Formal [2 + 2]-Cycloadditions via Bifunctional H-Bond Directing Dienamine Catalysis

Jacs

Asymmetric Organocatalytic Formal [2 + 2]-Cycloadditions via Bifunctional H-Bond Directing Dienamine Catalysis
Łukasz Albrecht, Gustav Dickmeiss, Fabio Cruz Acosta, Carles Rodríguez-Escrich, Rebecca L. Davis, and Karl Anker Jørgensen