Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate
2003-09-24
2009-06-30
Seaman, D. Margaret (Department: 1625)
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
C546S334000, C546S339000, C546S340000, C549S070000, C549S078000, C549S079000, C549S483000, C549S497000
Reexamination Certificate
active
07553970
ABSTRACT:
The invention relates to a process for preparing enantiomer-enriched 3-heteroaryl-3-hydroxypropanoic acid derivatives and 3-heteroaryl-1-aminopropan-3-ols, and to their use.
REFERENCES:
patent: 5104899 (1992-04-01), Young et al.
patent: 6515134 (2003-02-01), Amano et al.
patent: 6642387 (2003-11-01), Amano et al.
patent: 2003/0130521 (2003-07-01), Amano et al.
patent: 447 938 (1995-10-01), None
patent: 98 54350 (1998-12-01), None
patent: 03 078418 (2003-09-01), None
patent: WO 2004/024708 (2004-03-01), None
Dehli et al., Enantio-and chemoselective bioreduction of of β-keto nitriles by the fungusCurvularia lunata, Tetrahedron, vol. 11, pp. 3693-3700.
Wermuth G Camille,The Practice od Medicinal Chemistry, Harcourt Brace and Company, pp. 204-214.
CABONab et al. “The Microbial Reduction of 2-chloro-3-oxoesters”, Tetrahedron, vol. 6, pp. 2199-2210.
Fogagnolo M et al: “Homochiral (R)- and (S)-1-heteroaryl- and 1-aryl-2-propanols via microbial redox” Tetrahedron Asymmetry, Elsevier Science Publishers, Amsterdam, NL, Bd. 9, Nr. 13, Jul. 3, 1998, Seiten 2317-2327, XP004131378 ISSN: 0957-4166 Tabelle 2.
Furuichi A et al: “The Use of Microorganisms in Organic Synthesis 5. Microbiological Asymmetric Reduction of Methyl-2-Methyl-3-2-Thienyl-3-Oxo Propionate” Chemical and Pharmaceutical Bulletin (Tokyo), Bd. 32, Nr. 4, 1984, Seiten 1619-1623, XP001179422 ISSN: 0009-2363 Abbildung 1.
Quiros M et al: “Enantioselective reduction of beta-keto amides by the fungusMortierella isabellina” Tetrahedron: Asymmetry, Elsevier Science Publishers, Amsterdam, NL, Bd. 8, Nr. 18, Sep. 25, 1997, Seiten 3035-3038, XP004090508 ISSN: 0957-4166 Zusammenfassung Tabelle 1, Produkt 2a-c.
Sybesma et al., Biocatalysis and Biotransformation (month unavailable) 1998. vol. 16, “Reductions of 3-Oxo Esters by Baker's Yeast: Current Status”, pp. 95-134.
Dahl et al., Tetrahedron: Asymmetry 10, (month unavailable) (1999), “Baker's yeast: improving the D-stereoselectivity in reduction of 3-oxo-esters”, pp. 551-559.
Dehli et al., Tetrahedron Asymmetry 11 (month unavailable) (2000) “Enantio- and chemoselective bioreduction of β-keto nitriles by the fungusCurvularia lunata”, pp. 3693-3700.
Hayakawa et al., Tetrahedron Letters 39, (month unavailable) (1998) “Control of Enantio-selectivity in the Bakers' Yeast Reduction of β-Keto Ester Derivatives in the Presence of a Sulfur Compound”, pp. 67-70.
Cabon et al., Tetrahedron: Asymmetry vol. 6, No. 9, (month unavailable) 1995, “The Microbial Reduction of 2-Chloro-3-oxoesters” pp. 2199-2210.
Smallridge et al., Tetrahedron Letters vol. 39, (month unavailable) (1998), “Enzymatic Alkylation of α-Cyanoketones by Bakers Yeast”, pp. 5121-5124.
Chênevert et al., Tetrahedron vol. 48, No. 33 (month unavailable) 1992, “Asymmetric Synthesis of Both Enantiomers of Fluoxetine via Microbiological Reduction of Ethyl Benzoylacetate”, pp. 6769-6776.
Kumar et al., Tetrahedron Letters, vol. 32, No. 16, (month unavailable) 1991, “A New Chemo-enzymatic Enantioselective Synthesis of R-(-)-Tomoxetine, (R)- and (S)-Fluoxetine”, pp. 1901-1904.
Kalinin et al., Tetrahedron Letters 39, (month unavailable) (1998), “DirectedorthoMetalation—Cross Coupling Links. Carbamoyl Rendition of the Baker-Venkataraman Rearrangement. Regio-specific Route to Substituted 4-Hydroxycoumarins”, pp. 4995-4998.
D.Döpp u. H. Döpp: Carbonsäure-amide (Monoacyl-amine), Houben Weyl “Methoden der Organischen Chemie [Methods of organic chemistry]”, 4thEdition, vol. E5, pp. 940-1010.
Houben Weyl “Methoden der Organischen Chemie”, 4thedition, vol. E 16 d, pp .987-1003.
Berendes Frank
Brinkmann Nils
Dreisbach Claus
Eckert Markus
Koch Rainhard
Lanxess Deutschland GmbH
Norris McLaughlin & Marcus PA
Rahmani Niloofar
Seaman D. Margaret
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