Bond fixation in annulenes. 16. Synthesis of the 1,2-dimethyl-3-phenylcyclooctatetraene .dblarw. 1,8-dimethyl-2-phenylcyclooctatetraene bond shift isomer pair. Probe of the relative size of a flanking phenyl substituent by means of racemization kinetics
Bond fixation in annulenes. 16. Synthesis of the 1,2-dimethyl-3-phenylcyclooctatetraene .dblarw. 1,8-dimethyl-2-phenylcyclooctatetraene bond shift isomer pair. Probe of the relative size of a flanking phenyl substituent by means of racemization kinetics