Bond fixation in annulenes. 12. Effect of vicinal di-tert-butyl substitution on cyclooctatetraene valence isomerization. 7,8-Di-tert-butylbicyclo[4.2.0]octa-2,4,7-triene
Bond fixation in annulenes. 12. Effect of vicinal di-tert-butyl substitution on cyclooctatetraene valence isomerization. 7,8-Di-tert-butylbicyclo[4.2.0]octa-2,4,7-triene