Fig. 13

DFT calculated LUMO, HOMO, and their energies for 4a (right) and 4j (left) at the B3LYP/6–31 + G (d,p) level of theory
DFT calculated LUMO, HOMO, and their energies for 4a (right) and 4j (left) at the B3LYP/6–31 + G (d,p) level of theory