An interesting recyclization in the course of reduction of 1-(2-nitro-4-R-phenyl)-1H-benzimidazoles with tin(II) chloride

作者：Begunov Roman S^*; Shebunina Tatyana V; Yakovleva Yulia S; Firgang Sergey I

来源：Mendeleev Communications, 2013, 23(6): 354-355.

DOI：10.1016/j.mencom.2013.11.018

Reduction of 1-(2-nitro-4-R-phenyl)-1H-benzimidazoles with tin(H) chloride in an acidic water alcohol medium is accompanied by unusual recyclization of 1-(2-amino-4-R-phenyl)-1H-benzimidazoles formed at the first stage into isomeric 1-(2-aminopheny1)-5-R- 1H-benzimidazoles.

• 出版日期2013-12