Catalytic asymmetric dearomative [4 + 2] annulation of 2-nitrobenzofurans and 5<i>H</i>-thiazol-4-ones: stereoselective construction of dihydrobenzofuran-bridged polycyclic skeletons
Jian‐Qiang Zhao, Zhou Shun, Zhen‐Hua Wang, Yong You, Shuang Chen, Xiong‐Li Liu, Ming‐Qiang Zhou, Wei‐Cheng Yuan
Abstract
An organocatalytic asymmetric dearomative [4 + 2] annulation of 2-nitrobenzofurans and 5 H -thiazol-4-ones is developed for the construction of dihydrobenzofuran-bridged polycyclic skeletons with good results.
Topics & Concepts
AnnulationChemistryStereoselectivityCatalysisStereochemistryCombinatorial chemistryMedicinal chemistryOrganic chemistryCatalytic C–H Functionalization MethodsSulfur-Based Synthesis TechniquesAsymmetric Synthesis and Catalysis