Meta Direction Groups Video January 20, 2015 By Leah4sci 1 Comment EAS Series: Video 12 This video shows you the nature of deactivating groups as meta directors through through logic and structure to help you avoid memorization. (Watch on YouTube: M Directing. Click CC on bottom right for transcript.) <– Watch Previous Video: Ortho Para Directing Groups –> Watch Next Video: Halogen Exception Orgo Para Deactivators This is Video 12 in the Electrophilic Aromatic Substitution Video Series. Click HERE for the entire series.