Process for preparing chiral aromatic α-hydroxy...

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

Reexamination Certificate

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C568S315000, C568S319000

Reexamination Certificate

active

10502426

ABSTRACT:
A biotransformation process for preparing chiral aromatic-hydroxy ketones in high yields is described, using 2-hydroxy-3-oxoacid synthase, such as AHAS or TSAS. Optionally substituted arylaldehydes and -oxoacids react in this process to provide pure enantiomers, useful as synthons in the production of various drugs, an example being (R)-phenylacetyl carbinol.

REFERENCES:
patent: 6004789 (1999-12-01), Bruhn et al.
patent: 93627 (1960-01-01), None
patent: 51651 (1967-02-01), None
patent: 195 23 269 (1995-06-01), None
patent: 1048737 (2000-11-01), None
patent: 63242554 (1990-04-01), None
patent: 9-234090 (1997-09-01), None
patent: 08044976 (1997-09-01), None
patent: 2000-93189 (2000-04-01), None
patent: WO 90/04631 (1990-05-01), None
patent: WO 99/63103 (1999-12-01), None
patent: WO 01/44486 (2001-06-01), None
Crout, et al.;Applications of Hydrolytic and Decarboxylating Enzymes in Biotransformations; Biocatalysis; 1994; pp. 1-30; vol. 9; Harwood Academic Publishers GmbH (XP 000671797).
Hanc O. et al., Naturwissensenschaften (1956) 43, 498.
Bruhn, et al.;The Replacement Of Trp392 by Alanine Influences the Decarboxylase/Carboligase Activity and Stability of Pyruvate Decarboxylase from Zymomonas mobilis, Eur. J. Biochem; 1995; pp. 650-655; vol. 234.
Barak, et al.;Physiological Implications of the Specificity of Acetohydroxy Acid Synthase Isozymes of Enteric Bacteria; Journal of Bacteriology; Aug. 1987; pp. 3750-3756; vol. 169, No. 8; American Society for Microbiology.
Gollop, et al.;Kinetics and Mechanism of Acetohydroxy Acid Synthase Isozyme III from Escherichia coli; Biochemistry; 1989; pp. 6310-6317; vol. 28, No. 15; American Chemical Society.
Ibdah, et al.;Homology Modeling of the Structure of Bacterial Acetohydroxy Acid Synthase and Examination of the Active Site by Site-Directed Mutagenesis; Biochemistry; 1996; pp. 16282-16291; vol. 35; No. 50; American chemical Society.
Bar-Ilan, et al.;Binding and Activation of Thiamin Diphosphate in Acetohydroxyacid Synthase; Biochemistry; 2001; pp. 11946-11954; vol. 40, No. 39; American Chemical Society.
Mendel, et al.;The N-terminal Domain of the Regulatory Subunit is Sufficient for Complete Activation of Acetohydroxyacid Synthase III from Escherichia coli; J. Mol. Biol.; 2003; pp. 275-284; vol. 325; Elsevier Science Ltd.

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