One‐Pot Synthesis of 5‐Substituted 1<i>H</i>‐Tetrazoles from Aryl Bromides with Potassium Hexakis(cyano‐<i>κC</i>)ferrate(4−) (K<sub>4</sub>[Fe(CN)<sub>6</sub>]) as Cyanide Source
Yi‐Zhong ZhuChemical Engineering College, Nanjing University of Science & Technology, Nanjing, 210094, P. R. China (phone: +86-25-84315514; fax: +86-25-84315030)Yiming RenChemical Engineering College, Nanjing University of Science & Technology, Nanjing, 210094, P. R. China (phone: +86-25-84315514; fax: +86-25-84315030)Chun CaiChemical Engineering College, Nanjing University of Science & Technology, Nanjing, 210094, P. R. China (phone: +86-25-84315514; fax: +86-25-84315030)
2009en
ABI
Аннотация
Abstract magnified image A one‐pot procedure for the synthesis of 5‐substituted 1 H ‐tetrazoles through the three‐component reaction between an aryl bromide, potassium hexakis(cyano‐ κC )ferrate(4−) (K 4 [Fe(CN) 6 ]) and NaN 3 catalyzed by [Pd(OAc) 2 ] and ZnBr 2 in the presence of 1,4‐diazabicyclo[2.2.2]octane (dabco) was developed. Furthermore, the reaction occurred under nonacidic conditions and involved a nontoxic cyanide source, making this method a quite attractive one.
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