Three-component reactions based on trapping ammonium ylides with N-sulfonyl aldimines via cooperative catalysis of squaramides and Rh₂(OAc)₄

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• 作者：Lin Qiu ; Dongwei Wang ; Fengping Lv ; Xin Guo ; Wenhao Hu ; Liping Yang ; Shunying Liu
• 关键词：Ammonium ylide ; Multicomponent reaction ; Cooperative catalysis ; Squaramides
• 刊名：Tetrahedron
• 出版年：18 February, 2014
• 年：2014
• 卷：70
• 期：7
• 页码：1471-1477
• 全文大小：629 K

文摘

Three-component reactions of aryl diazoacetates, arylamines and N-sulfonyl aldimines cooperatively catalyzed by squaramides and dirhodium acetate are reported to afford N-sulfonyl 伪,尾-diamino acid derivatives in moderate to good yields and diastereoselectivity.