Catalytic dehydrogenation

Details Catalytic dehydrogenation Catalytic dehydrogenation

1979-07-06

1981-03-03

Helfin, Bernard

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

585442, 568650, 568740, 568653, 260696, C07C 3706

Patent

active

042542880

ABSTRACT:
A method of producing an aromatic compound comprises dehydrogenating a compound having a six-membered carbocyclic ring in the molecule, the ring having a degree of saturation greater than that of a benzene ring, the dehydrogenation being carried out in the presence of a catalyst system comprising elemental palladium together with sodium carbonate and sulphur. The compound to be dehydrogenated may be a substituted cyclohexane. When the substituted cyclohexane is an alkoxycyclohexanol, the aromatic compound produced is an alkoxy phenol. In particularly useful aspect of the invention the substituted cyclohexane is a 2-alkoxycyclohexanol, the aromatic compound produced being an ortho-alkoxy phenol.

REFERENCES:
patent: 3819719 (1974-06-01), McKague et al.
patent: 3935282 (1976-01-01), Kudo et al.
patent: 4046816 (1977-09-01), Muller
Charonnat et al., Bull. Soc. Chim., France (1949) 209-211.

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