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    1

    Four-component Synthesis of Phosphonium Salts: Application toward an Alternative Approach to Cross-coupling for the Synthesis of bis-Heteroarenes 3-Homoacyl Coumarins as a Class of All-Carbon 1,3-Dipole Precursor: An Enantioselective Concerted (3+2) Cycloaddition towards Herbertenolide Derivatives
    • / Department of Chemistry /108/ Doctor
    • Author: Chen, Yi-Ru Advisor: Lin, Wen-Wei
    • CHAPTER- I Four-component Synthesis of Phosphonium Salts: Application toward an Alternative A...
    • Clicks: 336Downloads: 24

    2

    PART-I Intramolecular Wittig Strategy as a Powerful Tool for the Diversity-Oriented Synthesis of Heterocycles and Direct β-Acylation of Pyrazolone/Thiazolone Alkylidene Derivatives Catalyzed by Organophosphanes PART-II Enantioselective Synthesis of Spiro-pyrazolones via Organocatalytic (3+2) Cycloaddition Reaction between 3-Homoacylcoumarin and Unsaturated Pyrazolone Derivatives

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    3

    I. Organophosphane-Catalyzed Direct β-Acylation of 4-Arylidene Pyrazolones and 5-Arylidene Thiazolones with Acyl Chlorides II. Base-Catalyzed Construction of Spirochromeno[3,4-b]pyrrolidines via 1,3-Dipolar Cycloaddition/Intramolecular Annulation of 2-Hydroxy Azomethine Ylides with 2-Hydroxyarylidene Thiazolones

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