Zinc‐Catalyzed Asymmetric Formal [4+3] Annulation of Isoxazoles with Enynol Ethers by 6π Electrocyclization: Stereoselective Access to 2H‐Azepines - Zhu, Xin‐Qi; Wang, Ze‐Shu; Hou, Bo‐Shang; Zhang, Hao‐Wen; Deng, Chao; Ye, Long‐Wu (Angewandte Chemie International Edition, 2020)
Keywords: Alkynes; annulation; asymmetric catalysis; Asymmetry; Atom economy; Catalysis; Chemical reactions; Chemistry; Chemistry, Multidisciplinary; electrocyclization; Ethers; heterocycles; Organic chemistry; Physical Sciences; Science & Technology; Stereoselectivity; Stereospecificity; Substrates; Zinc; ENANTIOSELECTIVE SYNTHESIS; RING-EXPANSION; C-H ANNULATION; alkynes; EFFICIENT SYNTHESIS; asymmetric catalysis; CYCLOADDITION; annulation; GOLD CARBENES; heterocycles; KINETIC RESOLUTION; BIOLOGICAL EVALUATION; SELECTIVE SYNTHESIS; YNOL ETHERS; electrocyclization