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DK0461541T3 - Fremgangsmåde til racematspaltningen af 2,2-dimethylcyclopropancarboxylsyre - Google Patents

Fremgangsmåde til racematspaltningen af 2,2-dimethylcyclopropancarboxylsyre

Info

Publication number
DK0461541T3
DK0461541T3 DK91109202.1T DK91109202T DK0461541T3 DK 0461541 T3 DK0461541 T3 DK 0461541T3 DK 91109202 T DK91109202 T DK 91109202T DK 0461541 T3 DK0461541 T3 DK 0461541T3
Authority
DK
Denmark
Prior art keywords
carboxylic acid
dimethylcyclopropane carboxylic
racemate cleavage
racemate
cleavage
Prior art date
Application number
DK91109202.1T
Other languages
English (en)
Inventor
Thomas Dr Meul
Original Assignee
Lonza 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 Lonza Ag filed Critical Lonza Ag
Application granted granted Critical
Publication of DK0461541T3 publication Critical patent/DK0461541T3/da

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C67/00—Preparation of carboxylic acid esters
    • C07C67/48—Separation; Purification; Stabilisation; Use of additives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
    • C07C69/74—Esters of carboxylic acids having an esterified carboxyl group bound to a carbon atom of a ring other than a six-membered aromatic ring
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B57/00—Separation of optically-active compounds
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
    • C07C51/493—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification whereby carboxylic acid esters are formed
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C2601/00—Systems containing only non-condensed rings
    • C07C2601/02—Systems containing only non-condensed rings with a three-membered ring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DK91109202.1T 1990-06-14 1991-06-05 Fremgangsmåde til racematspaltningen af 2,2-dimethylcyclopropancarboxylsyre DK0461541T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH199990 1990-06-14

Publications (1)

Publication Number Publication Date
DK0461541T3 true DK0461541T3 (da) 1995-01-23

Family

ID=4223528

Family Applications (1)

Application Number Title Priority Date Filing Date
DK91109202.1T DK0461541T3 (da) 1990-06-14 1991-06-05 Fremgangsmåde til racematspaltningen af 2,2-dimethylcyclopropancarboxylsyre

Country Status (11)

Country Link
US (1) US5243070A (da)
EP (1) EP0461541B1 (da)
JP (1) JPH04230235A (da)
KR (1) KR920000694A (da)
AT (1) ATE115536T1 (da)
DE (1) DE59103853D1 (da)
DK (1) DK0461541T3 (da)
ES (1) ES2067803T3 (da)
GR (1) GR3015400T3 (da)
IE (1) IE66490B1 (da)
RU (1) RU2015953C1 (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1124254C (zh) * 2000-10-26 2003-10-15 中国科学院成都有机化学研究所 光学纯氟西汀的制备方法
EP1469006A3 (de) * 2003-02-12 2005-03-16 Bayer Chemicals AG Verfahren zur Reduktion von Ketocarbonsäureestern
DE10326916A1 (de) * 2003-06-16 2005-01-05 Bayer Chemicals Ag Verfahren zur Reduktion von Ketocarbonsäureestern

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1260847A (en) * 1968-12-06 1972-01-19 Nat Res Dev Esters of cyclopropane carboxylic acids
JPS581105B2 (ja) * 1977-03-24 1983-01-10 日本化薬株式会社 光学活性アミノ酸−マンデル酸複合体及びその製造法
EP0010874B1 (en) * 1978-10-27 1983-06-22 Imperial Chemical Industries Plc Process for separating optical isomers of substituted cyclopropane carboxylic acids; amine salts of substituted cyclopropane carboxylic acids; a substituted cyclopropane carboxylic acid
DE2928406A1 (de) * 1979-07-13 1981-01-29 Bayer Ag Neue menthylester, verfahren zu ihrer herstellung und ihre verwendung zur enantiomerentrennung chiraler carbonsaeuren
JPS56123936A (en) * 1980-03-05 1981-09-29 Hiroyuki Nohira Optical resolution of (+-)-2-amino-1-butanol and/or (+-)- mandelic acid
US4324108A (en) * 1980-05-05 1982-04-13 Fmc Corporation Apparatus for freezing confection material
EP0048301A1 (en) * 1980-09-24 1982-03-31 Merck & Co. Inc. 2-(Cyclopropane-carboxamido)-2-alkenoic acids, their esters and salts, and antibacterial compositions comprising the same and a thienamycin-type compound
HU185030B (en) * 1981-02-20 1984-11-28 Chinoin Gyogyszer Es Vegyeszet Process for producing isomere mixtures of pure dichloro-vinyl-cyclopropane-carboxylic acids
JPS6025952A (ja) * 1983-07-20 1985-02-08 Sumitomo Chem Co Ltd 光学活性２，２−ジメチルシクロプロパン−１−カルボン酸誘導体の製造法
JPS6056936A (ja) * 1983-09-06 1985-04-02 Sumitomo Chem Co Ltd 光学活性２，２−ジメチルシクロプロパンカルボン酸及びその誘導体の製法
JPS6056942A (ja) * 1983-09-06 1985-04-02 Sumitomo Chem Co Ltd ２，２−ジメチルシクロプロパンカルボン酸の光学活性ν−メチルエフェドリンエステル及びその塩

Also Published As

Publication number Publication date
ES2067803T3 (es) 1995-04-01
GR3015400T3 (en) 1995-06-30
JPH04230235A (ja) 1992-08-19
EP0461541B1 (de) 1994-12-14
DE59103853D1 (de) 1995-01-26
ATE115536T1 (de) 1994-12-15
IE911917A1 (en) 1991-12-18
EP0461541A2 (de) 1991-12-18
IE66490B1 (en) 1996-01-10
KR920000694A (ko) 1992-01-29
EP0461541A3 (en) 1992-06-24
RU2015953C1 (ru) 1994-07-15
US5243070A (en) 1993-09-07

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