A Concise Assembly of Electron‐Deficient 2, 4‐Dienes and 2, 4‐Dienals: Regio‐ and Stereoselective exo‐Diels–Alder and Redox Reactions through Sequential Amine and Carbene Catalysis1. (29th November 2012) - Ma, Chao; Jia, Zhi‐Jun; Liu, Jing‐Xin; Zhou, Qing‐Qing; Dong, Lin; Chen, Ying‐Chun