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Regioselective nitration of aromatic substrates in zeolite cages

✍ Scribed by T. Esakkidurai; M. Kumarraja; K. Pitchumani


Book ID
110649244
Publisher
Indian Academy of Sciences,Royal Society of Chemistry
Year
2003
Tongue
English
Weight
52 KB
Volume
115
Category
Article
ISSN
0253-4134

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Zeolite-mediated regioselective nitratio
✍ T. Esakkidurai; K. Pitchumani πŸ“‚ Article πŸ“… 2002 πŸ› Elsevier Science 🌐 English βš– 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 Γ… leads to predominant formation of para-nitrophenol (III), a remarkable ortho-selectivity is observed in solid state nitration to yield