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ZA9710784B - Process for the racemization of substituted 4-ketocarboxylic acids. - Google Patents

Process for the racemization of substituted 4-ketocarboxylic acids.

Info

Publication number
ZA9710784B
ZA9710784B ZA9710784A ZA9710784A ZA9710784B ZA 9710784 B ZA9710784 B ZA 9710784B ZA 9710784 A ZA9710784 A ZA 9710784A ZA 9710784 A ZA9710784 A ZA 9710784A ZA 9710784 B ZA9710784 B ZA 9710784B
Authority
ZA
South Africa
Prior art keywords
racemization
substituted
ketocarboxylic acids
ketocarboxylic
acids
Prior art date
Application number
ZA9710784A
Inventor
Kai Van Laak
Michael Preiss
Original Assignee
Bayer Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of ZA9710784B publication Critical patent/ZA9710784B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
    • C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
    • C07D209/44—Iso-indoles; Hydrogenated iso-indoles
    • C07D209/48—Iso-indoles; Hydrogenated iso-indoles with oxygen atoms in positions 1 and 3, e.g. phthalimide
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C319/00—Preparation of thiols, sulfides, hydropolysulfides or polysulfides
    • C07C319/14—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of sulfides
    • C07C319/20—Preparation of thiols, sulfides, hydropolysulfides or polysulfides of sulfides by reactions not involving the formation of sulfide groups
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
    • C07C51/353—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by isomerisation; by change of size of the carbon skeleton

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Cephalosporin Compounds (AREA)
ZA9710784A 1996-12-02 1997-12-01 Process for the racemization of substituted 4-ketocarboxylic acids. ZA9710784B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1996149827 DE19649827A1 (en) 1996-12-02 1996-12-02 Process for the racemization of substituted 4-ketocarboxylic acids

Publications (1)

Publication Number Publication Date
ZA9710784B true ZA9710784B (en) 1998-06-12

Family

ID=7813323

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9710784A ZA9710784B (en) 1996-12-02 1997-12-01 Process for the racemization of substituted 4-ketocarboxylic acids.

Country Status (6)

Country Link
AR (1) AR010077A1 (en)
AU (1) AU5654098A (en)
CO (1) CO4650035A1 (en)
DE (1) DE19649827A1 (en)
WO (1) WO1998024748A1 (en)
ZA (1) ZA9710784B (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3334849A1 (en) * 1983-09-27 1985-04-04 Hoechst Ag, 6230 Frankfurt METHOD FOR RACEMIZING OPTICALLY ACTIVE AMINO ACIDS
US5789434A (en) * 1994-11-15 1998-08-04 Bayer Corporation Derivatives of substituted 4-biarylbutyric acid as matrix metalloprotease inhibitors

Also Published As

Publication number Publication date
CO4650035A1 (en) 1998-09-03
DE19649827A1 (en) 1998-06-04
AR010077A1 (en) 2000-05-17
WO1998024748A1 (en) 1998-06-11
AU5654098A (en) 1998-06-29

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