Fig. 6: Energy scans simulating the approach of 1a to the catalytic hydride 12.

ZS, ER, ZR, ES: the approach of (Z)-1a or (E)-1a to the catalyst to form the products (S)-2a or (R)-2a, respectively.
ZS, ER, ZR, ES: the approach of (Z)-1a or (E)-1a to the catalyst to form the products (S)-2a or (R)-2a, respectively.