Fig. 6: Proposed reaction mechanism and confirmatory studies.
From: Bicarbonate-binding catalysis for the enantioselective desymmetrization of keto sulfonium salts

Top: Energy profile. DFT M06-2X/6-31 + G(d,p)//M06-2X/6-31 G(d,p) (PCM = chloroform) reaction energy profile for both enantiomer (major in purple, minor in blue). Bottom: proposed catalytic cycle.