Bond fixation in annulenes. 9. Equalization of ring inversion and bond shifting energetics in 1,2,3,4-tetramethylcyclooctatetraene. Asymmetric synthesis direct resolution, and absolute configuration of the optically active hydrocarbon
Bond fixation in annulenes. 9. Equalization of ring inversion and bond shifting energetics in 1,2,3,4-tetramethylcyclooctatetraene. Asymmetric synthesis direct resolution, and absolute configuration of the optically active hydrocarbon