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■ Convenient Synthesis of Novel Nitrones: (Z)-4-Amino-5-hydroxyimino-2,5-dihydro-1H-imidazole 3-Oxides

Xue-Qin Cao, Zhan-Xiong Li, Wen-Xing Zhong, Li-Hua Qiu, and Guo-Qiang Chen*

*College of Textile and Clothing Engineering, Soochow University, 178#, Ganjiang East Road, Suzhou, Jiangsu 215021, China

Abstract

Highly functionalized derivatives of (Z)-4-amino-5-(hydroxyimino)-2,5-dihydro-1H-imidazole 3-oxide were first and conveniently synthesized by the reactions of 3,4-diaminoglyoxime with benzaldehyde derivatives in the presence of p-toluenesulfonic acid. The procedure represents an effective method to obtain a new kind of nitrones.