Covalently anchored sulfonic acid on silica gel (SiO2-R-SO3H) as an efficient and reusable heterogeneous catalyst for the one-pot synthesis of 1,8-dioxo-octahydroxanthenes under solvent-free conditions

2009 ◽  
Vol 20 (5) ◽  
pp. 539-541 ◽  
Author(s):  
Gholam Hossein Mahdavinia ◽  
Mohammad A. Bigdeli ◽  
Yaser Saeidi Hayeniaz
Keyword(s):  
Heterogeneous Catalyst ◽  
Silica Gel ◽  
Sulfonic Acid ◽  
Solvent Free ◽  
One Pot ◽  
One Pot Synthesis ◽  
Solvent Free Conditions ◽  
The One

Zirconia Sulfuric Acid: An Efficient Heterogeneous Catalyst for the One-Pot Synthesis of 3,4-Dihydropyrimidinones Under Solvent-Free Conditions

2016 ◽  
Vol 146 (6) ◽  
pp. 1040-1049 ◽  
Author(s):  
Maliheh M. Hosseini ◽  
Eskandar Kolvari ◽  
Nadiya Koukabi ◽  
Maryam Ziyaei ◽  
Mohammad Ali Zolfigol
Keyword(s):  
Sulfuric Acid ◽  
Heterogeneous Catalyst ◽  
Solvent Free ◽  
One Pot ◽  
One Pot Synthesis ◽  
Solvent Free Conditions ◽  
The One ◽  
Efficient Heterogeneous Catalyst
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