Method for manufacturing cycloalkanol and/or cycloalkanone

Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing

Reexamination Certificate

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C568S344000, C568S431000

Reexamination Certificate

active

11390160

ABSTRACT:
The object of the present invention is to provide a method for manufacturing cycloalkanol and/or cycloalkanone with favorable selectivity coefficient by oxidizing cycloalkane with favorable degree of conversion.In the present invention, cycloalkane is oxidized with oxygen in the presence of a catalyst such that gold is supported on ceric oxide. Said oxidation is preferably performed in the presence of a free-radical initiator and the free-radical initiator is preferably 2,2′-azobis(isobutyronitrile).

REFERENCES:
patent: 6160183 (2000-12-01), Druliner et al.
Rui Zhao, et al., “A highly efficient oxidation of cyclohexane over Au/ZSM-5 molecular sieve catalyst with oxygen as oxidant”, Chemical Communications (United Kingdom) 2004, pp. 904-905.
G. Lua, et al. “Gold nanoparticles in mesoporous materials showing catalytic selective oxidation cyclohexane using oxygen”, Applied Catalysis A: General (the Netherlands) 280, 2005, pp. 175-180.
S. Velu et al., “Vapor phase hydrogenation of phenol over palladium supported on mesoporous CeO2and ZrO2”, Applied Catalysis A: General, vol. 245, No. 2, (2003), pp. 317-331.
T. Takeguchi et al, “Determination of dispersion of precious metals on CeO2—containing supports” , Applied Catalysis, A: General, vol. 293, (2005), pp. 91-96.

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