RU2058281C1 - Способ рацемизации нерацемической 3-оксоциклопентан-или-гексанкарбоновой кислоты или ее сложного эфира с низшим алифатическим спиртом - Google Patents

Способ рацемизации нерацемической 3-оксоциклопентан-или-гексанкарбоновой кислоты или ее сложного эфира с низшим алифатическим спиртом Download PDF

Info

Publication number
RU2058281C1
RU2058281C1 RU9193005135A RU93005135A RU2058281C1 RU 2058281 C1 RU2058281 C1 RU 2058281C1 RU 9193005135 A RU9193005135 A RU 9193005135A RU 93005135 A RU93005135 A RU 93005135A RU 2058281 C1 RU2058281 C1 RU 2058281C1
Authority
RU
Russia
Prior art keywords
acid
racemic
ester
racemization
alcoholate
Prior art date
Application number
RU9193005135A
Other languages
English (en)
Russian (ru)
Other versions
RU93005135A (ru
Inventor
Соботта Райнер
Original Assignee
Берингер Ингельгейм КГ
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 Берингер Ингельгейм КГ filed Critical Берингер Ингельгейм КГ
Application granted granted Critical
Publication of RU2058281C1 publication Critical patent/RU2058281C1/ru
Publication of RU93005135A publication Critical patent/RU93005135A/ru

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C62/00—Compounds having carboxyl groups bound to carbon atoms of rings other than six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
    • C07C62/18—Saturated compounds containing keto groups
    • C07C62/24—Saturated compounds containing keto groups the keto group being part of a ring
    • 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

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)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
RU9193005135A 1990-08-04 1991-07-31 Способ рацемизации нерацемической 3-оксоциклопентан-или-гексанкарбоновой кислоты или ее сложного эфира с низшим алифатическим спиртом RU2058281C1 (ru)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEP4024836.4 1990-08-04
DE4024836A DE4024836A1 (de) 1990-08-04 1990-08-04 Verfahren zur racemisierung
PCT/EP1991/001434 WO1992002483A1 (de) 1990-08-04 1991-07-31 Verfahren zur racemisierung von nichtracemischen 3-oxocyclopentan- bzw. -hexancarbonsäuren oder ihren estern mit c1-c6-alkoholen

Publications (2)

Publication Number Publication Date
RU2058281C1 true RU2058281C1 (ru) 1996-04-20
RU93005135A RU93005135A (ru) 1996-06-20

Family

ID=6411682

Family Applications (1)

Application Number Title Priority Date Filing Date
RU9193005135A RU2058281C1 (ru) 1990-08-04 1991-07-31 Способ рацемизации нерацемической 3-оксоциклопентан-или-гексанкарбоновой кислоты или ее сложного эфира с низшим алифатическим спиртом

Country Status (18)

Country Link
US (1) US5488136A (enExample)
EP (1) EP0549593B1 (enExample)
JP (1) JP3032987B2 (enExample)
KR (1) KR100190773B1 (enExample)
AT (1) ATE143937T1 (enExample)
AU (1) AU645595B2 (enExample)
CA (1) CA2088774C (enExample)
CZ (1) CZ281079B6 (enExample)
DE (2) DE4024836A1 (enExample)
DK (1) DK0549593T3 (enExample)
ES (1) ES2094817T3 (enExample)
GR (1) GR3021370T3 (enExample)
HU (1) HU212610B (enExample)
NO (1) NO177422C (enExample)
PL (1) PL166566B1 (enExample)
RU (1) RU2058281C1 (enExample)
SK (1) SK280699B6 (enExample)
WO (1) WO1992002483A1 (enExample)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Rompps Chemie - Lefikon, 8-е изд. т.5, с.3457, 1987. *

