Fe3O4@Boehmite-NH2-CoII NPs: An Environment Friendly Nanocatalyst for Solvent Free Synthesis of Coumarin Derivatives Through Pechmann Condensation Reaction

2019 ◽  
Vol 2 (3) ◽  
pp. 367-376 ◽  
Author(s):  
Somayeh Pakdel ◽  
Batool Akhlaghinia ◽  
Arezou Mohammadinezhad
Keyword(s):  
Condensation Reaction ◽  
Solvent Free ◽  
Coumarin Derivatives ◽  
Environment Friendly ◽  
Pechmann Condensation ◽  
Solvent Free Synthesis

scholarly journals Barium Dichloride as a Powerful and Inexpensive Catalyst for the Pechmann Condensation without Using Solvent

2012 ◽  
Vol 2012 ◽  
pp. 1-5 ◽  
Author(s):  
Saeed Khodabakhshi
Keyword(s):  
Green Chemistry ◽  
Organic Solvents ◽  
Condensation Reaction ◽  
Reaction Times ◽  
Solvent Free ◽  
Coumarin Derivatives ◽  
Inexpensive Method ◽  
Keto Esters ◽  
Pechmann Condensation ◽  
Solvent Free Conditions

Various coumarin derivatives have been efficiently synthesized via barium dichloride-catalyzed Pechmann condensation reaction of various phenols and β-keto esters under solvent-free conditions. This novel and inexpensive method has advantages such as short reaction times, excellent product yields, and avoidance of organic solvents in agreement with green chemistry principles.

scholarly journals Easy Access to Coumarin Derivatives Using Alumina Sulfuric Acid as an Efficient and Reusable Catalyst under Solvent-Free Conditions

2013 ◽  
Vol 2013 ◽  
pp. 1-6 ◽  
Author(s):  
Ali Amoozadeh ◽  
Majid Ahmadzadeh ◽  
Eskandar Kolvari
Keyword(s):  
Sulfuric Acid ◽  
Condensation Reaction ◽  
Solvent Free ◽  
Easy Access ◽  
Reusable Catalyst ◽  
Coumarin Derivatives ◽  
Free Condition ◽  
Pechmann Condensation ◽  
Solvent Free Condition ◽  
Solvent Free Conditions

A new and efficient condition for the use of alumina sulfuric acid (ASA) as a heterogeneous catalyst in the Pechmann condensation reaction in solvent-free condition for the formation of coumarins has been reported.

A solvent-free synthesis of coumarins via Pechmann condensation using heterogeneous catalyst

2006 ◽  
Vol 255 (1-2) ◽  
pp. 49-52 ◽  
Author(s):  
Muchchintala Maheswara ◽  
Vidavalur Siddaiah ◽  
Guri Lakishmi Vasantha Damu ◽  
Yerra Koteswara Rao ◽  
Chunduri Venkata Rao
Keyword(s):  
Heterogeneous Catalyst ◽  
Solvent Free ◽  
Pechmann Condensation ◽  
Solvent Free Synthesis

scholarly journals Solvent-Free Synthesis of New Coumarins

2012 ◽  
Vol 2012 ◽  
pp. 1-8
Author(s):  
Redah I. Al-Bayati ◽  
Mahdi F. Radey ◽  
Ahmed A. Al-Amiery
Keyword(s):  
Nmr Spectroscopy ◽  
Solvent Free ◽  
Coumarin Derivatives ◽  
Ir And Nmr Spectroscopy ◽  
Ft Ir ◽  
Solvent Free Synthesis

A solvent-free synthesis of five series of coumarin derivatives using microwave assistant is presented herein. The synthesized compounds are fully characterized by UV-VIS, FT-IR, and NMR spectroscopy.

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