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For the etherification of the oximes, various methods such as sodium inmethanol, aqueous potassium hydroxide in dimethylsulfoxide,potassium hydroxide in methanol, potassium carbonate in acetonitrileunder refluxed conditions, cesium carbonate in N,N-dimethylformamideat 0 ¡ãC, and sodium hydride in N,N-dimethylformamide under room temperature were examined. ллл£¡£¡£¡ ¸Ð¼¤²»¾¡£¡£¡£¡ [ Last edited by ·Åº×ÖÞ on 2010-3-10 at 18:21 ] |
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