The Felkin-Anh Model · Predicting Facial Selectivity at a Carbonyl
unseel.com · Bürgi-Dunitz · σ*C–L · diastereoselectivity
perp group L (large)
trajectory
product
step
carbonyl C=O
L — large / σ*-acceptor
M — medium · S — small
nucleophile (Nu⁻)
σ*C–L hyperconjugation
Unseel.com · Felkin-Anh Model Unseel.com · The Felkin-Anh Model — Concepts