By computer simulation of experimental dynamic gas chromatographic elution profiles, the rotational energy barrier ΔG= of racemic 2,2′‐diisopropylbiphenyl has been determined as 114.6–115.0 kJ/mol (75–100°C). These data are in good agreement with a value that was determined previously by measuring the racemization kinetics of an enriched sample. This indicates that there is no measurable catalytic or inhibitory effect of the stationary phase.
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Jung et al. (1994) studied this question.
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