CA1025475A - Racemisation d'acides 2,2-dimethyl-3-(1'-alkenyl)-cyclopropane-1-carboxylique optiquement actifs - Google Patents
Racemisation d'acides 2,2-dimethyl-3-(1'-alkenyl)-cyclopropane-1-carboxylique optiquement actifsInfo
- Publication number
- CA1025475A CA1025475A CA213,346A CA213346A CA1025475A CA 1025475 A CA1025475 A CA 1025475A CA 213346 A CA213346 A CA 213346A CA 1025475 A CA1025475 A CA 1025475A
- Authority
- CA
- Canada
- Prior art keywords
- racemization
- cyclopropane
- alkenyl
- dimethyl
- carboxylic acids
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
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 |
---|---|---|---|
JP12750273A JPS5337858B2 (fr) | 1973-11-12 | 1973-11-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1025475A true CA1025475A (fr) | 1978-01-31 |
Family
ID=14961548
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA213,346A Expired CA1025475A (fr) | 1973-11-12 | 1974-11-08 | Racemisation d'acides 2,2-dimethyl-3-(1'-alkenyl)-cyclopropane-1-carboxylique optiquement actifs |
Country Status (11)
Country | Link |
---|---|
US (1) | US3989750A (fr) |
JP (1) | JPS5337858B2 (fr) |
BE (1) | BE822046A (fr) |
CA (1) | CA1025475A (fr) |
CH (1) | CH615411A5 (fr) |
DK (1) | DK586374A (fr) |
FR (1) | FR2250728B1 (fr) |
GB (1) | GB1448316A (fr) |
IT (1) | IT1024802B (fr) |
NL (1) | NL7414766A (fr) |
SU (1) | SU722479A3 (fr) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4206140A (en) * | 1966-08-26 | 1980-06-03 | Roussel Uclaf | Novel cyclopropanecarboxylic acids and esters |
JPS52144651A (en) * | 1976-05-24 | 1977-12-02 | Sumitomo Chem Co Ltd | Racemization of optical active 2,2-dimethyl-3-(1-alkenyl)-cyclopropane-1-carboxylic acid |
JPS57163341A (en) * | 1981-03-30 | 1982-10-07 | Sumitomo Chem Co Ltd | Preparation of racemized cyclopropanecarboxylic acid derivative |
US4473703A (en) * | 1981-03-30 | 1984-09-25 | Sumitomo Chemical Company, Limited | Method of epimerization of alkyl chrysanthemate |
JPS5869831A (ja) * | 1981-10-22 | 1983-04-26 | Sumitomo Chem Co Ltd | (+)−トランス第一菊酸の製造法 |
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. |
HU203513B (en) * | 1987-04-28 | 1991-08-28 | Sumitomo Chemical Co | Process for racemizing and trans-isomerizing optically active chrisanthemic acid derivatives |
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 |
US5840958A (en) * | 1996-10-17 | 1998-11-24 | Fmc Corporation | 1S to 1R Epimerizations of pyrethroid intermediates |
CN114539045B (zh) * | 2020-11-18 | 2023-07-21 | 中国科学院大连化学物理研究所 | 一种反式左旋菊酸的消旋化方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2038019A5 (fr) * | 1969-03-22 | 1970-12-31 | Sumitomo Chemical Co |
-
1973
- 1973-11-12 JP JP12750273A patent/JPS5337858B2/ja not_active Expired
-
1974
- 1974-11-08 CA CA213,346A patent/CA1025475A/fr not_active Expired
- 1974-11-08 US US05/522,130 patent/US3989750A/en not_active Expired - Lifetime
- 1974-11-08 FR FR7437188A patent/FR2250728B1/fr not_active Expired
- 1974-11-11 IT IT70311/74A patent/IT1024802B/it active
- 1974-11-11 SU SU742078312A patent/SU722479A3/ru active
- 1974-11-11 DK DK586374A patent/DK586374A/da not_active Application Discontinuation
