Catalytic Asymmetric Cycloaddition of In Situ-Generated ortho-Quinone Methides and Azlactones by a Triple Brønsted Acid Activation Strategy - Yu, Xiao-Ye; Chen, Jia-Rong; Wei, Qiang; Cheng, Hong-Gang; Liu, Zhi-Cheng; Xiao, Wen-Jing (Chemistry : a European journal, 2016)
Keywords: Activation; Asymmetry; Bearing; Catalysis; Chemistry; Chemistry, Multidisciplinary; Cycloaddition; Enantiomers; heterocycles; lactones; methides; Physical Sciences; Quinones; Science & Technology; Strategy; synthetic methods; SULFUR YLIDES; ENANTIOSELECTIVE SYNTHESIS; TRIARYLMETHANES; methides; FORMAL 4+1 ANNULATION; CLASSIFICATION; lactones; cycloaddition; heterocycles; DIELS-ALDER REACTION; CONSTRUCTION; DERIVATIVES; synthetic methods; IN-SITU; DIHYDROCOUMARINS