Copper-catalyzed highly efficient multicomponent reactions: synthesis of 2-(sulfonylimino)-4-(alkylimino)azetidine derivatives |
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| Authors: | Xu Xiaoliang Cheng Dongping Li Jinghua Guo Hongyun Yan Jie |
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| Affiliation: | College of Chemical Engineering and Materials Science and College of Pharmaceutical Science, Zhejiang University of Technology, Hangzhou 310014, People's Republic of China. xuxiaoliang@zjut.edu.cn |
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| Abstract: | [reaction: see text] Under very mild conditions, functionalized 2-(sulfonylimino)-4-(alkylimino)azetidine derivatives were prepared in good to excellent yields via a copper-catalyzed multicomponent reaction of readily available terminal alkynes, sulfonyl azides, and carbodiimides without the assistance of a base. The mechanism may be through a [2 + 2] cycloaddition. |
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