Title of article
Synthesis of 5-arylamino-1-arylpyrazoles from 5-aminopyrazoles with arylhalides via CuI catalyzed Ullman coupling reaction
Author/Authors
En-Chiuan Chang، نويسنده , , Chun-Yen Chen، نويسنده , , Liya Wang، نويسنده , , Yuying Huang، نويسنده , , Mou-Yung Yeh، نويسنده , , Fung Fuh Wong، نويسنده ,
Issue Information
هفته نامه با شماره پیاپی سال 2013
Pages
7
From page
570
To page
576
Abstract
An efficient method for synthesis of 5-arylamino-1-arylpyrazoles was developed by Ullman coupling reaction of 5-aminopyrazoles and arylhalides in the presence of cuprous iodide (CuI) as the catalyst. The corresponding 5-N-arylaminopyrazole products were obtained in good yields (≥65%).
Keywords
cross-coupling reaction , 5-Amino-pyrazoles , 5-Mono-N-substituted aminopyrazoles , Amination , Copper iodide
Journal title
Tetrahedron
Serial Year
2013
Journal title
Tetrahedron
Record number
1105341
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