Green Chemistry · 2007 · 118 citations · 22 references
Natural SciencesChemical EngineeringChemistryCatalysisReaction EngineeringCatalyst DesignCatalyst PreparationCatalyst SynthesisSolvent-free SynthesisCatalyst Development For SynthesisCatalyst-free GrowthCatalyst-free PolymerizationCatalyst-free Solvent-free ReactionsMild Reaction ConditionsSolvent Effects On CatalysisSolvent-free CatalysisSolvent-free Heterocycle Synthesis
PEG-assisted solvent and catalyst free synthesis of 3,4-dihydropyrimidinones under mild and neutral reaction conditions is described.
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Catalytic reactions in ionic liquids.
Roger A. Sheldon · Chemical Communications · 2001 · 2.6K citations
100 years of the biginelli dihydropyrimidine synthesis
C. Oliver Kappe · Tetrahedron · 1993 · 1.2K citations
Karnail S. Atwal, Brian N. Swanson, Steven E. Unger et al. · Journal of Medicinal Chemistry · 1991 · 784 citations