scholarly journals A Fast, Highly Efficient, and Green Protocol for Synthesis of Biscoumarins Catalyzed by Silica Sulfuric Acid Nanoparticles as a Reusable Catalyst

2013 ◽  
Vol 2013 ◽  
pp. 1-5 ◽  
Author(s):  
Bahareh Sadeghi ◽  
Tayebe Ziya
Keyword(s):  
Sulfuric Acid ◽  
Aromatic Aldehyde ◽  
High Yield ◽  
Reusable Catalyst ◽  
Silica Sulfuric Acid ◽  
Green Protocol ◽  
Highly Efficient

Silica sulfuric acid nanoparticles have been prepared and shown to efficiently catalyse the reaction between an aromatic aldehyde or phenylglyoxal and a 4-hydroxycoumarin at reflux in EtOH to afford the biscoumarin derivatives in high yield.

scholarly journals A Green Solventless Protocol for the Synthesis ofβ-Enaminones andβ-Enamino Esters Using Silica Sulfuric Acid as a Highly Efficient, Heterogeneous and Reusable Catalyst

2010 ◽  
Vol 7 (4) ◽  
pp. 1546-1554 ◽  
Author(s):  
Alireza Hasaninejad ◽  
Abdolkarim Zare ◽  
Mohammad Rez Mohammadizadeh ◽  
Mohsen Shekouhy ◽  
Ahmad Reza Moosavi-Zare
Keyword(s):  
Sulfuric Acid ◽  
Reaction Times ◽  
Recyclable Catalyst ◽  
Solvent Free ◽  
Reusable Catalyst ◽  
Silica Sulfuric Acid ◽  
Dicarbonyl Compounds ◽  
Highly Efficient ◽  
Solvent Free Conditions

Silica sulfuric acid is utilized as a green, highly efficient, heterogeneous and recyclable catalyst for the preparation ofβ-enaminones andβ-enamino esters from amines andβ-dicarbonyl compounds under solvent-free conditions at 80 °C. Using this method, the title compounds are produced in high to excellent yields and in short reaction times.

Silica Sulfuric Acid: An Efficient and Reusable Catalyst for the One-Pot Synthesis of 3,4-Dihydropyrimidin-2(1H)-ones.

ChemInform ◽  
2003 ◽  
Vol 34 (27) ◽  
Author(s):  
Peyman Salehi ◽  
Minoo Dabiri ◽  
Mohammad Ali Zolfigol ◽  
Mohammad Ali Bodaghi Fard
Keyword(s):  
Sulfuric Acid ◽  
Reusable Catalyst ◽  
Silica Sulfuric Acid ◽  
One Pot ◽  
One Pot Synthesis ◽  
The One

scholarly journals Highly Efficient One-pot Synthesis, Antimicrobial and Docking Studies of Newer β-amino Carbonyl Derivatives Catalyzed by Silica Sulfuric Acid

2012 ◽  
Vol 85 (3) ◽  
pp. 255-268 ◽  
Author(s):  
Kh. A. M. El-Bayouki ◽  
W. M. Basyouni ◽  
A. S. El-Sayed ◽  
W. M. Tohamy ◽  
A. A. El-Henawy
Keyword(s):  
Sulfuric Acid ◽  
Docking Studies ◽  
Silica Sulfuric Acid ◽  
One Pot ◽  
Highly Efficient ◽  
One Pot Synthesis ◽  
Carbonyl Derivatives

Facile and green synthesis of triarylmethanes using silica sulfuric acid as a reusable catalyst under solvent-free conditions

2011 ◽  
Vol 14 (10) ◽  
pp. 934-943 ◽  
Author(s):  
I. Mohammadpoor-Baltork ◽  
M. Moghadam ◽  
S. Tangestaninejad ◽  
V. Mirkhani ◽  
K. Mohammadiannejad-Abbasabadi ◽  
...  
Keyword(s):  
Sulfuric Acid ◽  
Green Synthesis ◽  
Solvent Free ◽  
Reusable Catalyst ◽  
Silica Sulfuric Acid ◽  
Solvent Free Conditions
Sign in / Sign up

Export Citation Format

Share Document