Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Reexamination Certificate
2005-08-23
2005-08-23
Keys, Rosalynd (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
C562S409000
Reexamination Certificate
active
06933406
ABSTRACT:
The present invention relates to a process for the preparation of 2-halo-6-nitrobenzoic acids by oxidation of 2-halo-6-nitro-benzyl alcohols, esters, ethers, or mixtures thereof with nitric acid and to the use of this process as a step in the preparation of 2-halo-6-nitrobenzoic acids from 2-halo-6-nitrotoluenes.
REFERENCES:
patent: 2387341 (1945-10-01), Ogilvie et al.
patent: 2407182 (1946-09-01), Sievenpiper
patent: 2429493 (1947-10-01), Sievenpiper et al.
patent: 3979448 (1976-09-01), Handrick et al.
patent: 5198575 (1993-03-01), Hagen et al.
patent: 34 09 244 (1985-09-01), None
“Advanced Organic Chemistry” 3rd edition, John Wiley & Sons, Inc.; Jerry March, 1985, p. 1084.
Aust J. Chem. 25, (month unavailable) 1972, pp. 639-646, B.D. Andrews, A.J. Poynton and I.D. Rae, Steric Hindrance to Hydrogen Bonding in Ortho-Substituted.
Helv. Chim. Acta. 12, (month unavailable) 1929, pp. 921-934, von Louis Gindrauz, Zur Kenntnis der Nitro-chlor-toluole.
Chem. Ber. 70, (month unavailable) 1937, pp. 1526-1536, Kurt Lehmstedt und Karl Schrader: Synthesen in der Acridonreih (XVII. Mittel. Über Acridin).
Klausener Alexander
Langer Reinhard
Bayer Aktiengesellschaft
Eyl Diderico van
Keys Rosalynd
LandOfFree
Method for producing 2-halo-6-nitrobenzoic acids 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 producing 2-halo-6-nitrobenzoic acids, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for producing 2-halo-6-nitrobenzoic acids will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3446282