A facile synthesis of 2H-chromen-2-ones via Pechmann condensation under solvent free conditions using grinding technique

2013 ◽  
Vol 2 (2) ◽  
Author(s):  
Dinesh Sharma ◽  
Surender Kumar
Keyword(s):  
Solvent Free ◽  
Facile Synthesis ◽  
Pechmann Condensation ◽  
Solvent Free Conditions ◽  
Grinding Technique

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.

Calcium mediated efficient synthesis of N-arylamidines from organic nitriles and amines

2020 ◽  
Vol 18 (22) ◽  
pp. 4231-4237
Author(s):  
Indrani Banerjee ◽  
Shweta Sagar ◽  
Tarun K. Panda
Keyword(s):  
Solvent Free ◽  
Efficient Synthesis ◽  
Facile Synthesis ◽  
Solvent Free Conditions ◽  
One Step

An efficient one-step methodology for the facile synthesis of N-arylamidines from organic nitriles and amines by using calcium bis(hexamethyldisilazide) as a competent catalyst under solvent-free conditions is reported.

scholarly journals An atom efficient, green synthesis of 2-pyrazoline derivatives under solvent-free conditions using grinding technique

2012 ◽  
Vol 6 (2) ◽  
pp. 123-127 ◽  
Author(s):  
Sainath B. Zangade ◽  
Shyam S. Mokle ◽  
Avinash T. Shinde ◽  
Yeshwant B. Vibhute
Keyword(s):  
Green Synthesis ◽  
Solvent Free ◽  
Solvent Free Conditions ◽  
Grinding Technique

ChemInform Abstract: Efficient and Facile Synthesis of 2,4-Diamino-6-arylpyrimidine-5-carbonitrile under Solvent-Free Conditions.

ChemInform ◽  
2010 ◽  
Vol 41 (31) ◽  
pp. no-no
Author(s):  
Liangce Rong ◽  
Hongxia Han ◽  
Lijiu Gao ◽  
Yisi Dai ◽  
Minxia Cao ◽  
...  
Keyword(s):  
Solvent Free ◽  
Facile Synthesis ◽  
Solvent Free Conditions
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