- 1974-11-11 GB GB4864374A patent/GB1448316A/en not_active Expired
- 1974-11-12 CH CH1510374A patent/CH615411A5/de not_active IP Right Cessation
- 1974-11-12 NL NL7414766A patent/NL7414766A/xx not_active Application Discontinuation
- 1974-11-12 BE BE150378A patent/BE822046A/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
IT1024802B (it) | 1978-07-20 |
JPS5077346A (fr) | 1975-06-24 |
DE2453639B2 (de) | 1977-06-23 |
BE822046A (fr) | 1975-05-12 |
JPS5337858B2 (fr) | 1978-10-12 |
DE2453639A1 (de) | 1975-05-15 |
DK586374A (fr) | 1975-07-14 |
US3989750A (en) | 1976-11-02 |
CH615411A5 (fr) | 1980-01-31 |
FR2250728B1 (fr) | 1976-12-31 |
NL7414766A (nl) | 1975-05-14 |
FR2250728A1 (fr) | 1975-06-06 |
GB1448316A (en) | 1976-09-02 |
SU722479A3 (ru) | 1980-03-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA1032946A (fr) | Esters de tetramethylpiperidinols-2,2,6,6 et d'acides hydroxybenzylmaloniques | |
CA1025475A (fr) | Racemisation d'acides 2,2-dimethyl-3-(1'-alkenyl)-cyclopropane-1-carboxylique optiquement actifs | |
NO156940C (no) | Anlogifremgangsmte til fremstilling av terapeutisk aktive cis, endo-2-azabicyklo-(3.3.0)-oktan-3-karboksylsyrer. | |
CA1010055A (en) | PREPARATION OF OPTICALLY ACTIVE ESTERS OF .alpha.-AMINO ACIDS | |
CA1002749A (en) | Swivel cleat shoe | |
IT7829682A0 (it) | Procedimento per la preparazione di acidi alfa, omega -dicarbossilici. | |
IT7920814A0 (it) | Procedimento per la preparazione di acidi benzen-carbossilici. | |
CA1006540A (en) | Preparation of optically active allethrolone via allethronyl acid phthalate | |
AU465121B2 (en) | Assymetrically substituted 4,4'-bis-triazinylamino-stilbene-2, 2'-disulphonic acids | |
IL51465A0 (en) | The preparation of 2,2-dimethyl-3-(2',2'-dichlorovinyl)-cyclopropane-1-carboxylic acid | |
CA1029037A (fr) | Racemisation d'allethrolone optiquement active | |
CA1028357A (fr) | Racemisation d'allethrolone ayant des proprietes optiques | |
IE40840L (en) | Aryl carboxylic acids as hypolipemic agents | |
IL52164A0 (en) | The preparation of 2,2-dimethyl-3-(2',2'-dihalovinyl)-cyclopropane-1-carboxylic acid esters | |
CY994A (en) | Substituted 2,2-dimethyl cyclopropane carboxylic acid esters processes for their preparation and their use as insecticides | |
CA1003430A (en) | Preparation of o,o-dialkyl-o-(2,2-dichlorovinyl)-thionophosphoric acid esters | |
CA993456A (en) | Preparation of 2,3-dimethylnaphthalene | |
IT7820346A0 (it) | Processo per la preparazione di esteri di acidi bis-(3',5'-di-t-butil-4'-idrossi-fe nil)alchilcarbossilici. | |
CA1010880A (en) | 3,5-dialkyl-4-hydroxybenzoic acid esters | |
IL45878A (en) | 2,2-dimethyl-3-(2-ethyl-3-oxo-buten-1-yl)-cyclopropane carboxylic acid derivatives,process for their preparation and insecticidal compositios containing them | |
CA1032163A (fr) | Acides dihydrophtalazine-1,2 acetiques-1 | |
CA876139A (en) | Preparation for optically active 3,4-dihydroxy phenyl-alanine | |
CA862753A (en) | Polysulfonated bis-s-triazinylamino-stilbene-2,2' disulfonic acids | |
AU465183B2 (en) | 7-s-(3-hydroxy-1-arenyltrans-1-propenyl)-(substituted)-cyclopentyl]-heptanoic and cis-5-heptenoic acids | |
CA1031331A (fr) | Acides poly-5-halogeno-2-halogeno-2' desoxyuridyliques |