Hou R, Wang Z, Peng J, Yuan Y, Zhang J, Wang D, Sun T. Conformational Preferences of Allene Ketones in Lewis Base Catalysis: Synthesis of 4 H ‐Pyrans and 3,4‐Dihydro‐2 H ‐pyrans via α ‐Regioselective [4+2] Annulations of γ ‐Substituted Allene Ketones and Activated Alkenes. ASIAN J ORG CHEM 2021. [DOI: 10.1002/ajoc.202100523] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]

Zhang CB, Yuan JF, Cai YH, Xie YS, Li R, Fan MM, Li JJ. Recyclable Heterogeneous Nanocrystal Promoted Cascade Reaction in Water: An Access to Green Synthesis of Highly Functionalized 4H-Pyrans Containing Phosphonate Motif. HETEROCYCLES 2021. [DOI: 10.3987/com-21-14446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]