Conformation and stereodynamics of a highly hindered ethane, 1,2-Bis(2,4,6-tri-tert-butylphenyl)ethane, and of the corresponding ethyl radical

Article abstract of DOI:10.1021/ja00164a011

The variable-temperature dynamic NMR spectra of the title compound (1, ArCH₂CH₂Ar, where Ar = 2,4,6-tri-tert-butylphenyl) allowed the free energy of activation (ΔG(≠) = 12.9 kcal mol^-1) to determined for the internal molec