ZA929971B - Isomerisation process. - Google Patents
Isomerisation process.Info
- Publication number
- ZA929971B ZA929971B ZA929971A ZA929971A ZA929971B ZA 929971 B ZA929971 B ZA 929971B ZA 929971 A ZA929971 A ZA 929971A ZA 929971 A ZA929971 A ZA 929971A ZA 929971 B ZA929971 B ZA 929971B
- Authority
- ZA
- South Africa
- Prior art keywords
- enantiomer
- epimer
- racemic
- isomer
- modification
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 3
- 238000006317 isomerization reaction Methods 0.000 title 1
- 230000004048 modification Effects 0.000 abstract 2
- 238000012986 modification Methods 0.000 abstract 2
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 abstract 1
- 125000004432 carbon atom Chemical group C* 0.000 abstract 1
- 239000003085 diluting agent Substances 0.000 abstract 1
- 125000005842 heteroatom Chemical group 0.000 abstract 1
- 150000002825 nitriles Chemical class 0.000 abstract 1
- 239000003495 polar organic solvent Substances 0.000 abstract 1
- 239000002002 slurry Substances 0.000 abstract 1
- 239000002904 solvent Substances 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
- C07C255/01—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms
- C07C255/32—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms having cyano groups bound to acyclic carbon atoms of a carbon skeleton containing at least one six-membered aromatic ring
- C07C255/38—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms having cyano groups bound to acyclic carbon atoms of a carbon skeleton containing at least one six-membered aromatic ring the carbon skeleton being further substituted by esterified hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
- C07C255/01—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms
- C07C255/32—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms having cyano groups bound to acyclic carbon atoms of a carbon skeleton containing at least one six-membered aromatic ring
- C07C255/38—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms having cyano groups bound to acyclic carbon atoms of a carbon skeleton containing at least one six-membered aromatic ring the carbon skeleton being further substituted by esterified hydroxy groups
- C07C255/39—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms having cyano groups bound to acyclic carbon atoms of a carbon skeleton containing at least one six-membered aromatic ring the carbon skeleton being further substituted by esterified hydroxy groups with hydroxy groups esterified by derivatives of 2,2-dimethylcyclopropane carboxylic acids, e.g. of chrysanthemumic acids
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Saccharide Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Steroid Compounds (AREA)
- Lubricants (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB919127355A GB9127355D0 (en) | 1991-12-24 | 1991-12-24 | Isomerisation process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA929971B true ZA929971B (en) | 1993-07-07 |
Family
ID=10706802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA929971A ZA929971B (en) | 1991-12-24 | 1992-12-22 | Isomerisation process. |
Country Status (26)
| Country | Link |
|---|---|
| US (1) | US5334744A (da) |
| EP (1) | EP0618896B1 (da) |
| JP (1) | JP3490083B2 (da) |
| KR (1) | KR100249399B1 (da) |
| AT (1) | ATE142617T1 (da) |
| AU (1) | AU679168B2 (da) |
| BG (1) | BG61446B1 (da) |
| BR (1) | BR9206983A (da) |
| CA (1) | CA2126180C (da) |
| CZ (1) | CZ287245B6 (da) |
| DE (1) | DE69213761T2 (da) |
| DK (1) | DK0618896T3 (da) |
| ES (1) | ES2091497T3 (da) |
| FI (1) | FI114465B (da) |
| GB (2) | GB9127355D0 (da) |
| GR (1) | GR3021271T3 (da) |
| HU (1) | HU214673B (da) |
| NO (1) | NO300678B1 (da) |
| NZ (1) | NZ246081A (da) |
| RO (1) | RO114125B1 (da) |
| RU (1) | RU2129536C1 (da) |
| SK (1) | SK281750B6 (da) |
| TW (1) | TW318827B (da) |
| UA (1) | UA39862C2 (da) |
| WO (1) | WO1993013053A2 (da) |
| ZA (1) | ZA929971B (da) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0229803D0 (en) | 2002-12-20 | 2003-01-29 | Syngenta Ltd | Chemical process |
| KR101595456B1 (ko) | 2014-06-30 | 2016-02-19 | 대한민국 | 보안등의 가변식 차광기구 |
| KR101595453B1 (ko) | 2014-06-30 | 2016-02-19 | 대한민국 | 보안등의 고정식 차광기구 |
| CN107673996A (zh) * | 2017-09-28 | 2018-02-09 | 浙江工业大学 | 一种低活性氰戊菊酯异构体向高活性氰戊菊酯异构体转化的方法 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1062334A (en) * | 1963-09-19 | 1967-03-22 | Merck & Co Inc | Racemization of compounds containing an asymmetric quaternary carbon atom |
