Clean Procedure and DFT Study for the Synthesis of 2-Amino-3-ethoxycarbonyl-4-(aryl)-4H-pyrano-[3,2-c]-chromene-5-ones  Derivatives: A Novel Class of Potential Antimicrobial and Antioxidant Agents

<table>Scavenging effect on 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical of compounds <b>5</b>.</table>

Journal of Chemistry

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Scheme 4

Scheme 4: Clean Procedure and DFT Study for the Synthesis of 2-Amino-3-ethoxycarbonyl-4-(aryl)-4H-pyrano-[3,2-c]-chromene-5-ones  Derivatives: A Novel Class of Potential Antimicrobial and Antioxidant Agents 

Scheme 4 | Clean Procedure and DFT Study for the Synthesis of 2-Amino-3-ethoxycarbonyl-4-(aryl)-4H-pyrano-[3,2-c]-chromene-5-ones  Derivatives: A Novel Class of Potential Antimicrobial and Antioxidant Agents 