A domino reaction comprising four consecutive steps based on the strategy of isomerization of allylicalcohols was developed. This base‐catalyzed protocol provided an approach for constructing polysubstituted quinolines without additional additives. A wide range of di‐ or trisubstituted γ‐aminoaryl allylicalcohols bearing alkyl or (hetero)aryl substituents were transformed to the structurally diverse