| FR2375161A1 (fr) * | 1976-04-23 | 1978-07-21 | Roussel Uclaf | Procede de transformation d'un ester d'acide chiral d'alcool secondaire a-cyane optiquement actif de structure (r) en ester d'acide chiral d'alcool secondaire a-cyane de structure (s) |
| FR2348901A1 (fr) * | 1976-04-23 | 1977-11-18 | Roussel Uclaf | Procede de transformation d'un ester d'acide chiral d'alcool secondaire alpha-cyane optiquement actif en ester d'acide chiral d'alcool secondaire alpha-cyane racemique |
| GB1599876A (en) * | 1977-06-13 | 1981-10-07 | Shell Int Research | Conversion of a stereoisomer into its diastereoisomer |
| CH635563A5 (fr) * | 1977-07-07 | 1983-04-15 | Sumitomo Chemical Co | Procede pour la preparation d'un alpha-cyano-3-phenoxybenzyle optiquement actif. |
| CA1215717A (en) * | 1977-09-26 | 1986-12-23 | Samuel B. Soloway | Process for converting a stereoisomeric ester into its diastereoisomer |
| US4308279A (en) * | 1979-06-06 | 1981-12-29 | Fmc Corporation | Crystalline, insecticidal pyrethroid |
| CA1162560A (en) * | 1980-04-23 | 1984-02-21 | Ronald F. Mason | Process for preparing cyclopropane carboxylic acid ester derivatives |
| JPS56167654A (en) * | 1980-05-28 | 1981-12-23 | Sumitomo Chem Co Ltd | Method for obtaining stereoisomeric mixture of more highly active phenylacetic ester derivative |
| JPS5762298A (en) * | 1980-10-01 | 1982-04-15 | Mitsubishi Chem Ind Ltd | Preparation of 17alpha-cyanosteroid |
| US4422978A (en) * | 1980-10-20 | 1983-12-27 | Sumitomo Chemical Company, Limited | Method for preparing optically active carboxylic acid esters |
| EP0106469B1 (en) * | 1982-10-11 | 1987-01-14 | Imperial Chemical Industries Plc | Insecticidal product and preparation thereof |
| ATE28324T1 (de) * | 1982-10-18 | 1987-08-15 | Ici Plc | Insektizides produkt und seine herstellung. |
| CA1206483A (en) * | 1982-11-11 | 1986-06-24 | Johannes Van Berkel | Process for preparing cyclopropane carboxylic acid ester derivatives |
| DE3401483A1 (de) * | 1984-01-18 | 1985-07-25 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung bestimmter enantiomerenpaare von permethrinsaeure-(alpha)-cyano-3-phenoxy-4-fluor-benzyl-ester |
| GB8418331D0 (en) * | 1984-07-18 | 1984-08-22 | Ici Plc | Insecticidal ester |
| GB8422872D0 (en) * | 1984-09-11 | 1984-10-17 | Ici Plc | Insecticidal product |
| US4997970A (en) * | 1987-06-15 | 1991-03-05 | Fmc Corporation | Conversion of pyrethroid isomers to move active species |
-
1991
- 1991-12-24 GB GB919127355A patent/GB9127355D0/en active Pending
-
1992
- 1992-12-11 GB GB9225856A patent/GB2262737A/en not_active Withdrawn
- 1992-12-15 RO RO94-01080A patent/RO114125B1/ro unknown
- 1992-12-15 EP EP92924842A patent/EP0618896B1/en not_active Expired - Lifetime
- 1992-12-15 AT AT92924842T patent/ATE142617T1/de not_active IP Right Cessation
- 1992-12-15 ES ES92924842T patent/ES2091497T3/es not_active Expired - Lifetime
- 1992-12-15 HU HU9401811A patent/HU214673B/hu not_active IP Right Cessation
- 1992-12-15 BR BR9206983A patent/BR9206983A/pt not_active IP Right Cessation
- 1992-12-15 CZ CZ19941536A patent/CZ287245B6/cs not_active IP Right Cessation
- 1992-12-15 SK SK760-94A patent/SK281750B6/sk unknown
- 1992-12-15 DE DE69213761T patent/DE69213761T2/de not_active Expired - Lifetime
- 1992-12-15 RU RU94031154A patent/RU2129536C1/ru active
- 1992-12-15 CA CA002126180A patent/CA2126180C/en not_active Expired - Fee Related
- 1992-12-15 WO PCT/GB1992/002323 patent/WO1993013053A2/en not_active Ceased
- 1992-12-15 DK DK92924842.5T patent/DK0618896T3/da active
- 1992-12-15 AU AU30932/92A patent/AU679168B2/en not_active Ceased
- 1992-12-15 NZ NZ246081A patent/NZ246081A/en unknown
- 1992-12-15 KR KR1019940702213A patent/KR100249399B1/ko not_active Expired - Fee Related
- 1992-12-15 JP JP51123493A patent/JP3490083B2/ja not_active Expired - Fee Related
- 1992-12-15 UA UA94005435A patent/UA39862C2/uk unknown
- 1992-12-22 ZA ZA929971A patent/ZA929971B/xx unknown
- 1992-12-23 US US07/995,861 patent/US5334744A/en not_active Expired - Lifetime
- 1992-12-30 TW TW081110490A patent/TW318827B/zh not_active IP Right Cessation
-
1994
- 1994-06-21 FI FI942989A patent/FI114465B/fi not_active IP Right Cessation
- 1994-06-23 NO NO942400A patent/NO300678B1/no not_active IP Right Cessation
- 1994-06-24 BG BG98874A patent/BG61446B1/bg unknown
-
1996
- 1996-10-07 GR GR960402622T patent/GR3021271T3/el unknown
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