After all, as soon as the C-C pi bond has damaged, free of charge rotation might be possible with regard to the C-C one bond. Which means it’s feasible to draw conformational isomers of the anti The predominance of allylic substitution about other positions is based on bond dissociation energies. https://bromazolam-powder70370.mdkblog.com/43589539/the-solution-de-bromoforme-diaries