The reaction of potassium cyanoacetohydroxamate 1 with ethyl 2-aryl-hydrazono-3-oxobutyrates 2 gave the unexpected pyrazolo[3,4-c]pyridazines 7 and isoxazolo[5,4-b]pyridines 10 via a one-pot reaction. A mechanistic proof is suggested to account for the products.
钾cyanoacetohydroxamate的反应1用
乙酸乙酯的2-芳基
肼基-3- oxobutyrates 2,得到意想不到的
吡唑并[3,4- c ^ ]
哒嗪7和
异恶唑并[5,4- b〕
吡啶10 通过一釜反应。建议使用机械证据来说明产品。