Hydroalkylation of Phenol to Cyclohexylphenol in the Presence of Pd-Al2O3 and NaCl-AlCl3 under Hydrogen Pressure

Hydroalkylation of Phenol to Cyclohexylphenol in the Presence of Pd-Al2O3 and NaCl-AlCl3 under Hydrogen Pressure

The hydroalkylation of phenol (1) in the presence of palladium catalyst and fused salt (NaCl-AlCl3) under hydrogen pressure was carried out. By using 1% Pd-Al2O3 (1 g) and the fused salt (1 : 1 mol ratio, 6 g), 4-cyclohexylphenol (6) was obtained selectively from 1 (30 g) in a yield of 31.9% at 120°...

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Veröffentlicht in:Chemical & pharmaceutical bulletin 1986/02/25, Vol.34(2), pp.450-454
Hauptverfasser: KAMIYAMA, TSUTOMU, ENOMOTO, SABURO, INOUE, MASAMI
Format: Artikel
Sprache:eng
Schlagworte:
2-cyclohexylcyclohexanone
Alicyclic compounds
Alicyclic compounds, terpenoids, prostaglandins, steroids
Chemistry
Exact sciences and technology
Organic chemistry
Preparations and properties
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Zusammenfassung:The hydroalkylation of phenol (1) in the presence of palladium catalyst and fused salt (NaCl-AlCl3) under hydrogen pressure was carried out. By using 1% Pd-Al2O3 (1 g) and the fused salt (1 : 1 mol ratio, 6 g), 4-cyclohexylphenol (6) was obtained selectively from 1 (30 g) in a yield of 31.9% at 120°C for 4.5 h. Cyclohexylphenols were formed by way of 2-cyclohexen-1-ol and 1.
ISSN:0009-2363
1347-5223
DOI:10.1248/cpb.34.450