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 4

The EC₅₀ values exhibited by 2-amino-3-ethoxycarbonyl-4-(aryl)-4H-pyrano-[3,2-c]-chromene-5-ones 5.

Compounds 5a–e	CI50 (10^−3 mol · L^−1)
5a	0
5b	0
5c	0.001
5d	0
5e	0.034
Trolox (DCM/DMSO)	0.012/0