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. 2022 Oct 12;89(1):1–8. doi: 10.1021/acs.joc.2c01830

Figure 5.

Figure 5

(a) UV–vis spectra of (Ra)-2 in dichloroethane (10–5m) initially (purple), after irradiation at 365 nm for 12 min at 10 °C (orange), and after keeping in the dark for 50 min at 10 °C (green); (b) UV–vis spectra of (Sa)-2 in dichloroethane (10–5m) initially (purple), after irradiation at 365 nm for 2 min at 10 °C (orange), and after keeping in the dark for 25 min at 20 °C (green); and (c) CD spectra of the first eluted fraction (F1) of (Sa)-2S and the second eluted fraction (F2) of (Sa)-2S in dichloroethane at room temperature, after irradiation at 365 nm, and after THI after keeping in the dark at room temperature.