Table 2. Reactions of salicylaldehyde derived arylidene malonates ^a .

^aReaction conditions: 1 (0.2 mmol), HEH (0.3 mmol), PC 7 (1 mol%), Sc(OTf)₃ (10 mol%), degassed CH₃CN (2.0 mL) was irradiated with a blue LED (456 nm) for 5 h. Reported yields are determined after isolation by column chromatography.