Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2006-06-20
2006-06-20
Saeed, Kamal A. (Department: 1626)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
active
07064219
ABSTRACT:
The present invention relates to processes of producing glutamic acid compounds, for example, monatin, which are useful as, for example, production intermediates for sweetener or pharmaceutical products.
REFERENCES:
patent: 3751458 (1973-08-01), Wiley
patent: 4975298 (1990-12-01), Van Wyk et al.
patent: 5128164 (1992-07-01), Van Wyk et al.
patent: 5128482 (1992-07-01), Olivier et al.
patent: 5994559 (1999-11-01), Abushanab et al.
patent: 0 438 314 (1991-07-01), None
patent: WO 03/059865 (2003-07-01), None
D. De Jesus Oliveira, et al., Tetrahedron Letters, vol. 42, No. 39, pp. 6793-6796, “Diastereoselective Formation of a Quaternary Center in a Pyroglutamate Derivative. Formal Synthesis of Manatin”, 2001.
K. Nakamura, et al., Organic Letters, vol. 2, No. 19, pp. 2967-2970, “Total Synthesis of Monatin”, 2000.
C. W. Holzapfel, et al., Synthetic Communications, vol. 24, No. 22, pp. 3197-3211, “A Simple Cycloaddition Approach to a Racemate of the Natural Sweetener Monatin”, 1994.
C. W. Holzapfel, et al., Synthetic Communications, vol. 23, No. 18, pp. 2511-2526, “The Synthesis of a γ-Keto-α-Amino Acid, a Key Intermidiate in the Synthesis of Monatin, A New Natural Sweetener”, 1993.
T. Kitahara, et al., Japanese Agrochemical Association, the 2000-th Conference, Abstracts of Proceeding, 3B128β, pp. 221.
R. H. Wiley, et al., Journal of Organic Chemistry, vol. 38, No. 20, pp. 3582-3585, “The Bimolecular Decarboxylative Self-Condensation of Oxaloacetic Acid to Citroylformic Acid and its Conversation by Oxidative Decarboxylation to Citric Acid”, 1973.
D. Leussing, et al., Journal of American Chemical Society, vol. 86, pp. 2805-2810, “A Nuclear Magnetic Resonance Study of Aqueous Pyruvate-Glycinate-Zinc (II) and Related Systems”, Jul. 20, 1964.
S. A. Margolis, et al., Analytical Chemistry, vol. 58, No. 12, pp. 2504-2510, “Identification and Quantitation of the Impurities in Sodium Pyruvate”, Oct. 1986.
N. Passerat, et al., Tetrahedron Letters, vol. 28, No. 12, pp. 1277-1280, “Large Scale Enzymatic Synthesis of Diastereoisomeric γ-Hidroxy L-Glutamic Acids.”, 1987.
Karsten Juhl, et al., “Catalytic Asymmetric Homo-Aldol Reaction of Pyruvate-A Chiral Lewis Acid Catalyst that Mimies Aldolase Enzymes”, Chemical Communications, 2000, No. 22, pp. 2211-2212.
Graciela Buldain, et al., “Carbon-13 Nuclear Magnetic Resonance Spectra of the Hydrate, Eto and Enol Forms of Oxalacetic Acid”, Magnetic Resonance in Chemistry, 1985, vol. 23, No. 6, pp. 478-481.
Amino Yusuke
Funakoshi Nao
Kawahara Shigeru
Mori Ken-ichi
Takemoto Tadashi
Ajinomoto Co. Inc.
Saeed Kamal A.
Shiao Robert
LandOfFree
Processes of producing glutamic acid compounds and... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Processes of producing glutamic acid compounds and..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Processes of producing glutamic acid compounds and... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3669796