DK224577A - Fremgangsmade til racemisering af optisk aktive cyclopropancarboxylsyrer - Google Patents
Fremgangsmade til racemisering af optisk aktive cyclopropancarboxylsyrerInfo
- 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
Links
Classifications
-
- 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)
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 (da) |
JP (1) | JPS52144651A (da) |
CH (1) | CH632981A5 (da) |
DE (1) | DE2723383A1 (da) |
DK (1) | DK224577A (da) |
FR (1) | FR2352768A2 (da) |
GB (1) | GB1525209A (da) |
IT (1) | IT1117095B (da) |
NL (1) | NL7705610A (da) |
Families Citing this family (16)
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 |
EP0155765B1 (en) * | 1984-02-22 | 1988-10-05 | Sumitomo Chemical Company, Limited | Method for racemization of chrysanthemic acid or its ester |
US4659864A (en) * | 1984-06-15 | 1987-04-21 | Sumitomo Chemical Company, Ltd. | Method for racemization of chrysanthemic acid or its 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 |
HU202171B (en) * | 1986-09-04 | 1991-02-28 | Sumitomo Chemical Co | Process for racemization of chrysanthemic acid and its esters, as well as for conversion of the racemic mixture |
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 |
DE68905073T2 (de) * | 1988-05-19 | 1993-06-17 | Sumitomo Chemical Co | Verfahren zur herstellung von racemischen cyclopropancarbonsaeurehalogeniden. |
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)
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 (da) * | 1969-03-22 | 1970-12-31 | Sumitomo Chemical Co | |
SE366022B (da) * | 1969-03-24 | 1974-04-08 | Sumitomo Chemical Co | |
JPS5337858B2 (da) * | 1973-11-12 | 1978-10-12 |
-
1976
- 1976-05-24 JP JP6028876A patent/JPS52144651A/ja active Granted
-
1977
- 1977-05-19 US US05/798,473 patent/US4182906A/en not_active Expired - Lifetime
- 1977-05-20 NL NL7705610A patent/NL7705610A/xx not_active Application Discontinuation
- 1977-05-23 IT IT68171/77A patent/IT1117095B/it active
- 1977-05-23 GB GB21707/77A patent/GB1525209A/en not_active Expired
- 1977-05-23 FR FR7715807A patent/FR2352768A2/fr active Granted
- 1977-05-23 DK DK224577A patent/DK224577A/da unknown
- 1977-05-24 CH CH638777A patent/CH632981A5/de not_active IP Right Cessation
- 1977-05-24 DE DE19772723383 patent/DE2723383A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
CH632981A5 (de) | 1982-11-15 |
DE2723383C2 (da) | 1988-09-15 |
JPS618048B2 (da) | 1986-03-11 |
DE2723383A1 (de) | 1977-12-08 |
FR2352768A2 (fr) | 1977-12-23 |
US4182906A (en) | 1980-01-08 |
FR2352768B2 (da) | 1982-07-09 |
NL7705610A (nl) | 1977-11-28 |
GB1525209A (en) | 1978-09-20 |
IT1117095B (it) | 1986-02-10 |
JPS52144651A (en) | 1977-12-02 |
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 | |
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 | |
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 | |
DK66579A (da) | Fremgangsmaade til fremstilling af et optisk aktivt benzamid | |
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 | |
DK429779A (da) | Fremgangsmaade til fremstilling af cyklopropancarboxylsyreestere |