Unusual Methodologies in Chemical Synthesis

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1. [High Pressure] Enzymatic resolution of ((〕SY.+-.〔)) BCA, cleavage of esters under nearly neutral conditions, Diels-Alder reaction of fullerene with tropone, and synthesis of Ag^+ specific crown-ethers were achived under high pressure.2. [Ultrasound] Employing ultrasound technique, hydrooxystannation of alkenes, fluorination of benzyl halides, and mechanochemical block copolymerization of poly (vinyl chloide) with stirene were realized. Effects of ultrasound on biomaterials were also investigated.3. [Flash Vacuum Pyrolysis] Intramoleculatr reactions of unsaturated Si-Si and Ge-Ge compounds, and rearrangements reactions of phenyl carbene were demonstrated to take place under flash vacuum pyrolysis conditons.4. [Plasma] Hybrid films composed of inorganic and organic materials are desinged using pulsed plasma. In conection with plasma chemistry, contact glow-discharge electrolysis (CGDE) is also studied.