N-アシルアミン類および関連化合物の四酸化ルテニウム酸化

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概要

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• The basic utility and application of ruthenium tetroxide (RuO4) oxidation of N-acyl amines and their related compounds including optically active substrates are described. The oxidation of acyclic and cyclic N-acyl amines proceeded smoothly at room temperature by active RuO4, which was generated in situ from a catalytic amount of ruthenium dioxide (RuO2·xH2O) and an excess of 10% aqueous sodium metaperiodate (NaIO4) in a double layer system of ethyl acetate-water to afford the corresponding imides in good to excellent yields. Cyclic ene-carbamates were oxidized at their carbon-carbon double bond to produce ω-(N-formylamino)carboxylic acids as the major products. The conventional double layer system of the reaction medium was changed to a single layer aqueous system containing tert-butanol, in which oxidation directly cleaved the endo-cyclic C-N bond to give ω-amino acids as the sole open-ring products. The syntheses of baclofen, lycoperdic acid, optically active pyrrolidine-3-phosphonic acids and L-carnitine were accomplished using RuO4 oxidation as the key step.

著者

• 指田 春喜

  北陸大学薬学部

• 要 衛

  Faculty Of Pharmaceutical Sciences Of Hokuriku University

• Yoshifuji Shigeyuki

  Faculty Of Pharmaceutical Sciences Of Hokuriku University

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• N-アシルアミン類および関連化合物の四酸化ルテニウム酸化
• N-アシルアミン類および関連化合物の四酸化ルテニウム酸化
• 支部例会を重視しよう(活気ある支部活動)

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