Organocatalytic, Asymmetric Eliminative [4+2] Cycloaddition of Allylidene Malononitriles with Enals: Rapid Entry to Cyclohexadiene‐Embedding Linear and Angular Polycycles
Enantioselective Organocatalytic Diels–Alder Trapping of Photochemically Generated Hydroxy-o-Quinodimethanes
