This paper reports the improvement on the synthesis of 5 methylisoxazol 3 formamide by Claisen condensation of diethyl oxalacetate followed by cyclization and ammonolysis.
讨论了以草酸二乙酯为
,
过克莱森缩
、环、氨解反
5甲基异唑3甲酰胺工艺的改进。
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3G, 401(K), a,
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