Sulfonic acid-functionalized silica: a remarkably efficient heterogeneous reusable catalyst for the one-pot synthesis of 1,4-dihydropyridines

An efficient one-pot method for the synthesis of 1,4-dihydropyridines from β -dicarbonyl compounds, aldehyde, and ammonium acetate is reported using sulfonic acid-functionalized silica at 90 $^oC$ under solventfree conditions with good to excellent yields. The catalyst is easily prepared, s...

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Bibliographic Details
Published in:Turkish journal of chemistry 2010-01, Vol.34 (4), p.613-619
Main Authors: MOHAMMADI, BEHZAD, JAMKARANI, SAYYED MOHAMMAD HOSSEINI, KAMALI, TAGHI A., NASROLLAHZADEH, MAHMOUD, MOHAJERI, ALI
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Language:English
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Summary:An efficient one-pot method for the synthesis of 1,4-dihydropyridines from β -dicarbonyl compounds, aldehyde, and ammonium acetate is reported using sulfonic acid-functionalized silica at 90 $^oC$ under solventfree conditions with good to excellent yields. The catalyst is easily prepared, stable (up to 300 $^oC$), reusable, and efficiently used under reaction conditions.
ISSN:1303-6130
1300-0527
1303-6130
DOI:10.3906/kim-0906-28