Table 2. Substrate Scope^a.

^a1 (0.30 mmol), 2 (0.20 mmol), C-5 or C-9 (5 mol %), aq. NaHCO₃ (50 g/L, 160 μL, 0.5 equiv), CPME (2.0 mL) at rt, 12 h.

^bData for C-5 catalyzed reactions; yields were yields of the isolated products; ee and dr values were determined by HPLC and ¹H NMR analysis, respectively.

^cData for C-9 catalyzed reactions are reported as green words.

^d20 mol % catalyst was used.