DK224577A - Fremgangsmade til racemisering af optisk aktive cyclopropancarboxylsyrer - Google Patents

Fremgangsmade til racemisering af optisk aktive cyclopropancarboxylsyrer

Info

Publication number
DK224577A
DK224577A DK224577A DK224577A DK224577A DK 224577 A DK224577 A DK 224577A DK 224577 A DK224577 A DK 224577A DK 224577 A DK224577 A DK 224577A DK 224577 A DK224577 A DK 224577A
Authority
DK
Denmark
Prior art keywords
racemization
procedure
carboxylic acids
optically active
cyclopropane carboxylic
Prior art date
Application number
DK224577A
Other languages
Danish (da)
English (en)
Inventor
G Suzukamo
T Nagase
Original Assignee
Sumitomo Chemical Co
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 Sumitomo Chemical Co filed Critical Sumitomo Chemical Co
Publication of DK224577A publication Critical patent/DK224577A/da

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42Separation; Purification; Stabilisation; Use of additives
    • C07C51/487Separation; 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)
DK224577A 1976-05-24 1977-05-23 Fremgangsmade til racemisering af optisk aktive cyclopropancarboxylsyrer DK224577A (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6028876A JPS52144651A (en) 1976-05-24 1976-05-24 Racemization of optical active 2,2-dimethyl-3-(1-alkenyl)-cyclopropane-1-carboxylic acid

Publications (1)

Publication Number Publication Date
DK224577A true DK224577A (da) 1977-11-25

Family

ID=13137806

Family Applications (1)

Application Number Title Priority Date Filing Date
DK224577A DK224577A (da) 1976-05-24 1977-05-23 Fremgangsmade til racemisering af optisk aktive cyclopropancarboxylsyrer

Country Status (9)

Country Link
US (1) US4182906A (fi)
JP (1) JPS52144651A (fi)
CH (1) CH632981A5 (fi)
DE (1) DE2723383A1 (fi)
DK (1) DK224577A (fi)
FR (1) FR2352768A2 (fi)
GB (1) GB1525209A (fi)
IT (1) IT1117095B (fi)
NL (1) NL7705610A (fi)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2826952A1 (de) * 1978-06-20 1980-01-10 Bayer Ag Enantiomerentrennung von chiralen carbonsaeuren
FR2458542A1 (fr) * 1979-06-12 1981-01-02 Roussel Uclaf Procede de preparation d'alcools a-cyanes optiquement actifs
HU180444B (en) * 1979-07-02 1983-03-28 Chinoin Gyogyszer Es Vegyeszet Process for producing esters of cyclopropane-carboxylic acids
US4473703A (en) * 1981-03-30 1984-09-25 Sumitomo Chemical Company, Limited Method of epimerization of alkyl chrysanthemate
JPS57163341A (en) * 1981-03-30 1982-10-07 Sumitomo Chem Co Ltd Preparation of racemized cyclopropanecarboxylic acid derivative
JPS58174345A (ja) * 1982-04-06 1983-10-13 Sumitomo Chem Co Ltd 光学活性2,2−ジメチルシクロプロパン−1−カルボン酸ハライドのラセミ化方法
DE3565397D1 (en) * 1984-02-22 1988-11-10 Sumitomo Chemical Co Method for racemization of chrysanthemic acid or its ester
DE3578164D1 (de) * 1984-06-15 1990-07-19 Sumitomo Chemical Co Verfahren zur razemisierung von chrysanthemumsaeure oder ihrer ester.
JPS62198643A (ja) * 1986-02-27 1987-09-02 Sumitomo Chem Co Ltd ラセミ第一菊酸類の製造法
DE3762613D1 (de) * 1986-09-04 1990-06-13 Sumitomo Chemical Co Verfahren zur razemisierung von optisch aktiver chrysanthemsaeure oder ihres esters.
DE3867658D1 (de) * 1987-03-09 1992-02-27 Sumitomo Chemical Co Verfahren zur racemisierung von optisch aktiver chrysanthemumsaeure oder ihren estern.
JPH0688933B2 (ja) * 1987-07-17 1994-11-09 住友化学工業株式会社 光学活性第一菊酸類のラセミ化法
US4962233A (en) * 1988-05-19 1990-10-09 Sumitomo Chemical Co., Ltd. Process for preparing racemic dihalovinylcyclopropane carboxylic acid halides
JP2629950B2 (ja) * 1989-03-16 1997-07-16 住友化学工業株式会社 ジハロビニルシクロプロパンカルボン酸ハライドのラセミ化方法
CN1231451C (zh) * 2001-07-18 2005-12-14 住友化学工业株式会社 使旋光的乙烯基取代的环丙烷羧酸化合物外消旋的方法
DE10254265A1 (de) * 2002-11-21 2004-06-03 Symrise Gmbh & Co. Kg 2-Heptylcyclopropyl-1-carbonsäure

