• Title of article

    Efficient syntheses of 2-(2,6-dichloro-4-trifluoromethyl-phenyl)tetrahydrocyclopenta, tetrahydrothiopyrano, hexahydrocycloheptapyrazoles and tetrahydroindazoles

  • Author/Authors

    Meegalla، نويسنده , , Sanath K. and Doller، نويسنده , , Dario and Liu، نويسنده , , Ruiping and Sha، نويسنده , , Deyou and Soll، نويسنده , , Richard M. and Dhanoa، نويسنده , , Dale S.، نويسنده ,

  • Issue Information
    هفته نامه با شماره پیاپی سال 2002
  • Pages
    4
  • From page
    8639
  • To page
    8642
  • Abstract
    Two methods are described for the regiospecific synthesis of 3,4-fused-cycloalkyl-1-arylpyrazoles; the key step is the reaction between aryl hydrazines and cyclic α-(dimethoxymethyl)ketones. The latter are obtained by BF3-promoted alkylation of ketones with trimethylorthoformate.
  • Keywords
    arylpyrazoles , Synthesis , Boron trifluoride , Alkylation , trimethylorthoformate
  • Journal title
    Tetrahedron Letters
  • Serial Year
    2002
  • Journal title
    Tetrahedron Letters
  • Record number

    1659182