Where a lone pair from the nucleophile overlaps With all the sigma* orbital on the leaving team. Nevertheless, this phase does not provide the exact sensitivity to steric hindrance as the SN2 response, as we've been about to see. The predominance of allylic substitution above other positions is based on https://bromazolamliquidsolution17394.ezblogz.com/69112925/is-bromazolam-an-opioid-an-overview