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3282984A (en) * 1962-12-25 1966-11-01 Sumitomo Chemical Co Racemization of optically active transchrysanthemic acid
GB1005722A (en) * 1963-04-23 1965-09-29 Sumitomo Chemical Co Process for producing trans-chrysanthemic acid esters
FR2038019A5 (fi) * 1969-03-22 1970-12-31 Sumitomo Chemical Co
SE366022B (fi) * 1969-03-24 1974-04-08 Sumitomo Chemical Co
JPS5337858B2 (fi) * 1973-11-12 1978-10-12

Also Published As

Publication number Publication date
JPS52144651A (en) 1977-12-02
US4182906A (en) 1980-01-08
JPS618048B2 (fi) 1986-03-11
CH632981A5 (de) 1982-11-15
NL7705610A (nl) 1977-11-28
DE2723383A1 (de) 1977-12-08
GB1525209A (en) 1978-09-20
IT1117095B (it) 1986-02-10
FR2352768A2 (fr) 1977-12-23
FR2352768B2 (fi) 1982-07-09
DE2723383C2 (fi) 1988-09-15

Similar Documents

Publication Publication Date Title
SE7802866L (sv) Substituerade pyridylmetylestrar av cyklopropankarboxylsyror, anvendbara som insekticider
DK224577A (da) Fremgangsmade til racemisering af optisk aktive cyclopropancarboxylsyrer
DK377777A (da) Fremgangsmaade til fremstilling af vinylsubstituerede cyclopropancarboxylsyreestere
DK59077A (da) Fremgangsmade til fremstilling af hidtil ukendte carboxyalkylacylaminosyrer
NO774214L (no) Cyklopropankarboksylsyreestere av halogenerte benzylalkoholer
PL199362A1 (pl) Sposob stereoselektywnego wytwarzania optycznie czynnych izomerow szesciowodorodwubenzopiranonow
DK261877A (da) Fremgangsmade til fremstilling af antibakterielt virksomme carboxylsyreestere
DK176977A (da) Fremgangsmade til omdannelse af en ester mellem en chiral syre og en optisk aktiv alfacyaneret sekunder alkohol til ester mellem en chiral syre og en racemisk alfa cyaneret sekunder alkohol
IT1120442B (it) Procedimento per produrre acidi arilpiruvici
IT1097447B (it) Procedimento per la preparazione di acidi alfa-idrossicarbossilici otticamente attivi
DK132978A (da) Fremgangsmaade til adskillelse af stereoisomere cycliske carboxylsyrer
DK206677A (da) Fremgangsmade til fremstilling af 12-azaprostansyrer
IT1090579B (it) Preparazione di acidi carbossilici
DK9079A (da) Fremgangsmaade til adskillelse af stereoisomere vinylcyclopropancarboxylsyrer
DK123679A (da) Fremgangsmaade til fremstilling af carboxylpersyrer
DK290877A (da) Fremgangsmade til racemisering af optisk aktiv 2-(4-chlorphenyl)-3-methylsmorsyre
DK19677A (da) Fremgangsmade til fremstilling af hypolipidemiske p-benzylaminobenzoesyrer
DK204878A (da) Femgangsmaade til fremstilling af substituerede vinylcyclopropancarboxylsyrebenzylestere
NO780785L (no) Fremgangsmaate for fremstilling av optisk aktive 2-arylpropionsyrer
DK381277A (da) Fremgangsmaade til fremstilling af acylerede heterocyclylcarboxylsyrer
PL198231A1 (pl) Sposob wytwarzania nienasyconych kwasow karboksylowych
DK150379A (da) Fremgangsmaade til fremstilling af carboxylsyreanhydrider
DK152357C (da) Fremgangsmaade til fremstilling af optisk aktive anthracyclinoner
IT7920814A0 (it) Procedimento per la preparazione di acidi benzen-carbossilici.
DK517977A (da) Fremgangsmaade til fremstilling af phenylalkylcarboxylsyrer