Table 3. Scope of gem-difluoroalkenesa.
Reaction conditions: 1a (0.2 mmol, 1.0 equiv.), 2 (0.3 mmol, 1.5 equiv.), Ru(bpy)3Cl2 (1 mol%), Cs2CO3 (0.3 mmol, 1.5 equiv.), CH3CN (0.05 M), under N2. Isolated yield. n. r. = no reaction.
Recovery of 1a was given in parentheses.
Using K2CO3 instead of Cs2CO3.