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 3

Table 3: NBO charges of the acidic protons of compound 5c calculated at the DFT/B3LYP level of theory.


NBO charge of the acidic protons

Ha		Hb		Hc
0.40	0.44	0.21	0.21	0.29