The Reaction of 3‐Arylsydnone‐4‐Carbohydroximic Acid Chlorides with Active Methylene Compounds (II)
作者： Mei-Hsiu Shih , Mou-Yung Yeh
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摘要: In the presence of triethylamine, 3-arylsydnone-4-carbohydroximic acid chlorides react not only with active methylene compounds containing keto groups to give 3-aryl-4-(4′,5′-disubstituted-isoxazol-3′-yl)sydnones, but also cyano produce 3-aryl-4-(4′-substituted-5′-aminoisoxazol-3′-yl)sydnones or 3-aryl-4-(4′-cyano-5′-substituted-isoxazol-3′-yl)sydnones.
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