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
Pages
2
From page
1889
To page
1890
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
Serial Year
2012
Journal title
Tetrahedron Letters
Record number
1880459
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