Bond fixation in annulenes. 11. Synthesis and absolute configuration of the enantiomeric 1,3-di-tert-butylcyclooctatetraenes. Quantitative kinetic assessment of the effect of nonvicinal tert-butyl groups on [8]annulene ring-inversion and bond-shifting barriers
Bond fixation in annulenes. 11. Synthesis and absolute configuration of the enantiomeric 1,3-di-tert-butylcyclooctatetraenes. Quantitative kinetic assessment of the effect of nonvicinal tert-butyl groups on [8]annulene ring-inversion and bond-shifting barriers
Bond fixation in annulenes. 11. Synthesis and absolute configuration of the enantiomeric 1,3-di-tert-butylcyclooctatetraenes. Quantitative kinetic assessment of the effect of nonvicinal tert-butyl groups on [8]annulene ring-inversion and bond-shifting barriers
作者:Leo A. Paquette、Yuji Hanzawa、Kevin J. McCullough、Bruce Tagle、Wendy Swenson、Jon Clardy