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Synthesis of 2-amino-4,6-diarylnicotininitriles using 3-propyldiethylenetriamine-silica as a recyclable solid base catalyst
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نویسنده
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Niknam Kh. ,Rashidian R. ,Jamali A.
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منبع
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scientia iranica - 2013 - دوره : 20 - شماره : 6- C - صفحه:1863 -1870
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چکیده
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A simple and ecient procedure for the preparation of 3-propyldiethylenetriaminesilica (pdtas) by reaction of 3-chloropropylsilica withdiethylene-triamine is described. 3-propyldiethylenetriaminesilica is employed as arecyclable base catalyst for the synthesis of 2-amino-4,6-diarylnicotininitrile from thereaction of acetophenone derivatives, aromatic aldehydes, malononitrile, and ammoniumacetate under solvent-free conditions at 100c. the heterogeneous solid base catalyst wasrecycled for four runs upon the reaction of 4-chloroacetophenone, 4-chloroenzaldehyde,malononitrile, and ammonium acetate without losing its catalytic activity.
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کلیدواژه
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3-Propyldiethylenetri aminesilica; ,2-amino-4 ,6- diarylnicotininitriles; ,Solid base catalyst; ,Pyridines; ,Aldehydes; ,Solvent-free.
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آدرس
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persian gulf university, Professor in the Department of Chemistry at the Persian Gulf University, Bushehr, ایران, persian gulf university, MS degrees in Pure and Organic Chemistry in 2010 and 2012, respectively, from the Persian Gulf University of Bushehr,, ایران, persian gulf university, MS degree in Organic Chemistry in 2012 from the Persian Gulf University of Bushehr,, ایران
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Authors
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