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Racemization kinetics. (a) Racemization of (−)-4 at 30 °C followed at 302 nm. The coefficient of determination (R2) was 0.994199021 and confirmed the sufficient goodness of fit for the analysis. (b) Racemization of (E,S,E,S,E,S,E,S)-[8]CPhen3,9 at 30 °C followed at 419 nm. The coefficient of determination (R2) was 0.999784569 and confirmed the sufficient goodness of fit for the analysis.
