Journal
PHARMACEUTICAL CHEMISTRY JOURNAL
Volume 48, Issue 10, Pages 679-682Publisher
SPRINGER
DOI: 10.1007/s11094-015-1170-7
Keywords
zeolite ZSM-5; dihydropyrimidines (DHPMs); Biginelli reaction; solvent-free reaction; recyclable catalyst
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Funding
- Department of Chemistry, Jankidevi Bajaj College of Science, Wardha
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Azeolite ZSM-5 catalyzed simple, one-pot solvent-free, cost-effective and environmental benign protocol for the synthesis of dihydropyrimidines (DHPMs) have been developed. Aseries of substituted 1,4-DHPM derivatives have been synthesized by one-pot Biginelli type cyclocondensation of ethylacetoacetate, aromatic/heteroaromatic aldehydes, and urea/thiourea with a catalytic amount of zeolite under solvent-free protocol in a sufficiently high yield. The catalyst is recyclable and can be used repeatedly.
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