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An expeditious synthesis of 3-amino 2H-pyrazoles promoted by methanesulphonic acid under solvent and solvent free conditions

โœ Scribed by N. Suryakiran; T. Srikanth Reddy; K. Asha Latha; P. Prabhakar; K. Yadagiri; Y. Venkateswarlu


Book ID
103834518
Publisher
Elsevier Science
Year
2006
Tongue
English
Weight
159 KB
Volume
258
Category
Article
ISSN
1381-1169

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Natural organic acids promoted Beckmann
โœ Rohokale, Sandeep Vasantrao; Kote, Santosh Rajaram; Deshmukh, Santosh Rangnath; ๐Ÿ“‚ Article ๐Ÿ“… 2014 ๐Ÿ› Versita ๐ŸŒ English โš– 118 KB

Naturally occurring organic acids are reported to be highly efficient promoters of the Beckmann rearrangement. Citric, oxalic, tartaric, malic, succinic, malonic, and fumaric acids efficiently promote the Beckmann rearrangement under solvent-free conditions and thermal and microwave irradiation. Tar