Benzylic oxygenation of alkylarenes with molecular oxygen in the presence of activated carbon

Tetrahedron Letters

Volumn 45, Issue 28, 2004, Pages 5457-5459

  Kawabata, Hirotoshi ^a   Hayashi, Masahiko ^a  

^a KOBE UNIVERSITY   (Japan)

Author keywords

Activated carbon; Oxygenation

Indexed keywords

CARBON; FLUORENE; OXYGEN; POLYCYCLIC AROMATIC HYDROCARBON DERIVATIVE; XANTHENE;

AROMATIZATION; ARTICLE; CHEMICAL REACTION; OXIDATION KINETICS; OXYGENATION; REACTION ANALYSIS; SUBSTITUTION REACTION;

EID: 2942652384     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.tetlet.2004.05.030     Document Type: Article

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17. Typical procedure for oxygenation using activated carbon under oxygen atmosphere is as follows: A mixture of fluorene (524 mg, 3.15 mmol) and Shirasagi KL (524 mg) in m-xylene (5 mL) was placed in a reaction tube under an oxygen atmosphere and stirred at 120°C for 24 h. The reaction mixture was filtered. The filtrate was then concentrated and the obtained residue was isolated by silica gel column chromatography to afford 9-fluorenone (471 mg, 83% yield) as a yellow solid