Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1994-06-06
1995-12-12
Lone, Werren B.
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
568425, 568426, 568431, 568432, 568782, C07C 3906, C07C 4500
Patent
active
054751560
ABSTRACT:
A method is provided for converting a 2,4,6-trialkylphenol, such as mesitol, to a dialkylphenol, for example 2,6-dimethylphenol, by effecting the selective oxidation of the 2,4,6-trialkylphenol, followed by the deformylation of the resulting 3, 5-dialkyl-4-hydroxybenzaldehyde.
REFERENCES:
patent: 3465048 (1969-09-01), Ito et al.
patent: 3670033 (1972-06-01), Izawa et al.
patent: 3875247 (1975-04-01), Bourdin et al.
patent: 4533767 (1985-08-01), Talley
patent: 4533768 (1985-08-01), Talley
patent: 4560810 (1985-12-01), Talley et al.
patent: 4870215 (1989-09-01), Wiker et al.
patent: 4929766 (1990-05-01), Schnatterer et al.
patent: 5091594 (1992-02-01), Kupper et al.
Article--The Oxidation of 2,4,6-Trimethylphenol with Molecular Oxygen Catalyzed by a Copper (II)-Oxime or Copper (II)-Amine System, M. Shimizu et al. The Chemical Society of Japan-Bull. Chem. Soc. Jpn., 66 (1993) 251-257.
Article--Novel Oxidation of Phenols by a Copper (II) Complex Catalyst/O2 System, K. Takehira et al. Elsevier Science Publishers B.V., Amsterdam (1991) 279-284.
Article--A Novel Oxygenation of 2,4,6-Trimethylphenol to 3,5-Dimethyl-4-Hydroxybenzaldehyde by Dioxygen with Copper (II)-Amine Complex Catalyst, K. Takehira et al. Tetrahedrom Letters, vol. 31, No. 18 (1990) 2607-2608.
Substituted-5,6,7,8-tetrahydroonaphthalene Derivatives, MS Newman & HV Zahn--Contribution from the Chemical Laboratory of the Ohio State University (Jun. 1943) pp. 1097-1101.
Article-K. Fries, E. Brandes, E. Annalen-Zur Kenntnis der Chinhonmethide (1939) pp. 48-77 (Article is in German but also attached is notation referred to as Ref.3a on separate sheet).
Caruso Andrew J.
Lee Julia L.
General Electric Company
Lone Werren B.
Pittman William H.
LandOfFree
Method for making a 2,6-dialkylphenol does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method for making a 2,6-dialkylphenol, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for making a 2,6-dialkylphenol will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1361161