Fig. 8: Substrate scope (continued from Fig. 7).
From: Superacid counteranion as flexible-coordinating ligand for asymmetric organo-bismuth catalysis
aReaction conditions: α-Keto thioesters (4, 0.3 mmol), allyl–Bpin (2, 1.0 equiv., 0.3 mmol), Bi(OAc)3 (3 mol%, 0.009 mmol), NTPA-7 (3 mol%, 0.009 mmol), PhMe (0.1 M, 3.0 mL), −20 °C, 48 h. bYield (%) was determined after column chromatographic purification. cEnantiomeric excess (ee) value was determined by chiral HPLC analysis. dReaction was performed at 25 °C. eReaction was performed in 0.2 mmol scale. Me methyl, OMe methoxy.
