Restricted Rotation Involving the Tetrahedral Carbon. LIX. Stereodynamics of Singly peri-Substituted 9-(3,5-Dimethylphenoxy)triptycene Derivatives

Article abstract of DOI:10.1246/bcsj.59.3597

Five singly peri-substituted derivatives of 9-(3,5-dimethylphenoxy)triptycene with F, OCH3, CH3, Br, and C(CH3)3 as the peri-substituent were synthesized and their dynamic NMR behavior was studied.In any of the compounds, two m-methyl groups in the phenox