Journal
JOURNAL OF THE CHINESE CHEMICAL SOCIETY
Volume 62, Issue 1, Pages 17-20Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/jccs.201400251
Keywords
Tungstate sulfuric acid; Hydrazine; Knorr; Indazole; Pyrazole
Categories
Funding
- Yasouj University Research Council
Ask authors/readers for more resources
Tungstate sulfuric acid-catalyzed Knorr reaction have been used as a simple, rapid, atom economic and green method for the synthesis of indazole and pyrazole derivatives based on the condensation of hydrazine derivatives and p-dicarbonyl compounds under solvent-free conditions. It was found that the catalyst could be recovered and reused without significant loss of its activity. The use of this method provides a novel and improved modification of Knorr synthesis in terms of clean reaction profile, use of a safe catalyst and solvent-free conditions.
Authors
I am an author on this paper
Click your name to claim this paper and add it to your profile.
Reviews
Recommended
No Data Available