Title of article :
Copper-catalyzed one-pot synthesis of tetrasubstituted pyrazoles from sulfonyl azides, terminal alkynes, and hydrazonoyl chlorides
Author/Authors :
Yavari، نويسنده , , Issa and Nematpour، نويسنده , , Manijeh and Yavari، نويسنده , , Sima and Sadeghizadeh، نويسنده , , Fatemeh، نويسنده ,
Issue Information :
هفته نامه با شماره پیاپی سال 2012
Abstract :
Ketenimine intermediates generated by the addition of copper acetylides to sulfonyl azides are trapped by nitrile imines (generated from hydrazonoyl chlorides and triethylamine) to afford tetrasubstituted pyrazoles in moderate to good yields.
Keywords :
Tosyl azide , Copper iodide , Pyrazole , Ketenimine , Nitrile imine , Hydrazonoyl chloride
Journal title :
Tetrahedron Letters
Journal title :
Tetrahedron Letters
