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. Author manuscript; available in PMC: 2020 Sep 17.
Published in final edited form as: J Am Chem Soc. 2019 Jul 8;141(28):11151–11160. doi: 10.1021/jacs.9b03844

Figure 8.

Figure 8.

UV–vis spectra for the four stereoisomers of 2-aminocyclohexanol with 3-hydroxy-pyridine-2-carboxaldehyde and Fe(OTf)2. The UV–vis spectra were recorded in CH3CN at 25 °C (0.5 mM Fe(OTf)2, 1.5 mM 8, 1 cm cell).