Phosphine-mediated annulation of N-protected imines with DEAD |
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| Authors: | Zhong LianXiao-Yang Guan Min Shi |
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| Institution: | State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Science, 345 Lingling Road, Shanghai 200032, China |
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| Abstract: | In the presence of triphenylphosphine, the reactions of N-protected imines or their precursors with DEAD proceeded smoothly to give the corresponding functionalized 1H-1,2,4-triazole-1,4(5H)-dicarboxylate derivatives in good to high yields under mild conditions. A plausible mechanism has been proposed on the basis of the control experiments. |
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| Keywords: | Triphenylphosphine N-Protected imine DEAD Annulations |
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