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合成了8种 N-(1-苯基-3-羟基-5-吡唑酮-4-亚甲基)-去甲基伪麻黄碱和1-苯基-3-羟基-4-取代氨基亚甲基-5-吡唑酮衍生物。新化合物的结构均已经元素分析和红外光谱确定。
Eight N- (1-phenyl-3-hydroxy-5-pyrazolone-4-methylene) -demethyl pseudoephedrine and 1-phenyl-3-hydroxy-4-substituted aminomethylene -5-pyrazolone derivatives. The structure of the new compounds have been determined by elemental analysis and infrared spectroscopy.