Process for preparing substituted cyclohexanones

Details Process for preparing substituted cyclohexanones Process for preparing substituted cyclohexanones

C - Chemistry, Metallurgy

07

C

C07C 49/385 (2006.01) C07C 45/00 (2006.01) C07C 45/41 (2006.01) C07C 51/373 (2006.01) C07C 62/24 (2006.01) C07C 67/313 (2006.01) C07C 69/757 (2006.01) C07C 221/00 (2006.01) C07C 225/20 (2006.01) C07C 231/12 (2006.01) C07C 233/32 (2006.01)

Patent

CA 2170823

Substituted cyclohexanones of the formula Image (I) where R1 to R5 are as defined in the description, can be obtained by catalytic hydrogenation of phenols of the formula (II) Image where R1 to R5 are as defined in the description. The reaction is carried out at from 20 to 250°C, from 1 to 200 bar and in an ether as solvent. If desired, an alkaline alkali metal, alkaline earth metal or ammonium compound is used as additive.

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