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   Zirconyl (IV) nitrate as efficient and reusable solid Lewis acid catalyst for the synthesis of benzimidazole derivatives  
   
نویسنده gorepatil p.b. ,mane y.d. ,ingle v.s.
منبع journal of chemistry - 2013 - دوره : 2013 - شماره : 0
چکیده    The present paper introduces a simple and efficient method for the synthesis of substituted benzimidazoles by heterocyclization of different o-phenylenediamines and substituted aromatic carboxylic acid/aldehyde in the presence of zirconyl nitrate as catalyst in ethanol under reflux,which produced excellent yield of corresponding benzimidazoles in a short reaction time with reusability of catalyst. © 2013 pratapsinha b. gorepatil et al.
آدرس department of chemistry,research centre,s. c. s. college,omerga, India, department of chemistry,research centre,s. c. s. college,omerga, India, department of chemistry,research centre,s. c. s. college,omerga, India
 
     
   
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