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A simplified green chemistry approach to the Biginelli reaction using ‘Grindstone Chemistry’
Authors:Ajay K Bose  Suhas Pednekar  Goutam Chakraborty
Institution:a George Barasch Bioorganic Research Laboratory, Department of Chemistry and Chemical Biology, Stevens Institute of Technology, Hoboken, NJ 07030, USA
b Department of Chemistry and Biochemistry, Montclair State University, Montclair, NJ 07043, USA
Abstract:Grindstone Chemistry--a greatly evolved version of Toda’s method of grinding solids together for solvent-free chemical reactions--has been described and its usefulness illustrated by the successful application of this technique to a simplified process for conducting the multi-component Biginelli reaction for the synthesis of physiologically active tetrahydropyrimidinones.
Keywords:Tetrahydropyrimidinone  Reaction by grinding  Solvent-free reaction  p-TSA as an acid catalyst
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