Switching between the [2π+2σ] and Hetero‐[4π+2σ] Cycloaddition Reactivity of Bicyclobutanes with Lewis Acid Catalysts Enables the Synthesis of Spirocycles and Bridged Heterocycles - Wang, Ji‐Jie; Tang, Lei; Xiao, Yuanjiu; Wu, Wen‐Biao; Wang, Guoqiang; Feng, Jian‐Jun (Angewandte Chemie International Edition, 2024)
Keywords: Alkanes; Alkenes; Benzene; Bicyclic compounds; Catalysts; Chemical synthesis; Chemistry; Chemistry, Multidisciplinary; Cycloaddition; Heterocycles; Hexanes; Lewis acid; Octanes; Physical Sciences; Science & Technology; Spirooxindoles; Stereoselectivity; Strained molecules; Substrates; Spirooxindoles; Heterocycles; Cycloaddition; Strained molecules; STRAIN-RELEASE; ANNULATION; COMPLEXITY; Bicyclic compounds; CHEMISTRY; DIVERSITY