Palladium-catalyzed selective synthesis of 2-allyltetrazoles |
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| Authors: | Kamijo Shin Jin Tienan Yamamoto Yoshinori |
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| Institution: | Research Center for Sustainable Materials Engineering, Institute of Multidisciplinary Research for Advanced Materials, and Department of Chemistry, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan. |
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| Abstract: | The palladium-catalyzed three-component coupling (TCC) reaction of cyano compounds, allyl methyl carbonate, and trimethylsilyl azide under a catalytic amount of Pd2(dba)3.CHCl3 (2.5 mol %) and tri(2-furyl)phosphine (10 mol %) gave various kinds of 2-allyltetrazoles in good to excellent yields. A pi-allylpalladium azide complex is proposed as a key intermediate in the TCC reaction. |
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