Process for producing 2-methyl-1,4-benzoquinone

Details Process for producing 2-methyl-1,4-benzoquinone Process for producing 2-methyl-1,4-benzoquinone

1998-02-09

1999-08-03

Kumar, Shailendra

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

Organic compounds

Cyclohexadiene having atoms double bonded directly at the 1-...

552293, 552303, 568338, 568357, 568362, C07C 5004

Patent

active

059327537

ABSTRACT:
A process for producing 2-methyl-1,4-benzoquinone at a high conversion, a high selectivity and at a low cost by oxidizing m-cresol with oxygen at a low partial pressure in the presence of at least one copper (I) halide catalyst and a mixed solvent of ketone and acetonitrile. The 2-methyl-1,4-benzoquinone is useful as an intermediate compound to produce vitamin K.

REFERENCES:
patent: 3210384 (1965-10-01), Hay
patent: 4257968 (1981-03-01), Reilly
Database WPI, Section CH, Week 8813, Derwent Publications Ltd., London, GB, Class E14, AN 88-089187 of JP 63 041 438 A, Feb. 22, 1988.
Database WPI, Section CH, Week 8532, Derwent Publications Ltd., London, GB, Class B05, AN 85-194645, Jul. 2, 1985.

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