Fig. 4: Study on product stability.

a Experimental and DFT calculated determination of the enantiomerization barrier of 3. b DFT calculations of the energy barriers of the enantiomerization of 50 and 51. c Experimental validation.

a Experimental and DFT calculated determination of the enantiomerization barrier of 3. b DFT calculations of the energy barriers of the enantiomerization of 50 and 51. c Experimental validation.