• Title of article

    A novel transformation of 1-exo-substituted 2a-aroyl-1,2,2a,8b-tetrahydro-3H-benzo[b]cyclobuta[d]pyran-3-ones with sulfoxonium ylide to highly strained 2a-(1-arylethenyl)-1,2,2a,7b-tetrahydrocyclobuta[b]benzofurans

  • Author/Authors

    Yadav، نويسنده , , Navnath Dnyanoba and Yamashita، نويسنده , , Masayuki and Nagahama، نويسنده , , Masaki and Inaba، نويسنده , , Tomoki and Sawaki، نويسنده , , Takeshi and Kawasaki، نويسنده , , Ikuo and Kurume، نويسنده , , Ai and Ohta، نويسنده , , Shunsaku، نويسنده ,

  • Issue Information
    هفته نامه با شماره پیاپی سال 2008
  • Pages
    4
  • From page
    1627
  • To page
    1630
  • Abstract
    When 1-substituted 2a-aroyl-1,2,2a,8b-tetrahydro-3H-benzo[b]cyclobuta[d]pyran-3-ones (1) were treated with dimethylsulfoxonium methylide, 1-endo isomers (endo-1) gave 1-substituted 3-aroyl-1,2,4a,9b-tetrahydrodibenzofuran-4-ols (2) exclusively as expected. On the other hand, 1-exo isomers (exo-1) underwent a novel transformation to 1-substituted 2a-(1-arylethenyl)-1,2,2a,7b-tetrahydrocyclobuta[b]benzofurans (3), together with 2.
  • Keywords
    Sulfur ylide , Tetrahydrodibenzofuran , Skelton transformation
  • Journal title
    Tetrahedron Letters
  • Serial Year
    2008
  • Journal title
    Tetrahedron Letters
  • Record number

    1858438