Method for producing cyclohexene by dehydration of cyclohexanol

Details Method for producing cyclohexene by dehydration of cyclohexanol Method for producing cyclohexene by dehydration of cyclohexanol

1975-06-24

1976-08-10

O'Keefe, Veronica

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 500

Patent

active

039742326

ABSTRACT:
Cyclohexanol is dehydrated to cyclohexene by heating it in the presence of a heteropolyacid catalyst. The heteropolyacid is selected from tungstophosphoric acid, tungstosilicic acid, molybdophosphoric acid and molybdosilicic acid. Tungstophosphoric acid can be improved in its catalytic performance by calcination. The dehydration reaction is preferably carried out in liquid phase continuously removing cyclohexene by distillation.

REFERENCES:
patent: 2406632 (1946-08-01), Pines et al.
patent: 2957034 (1960-10-01), Eschard
patent: 3275698 (1966-09-01), Parish
patent: 3342879 (1967-09-01), Pine
patent: 3345425 (1967-10-01), Rai
patent: 3586720 (1971-06-01), Knepper et al.
patent: 3652674 (1972-03-01), Hausen et al.
patent: 3780127 (1973-12-01), Young et al.

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