A Mild Procedure for the Preparation of o-Nitrophenols by Nitro Urea or Ammonium Nitrate in the Presence of Silica Sulfuric Acid （SiO2-OSO3H）  

作　　者：Ghorbani-Choghamarani,Arash Nikoorazm,Mohsen Goudarziafshar.Hamid Naserifar,Zahra Zamani,Parisa 

机构地区：[1]Department of Chemistry, Faculty of Science, llam University, P.O. Box 69315516 llam, lran

出　　处：《Chinese Journal of Chemistry》2011年第4期731-734,共4页中国化学（英文版）

摘　　要：A mixture of ammonium nitrate or nitro urea and silica sulfuric acid was found to be efficient and environmentally friendly nitrating media for the preparation of orto-nitro phenols in dichloromethane at room temperature.A mixture of ammonium nitrate or nitro urea and silica sulfuric acid was found to be efficient and environmentally friendly nitrating media for the preparation of orto-nitro phenols in dichloromethane at room temperature.

关 键 词：NITRATION phenol nitro urea ammonium nitrate silica sulfuric acid 

分 类 号：TQ127.2[化学工程—无机化工] X791.03[环境科学与工程—环境工程]