SONICATED ASSISTED SYNTHESIS OF BENZIMIDAZOLES, BENZOXAZOLES AND BENZOTHIAZOLES IN AQUEOUS MEDIA
作者:SANDEEP D PARDESHI、JAYANT P SONAR、SHIVAJI S PAWAR、DEEPAK DEKHANE、SUNIL GUPTA、ASHOK M ZINE、SHIVAJI N THORE
DOI:10.4067/s0717-97072014000100020
日期:——
ABSTRACT Ammonium nickel sulphate [(NH 4 ) 2 SO 4 .NiSO 4 .6H 2 O] was found as a new catalyst to synthesis 2-aryl benzimidazole, 2-aryl benzothiazole and 2-aryl benzoxazole in aqueous media under sonication irradiation. The procedure is an eco-friendly, efficient and provides simple workup and good yield. Keywords : - Benzimidazole, benzothiazole, benzoxazole, aqueous media, sonication, ammonium nickel
摘要发现硫酸铵镍[(NH 4)2 SO 4 .NiSO 4 .6H 2 O]是在水介质中超声辐照下合成2-芳基苯并咪唑,2-芳基苯并噻唑和2-芳基苯并恶唑的新催化剂。该过程是环保,高效的,并且提供简单的后处理和良好的产率。关键词:-苯并咪唑,苯并噻唑,苯并恶唑,水介质,超声处理,硫酸铵镍。电子邮件:snthore@rediffmail.com简介苯并咪唑,苯并恶唑和苯并唑是重要的杂环核,已广泛用于药物化学1,2。这些杂环是药物开发中重要的药效团3,4和许多重要有机化合物合成中的良好中间体5。这些杂环化合物具有不同的药理特性,例如抗菌6,抗病毒7,