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   NaHSO4 - SiO2 -promoted solvent-free synthesis of benzoxazoles,benzimidazoles,and benzothiazole derivatives  
   
نویسنده kumar k.r. ,satyanarayana p.v.v. ,srinivasa reddy b.
منبع journal of chemistry - 2013 - دوره : 2013 - شماره : 0
چکیده    An efficient protocol has been developed for the preparation of a library of benzoxazole,benzimidazole,and benzothiazole derivatives from reactions of acyl chlorides with o-substituted aminoaromatics in the presence of catalytic amount of silica-supported sodium hydrogen sulphate under solvent-free conditions. simple workup procedure,high yield,easy availability,reusability,and use of ecofriendly catalyst are some of the striking features of the present protocol. © 2013 k. ravi kumar et al.
آدرس research and development division,ra chem pharma limited,prasanth nagar, India, department of chemistry,acharya nagarjuna university,nagarjuna nagar, India, research and development division,ra chem pharma limited,prasanth nagar, India
 
     
   
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