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NaHSO4 - SiO2 -promoted solvent-free synthesis of benzoxazoles,benzimidazoles,and benzothiazole derivatives
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نویسنده
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kumar k.r. ,satyanarayana p.v.v. ,srinivasa reddy b.
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منبع
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journal of chemistry - 2013 - دوره : 2013 - شماره : 0
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چکیده
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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.
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آدرس
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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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Authors
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