Isamoxole → N-Butyl-N-(5-hydroxy-4-methyl-1,3-oxazol-2-YL)-2-methylpropanamide

참여 물질

반응 단계

4-methyl-2-(N-butyl isobutyramido)oxazole (15 g., 0.067 m.) in dry methylene chloride (100 c.c.) was cooled to 0° C during the addition of m-chloroperbenzoic acid (16 g., 0.023 m.) over 1 hour. The mixture was then stirred at room temperature for 40 hours. The precipitated m-chlorobenzoic acid was then filtered off and the filtrate evaporated to dryness. The residue was taken in ether (100 c.c.) and stirred with 5% aqueous sodium sulphite solution for 1 hour. The organic phase was then separated and washed successively with aqueous sodium carbonate (× 2) and water, and then dried and evaporated to give a brown oil, 13.9 g.

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