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Regioselective nitration of phenol over solid acid catalysts

โœ Scribed by Sharda P. Dagade; Vijay S. Kadam; Mohan K. Dongare


Book ID
118629755
Publisher
Elsevier Science
Year
2002
Tongue
English
Weight
68 KB
Volume
3
Category
Article
ISSN
1566-7367

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Zeolite-mediated regioselective nitratio
โœ T. Esakkidurai; K. Pitchumani ๐Ÿ“‚ Article ๐Ÿ“… 2002 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 59 KB

Phenol (I) is nitrated regioselectively by fuming nitric acid inside the cages of faujasite zeolites. While nitration as hexane slurry in CsY and molecular sieve 5 ร… leads to predominant formation of para-nitrophenol (III), a remarkable ortho-selectivity is observed in solid state nitration to yield