L-Tyrosine as an Eco-Friendly and Efficient Catalyst for Knoevenagel Condensation of Arylaldehydes with Meldrum’s Acid in Solvent-Free Condition under Grindstone Method

<table>Plausible mechanism for the formation of <b>3</b> from <b>1</b> and <b>2</b> in the presence of L-tyrosine under solvent-free condition at room temperature.</table>

Organic Chemistry International

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Scheme 2

Scheme 2: L-Tyrosine as an Eco-Friendly and Efficient Catalyst for Knoevenagel Condensation of Arylaldehydes with Meldrum’s Acid in Solvent-Free Condition under Grindstone Method 

Scheme 2 | L-Tyrosine as an Eco-Friendly and Efficient Catalyst for Knoevenagel Condensation of Arylaldehydes with Meldrum’s Acid in Solvent-Free Condition under Grindstone Method 