Fig. 5: Evaluation of enantiopurity and stability of (SZn)-[ZnL(NCtBu)] by 19F NMR spectroscopy (C6D6, 300 K, 471 MHz). | Nature Communications

Fig. 5: Evaluation of enantiopurity and stability of (SZn)-[ZnL(NCtBu)] by 19F NMR spectroscopy (C6D6, 300 K, 471 MHz).

From: Asymmetric construction of tetrahedral chiral zinc with high configurational stability and catalytic activity

Fig. 5

a Structure of the chiral shift reagent (R)-mts and the reference spectrum with rac-[Zn2L2] + (R)-mts (1.10 equiv.). b Isolated (SZn)-[ZnL(NCtBu)] + (R)-mts (5 equiv.). c (SZn)-[ZnL(NCtBu)] was heated at 70 °C in C6D6 (8 mM) for one week, then (R)-mts (5 equiv.) was added to the reaction mixture. ee enantiomer excess.

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