Title of article
Synthesis of 4,4-(arylmethylene)bis(1H-pyrazol-5-ols) via multi-component reactions by using silica-bonded sulfamic acid derivatives
Author/Authors
Tayebi، Shekoofeh نويسنده Young Researchers Club, Gachsaran Branch, Islamic Azad University, Gachsaran, Iran , , Niknam، Khodabakhsh نويسنده ,
Issue Information
دوفصلنامه با شماره پیاپی 0 سال 2012
Pages
6
From page
69
To page
74
Abstract
The one-pot, multi-component synthesis of 4,4-(arylmethylene)bis(1H-pyrazol-5-ols) by tandem Knoevenagel-Michael reaction of
phenylhydrazine, ethyl acetoacetate and aldehydes in the presence of silica-bonded N-propylpiperazine sulfamic acid (SBPPSA) as a
recyclable solid acid catalyst was reported. SBPPSA showed much the same efficiency when used in consecutive reaction runs
Journal title
Iranian Journal of Catalysis
Serial Year
2012
Journal title
Iranian Journal of Catalysis
Record number
720269
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