CO4650035A1 - Procedimiento para la racemizacion de acidos 4-ceto carboxi- licos sustituidos - Google Patents

Procedimiento para la racemizacion de acidos 4-ceto carboxi- licos sustituidos

Info

Publication number
CO4650035A1
CO4650035A1 CO97067662A CO97067662A CO4650035A1 CO 4650035 A1 CO4650035 A1 CO 4650035A1 CO 97067662 A CO97067662 A CO 97067662A CO 97067662 A CO97067662 A CO 97067662A CO 4650035 A1 CO4650035 A1 CO 4650035A1
Authority
CO
Colombia
Prior art keywords
substituted
racemization
procedure
ceto
carboxylic acids
Prior art date
Application number
CO97067662A
Other languages
English (en)
Inventor
Laak Kai Van Van
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 CO4650035A1 publication Critical patent/CO4650035A1/es

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)

Abstract

Procedimiento para la racemización de compuestos de fórmula (I)en la que significan:R1 = arilo, arilo sustituído o diarilo, diarilo sustituído, R2 = hidrógeno, alquilo, alquilo sustituído, alquenilo, alquenilo sustituído,R3 = alquilo, alquilo sustituído, alquilo ramificado, alquenilo, alquenilo sustituído,caracterizado porque se racemizan en medio ácido.
CO97067662A 1996-12-02 1997-11-19 Procedimiento para la racemizacion de acidos 4-ceto carboxi- licos sustituidos CO4650035A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1996149827 DE19649827A1 (de) 1996-12-02 1996-12-02 Verfahren zur Racemisierung von substituierten 4-Ketocarbonsäuren

Publications (1)

Publication Number Publication Date
CO4650035A1 true CO4650035A1 (es) 1998-09-03

Family

ID=7813323

Family Applications (1)

Application Number Title Priority Date Filing Date
CO97067662A CO4650035A1 (es) 1996-12-02 1997-11-19 Procedimiento para la racemizacion de acidos 4-ceto carboxi- licos sustituidos

Country Status (6)

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

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3334849A1 (de) * 1983-09-27 1985-04-04 Hoechst Ag, 6230 Frankfurt Verfahren zur racemisierung optisch aktiver aminosaeuren
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
ZA9710784B (en) 1998-06-12
WO1998024748A1 (de) 1998-06-11
DE19649827A1 (de) 1998-06-04
AR010077A1 (es) 2000-05-17
AU5654098A (en) 1998-06-29

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