Also Published As

Publication number Publication date
DK0549593T3 (da) 1996-11-18
HU9300287D0 (en) 1993-05-28
CZ12693A3 (en) 1994-01-19
WO1992002483A1 (de) 1992-02-20
HU212610B (en) 1996-09-30
JPH06502393A (ja) 1994-03-17
EP0549593A1 (de) 1993-07-07
CA2088774C (en) 2004-02-10
ATE143937T1 (de) 1996-10-15
DE59108272D1 (de) 1996-11-14
SK5193A3 (en) 1993-11-10
HUT64291A (en) 1993-12-28
CA2088774A1 (en) 1992-02-05
NO930383L (no) 1993-02-03
CZ281079B6 (cs) 1996-06-12
AU645595B2 (en) 1994-01-20
NO177422C (no) 1995-09-13
SK280699B6 (sk) 2000-06-12
PL166566B1 (pl) 1995-06-30
EP0549593B1 (de) 1996-10-09
DE4024836A1 (de) 1992-02-06
GR3021370T3 (en) 1997-01-31
KR930701379A (ko) 1993-06-11
NO177422B (no) 1995-06-06
ES2094817T3 (es) 1997-02-01
AU8291591A (en) 1992-03-02
KR100190773B1 (ko) 1999-06-01
US5488136A (en) 1996-01-30
NO930383D0 (no) 1993-02-03
DE4024836C2 (enExample) 1992-07-02
JP3032987B2 (ja) 2000-04-17

Similar Documents

Publication Publication Date Title
EP0089711B1 (en) Process for preparing esters of 2-(6'-methoxy-2'-naphthyl)-propionic acid
CH631151A5 (fr) Procede de preparation d'hemiacetal-esters de l'acide glyoxylique.
RU2058281C1 (ru) Способ рацемизации нерацемической 3-оксоциклопентан-или-гексанкарбоновой кислоты или ее сложного эфира с низшим алифатическим спиртом
KR940011907B1 (ko) α-(1-메틸에틸)-3,4-디메톡시벤젠아세토니트릴의 새로운 제조방법
US3927084A (en) Process for the production of 2(4-alkylphenyl)propionic acid
US4042617A (en) Process for preparing a 2-methyl-(substituted aryl)-pyruvic acid compound
US6235896B1 (en) Process for the preparation of cefuroxime
US4360468A (en) Preparation of 13-oxabicyclo[10.3.0]pentadecane
US5183908A (en) Process for the preparation of substituted furanones
US2540307A (en) 3, 4-diethoxymandelic acid and process for preparing same
US5786501A (en) Process for the preparation of pure alkyl alkylacetoacetates
US4304942A (en) Producing substituted 2-cyclopentenones
EP0050074B1 (fr) Nouveaux esters méthyliques dérivés de l'acide 2,2-diméthyl cyclopropane 1,3-dicarboxylique, leur préparation et les intermédiaires nouveaux obtenus
SU545250A3 (ru) Способ получени замещенной бифенилилмасл ной кислоты или ее сложных эфиров или ее солей
JP2002524454A (ja) ゲラン酸誘導体
KR20010071084A (ko) 에틸 아트로페이트의 제조 방법
JP4071633B2 (ja) アルキルベンゾイルアクリレートの製造方法
SU793380A3 (ru) Способ получени замещенных индануксусных кислот или из солей или эфиров
FR2555180A1 (fr) Acides dialcoxy-4,5 dioxolanne-1,3 carboxylique-2, leurs derives, leur procede de preparation et leur application
SU377316A1 (ru) ВСЕСОЮЗНАЯ OM?MIMMuilt;f !г :нЬк]Б.(!К
KR900001173B1 (ko) 2-알콕시카르보닐-4-(4-피리딜)시클로헥사논의 제조방법
JPH0225476A (ja) 置換されたフラノンの改良製造方法
HU188054B (en) Process for production of derivatives of trans-cycloprophan carbonic acid
JPH07149692A (ja) ピメリン酸エステルの製造方法
JP2000086575A (ja) キナ酸及びキナ酸エステルの製造方法

Legal Events

Date Code Title Description
MM4A The patent is invalid due to non-payment of fees

Effective date: 20070801