem. Rev. 2007, 107, 2 Advantages indium in organic synthsis : stable in air and water Notoxicity for man Low first ionization potential, can be an effective single electron transfer agent organoindium reagents are easy prepared 1 、 Introduction
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Regioselectivity 5
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Diastereoselectivity
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9 2 、 Preparation of Allylindium
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13 allenes
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The reactivity of the allyl halide : I ≈ Br >> Cl, F inactive allylindium intermediate
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16 Addition to C=O Bonds
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Asymmetry
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Addition to C=N Bonds
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Asymmetry
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Addition to C-C Multiple Bonds
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24 Other ways
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3 、 As Lewis Acid
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Coniaene reaction
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Aldol, Minnich, D-A Reaction
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Carbonyl-ene Reactions
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5 、 Cross-Coupling
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4 、 Reduction
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Reductive Aldol Reaction
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6 、 Conclusion Indium and its salts provide various methodologies for formation C-C bond, with high reactivity and the unique selectivity; Work is still ongoing, especially in enantioselective reactions.
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