FI76549B - Foerfarande foer framstaellning av ett enantiomerpar av cyanbensyl-isopropylfenylacetatderivat. - Google Patents
Foerfarande foer framstaellning av ett enantiomerpar av cyanbensyl-isopropylfenylacetatderivat. Download PDFInfo
- Publication number
- FI76549B FI76549B FI820879A FI820879A FI76549B FI 76549 B FI76549 B FI 76549B FI 820879 A FI820879 A FI 820879A FI 820879 A FI820879 A FI 820879A FI 76549 B FI76549 B FI 76549B
- Authority
- FI
- Finland
- Prior art keywords
- crystals
- enantiomeric pair
- enriched
- pair
- process according
- Prior art date
Links
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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Claims (7)
1. Förfarande för framställning av ett cyanbensyl-isopropylfenylacetat med formeln I 5 X1 CH, ΦΎ* - · s^i) "
10 H väri R·*· är en väteatom, en halogenatom eller en alkylgrupp med 1-4 kolatomer eller en metoxi- eller etoxigrupp,var-dera eventuellt substituerade med en eller flera halogen-atomer och är fenoxi; och vilket är anrikat med 15 S-Οί,-cyan-bensyl-S-Ot-isopropylfenylacetat och dess enantiomer (härefter benämnt enantiomerparet Y), känne-t e c k n a t därav, att kristaller anrikade med S-&-cyanbensyl-R- Cb-isopropylfenylacetat och dess enantiomer (härefter benämnt enantiomerparet X) utfälls i närvaro av 20 kristaller av enantiomerparet X ur en lösning av motsva-rande racemiska R,S- Cfc-cyanbensyl-R,S-O-isopropylfenyl-acetat i en alkanol innehällande 1-4 kolatomer, dessa med enantiomerparet X anrikade kristaller separeras frän moderluten, de sälunda separerade kristallerna löses änyo 25 i lösningsmedel och den resulterande lösningen behandlas med en bas för epimeriserande av det lösta enantiomerparet X tili motsvarande racemiska blandning, den racemiska blandningen ätercirkuleras tili utfällningssteget och den med enantiomerparet Y anrikade moderluten tillvaratas. 30 2. Förfarande enligt patentkravet 1, känne- t e c k n a t därav, att basen är ammonium.
3. Förfarande enligt patentkravet 2, känne-t e c k n a t därav, att lösningsmedlet är metanol.
4. Förfarande enligt n&got av patentkraven 1-3, 35 kännetecknat därav, att utfällningen av de med
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US24437281 | 1981-03-16 | ||
| US06/244,372 US4350642A (en) | 1981-03-16 | 1981-03-16 | Process for preparation of a pesticidal phenylacetate enantiomer pair |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| FI820879L FI820879L (fi) | 1982-09-17 |
| FI76549B true FI76549B (fi) | 1988-07-29 |
| FI76549C FI76549C (sv) | 1988-11-10 |
Family
ID=22922456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI820879A FI76549C (sv) | 1981-03-16 | 1982-03-15 | Förfarande för framställning av ett enantiomerpar av cyanbensyl-isopro pylfenylacetatderivat |
Country Status (33)
| Country | Link |
|---|---|
| US (1) | US4350642A (sv) |
| EP (1) | EP0060580B1 (sv) |
| JP (1) | JPS57159754A (sv) |
| KR (1) | KR890000366B1 (sv) |
| AR (1) | AR228971A1 (sv) |
| AT (1) | ATE13660T1 (sv) |
| AU (1) | AU552864B2 (sv) |
| BG (1) | BG42002A3 (sv) |
| BR (1) | BR8201406A (sv) |
| CA (1) | CA1231718A (sv) |
| CS (1) | CS246054B2 (sv) |
| CU (1) | CU21440A3 (sv) |
| DD (1) | DD202005A5 (sv) |
| DE (1) | DE3263981D1 (sv) |
| DK (1) | DK169539B1 (sv) |
| EG (1) | EG17022A (sv) |
| ES (1) | ES510428A0 (sv) |
| FI (1) | FI76549C (sv) |
| GR (1) | GR76069B (sv) |
| HU (1) | HU186485B (sv) |
| IE (1) | IE52811B1 (sv) |
| IL (1) | IL65249A0 (sv) |
| IN (1) | IN157710B (sv) |
| NO (1) | NO152557C (sv) |
| NZ (1) | NZ200015A (sv) |
| OA (1) | OA07040A (sv) |
| PH (1) | PH17588A (sv) |
| PL (1) | PL139390B1 (sv) |
| PT (1) | PT74583B (sv) |
| RO (1) | RO84322B (sv) |
| TR (1) | TR21228A (sv) |
| YU (1) | YU43790B (sv) |
| ZA (1) | ZA821712B (sv) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54103831A (en) * | 1978-01-27 | 1979-08-15 | Sumitomo Chem Co Ltd | Separation of stereoisomers of higher active cyanoo33 phenoxybenzyl 22*44chlorophenyl**isovalerate |
| US4176195A (en) * | 1978-07-20 | 1979-11-27 | Sumitomo Chemical Company, Limited | Pesticidal α-cyanobenzyl ester enantiomer pair |
| JPS55104253A (en) * | 1979-02-06 | 1980-08-09 | Sumitomo Chem Co Ltd | Stereoisomer of more active carboxylic ester, method of obtaining it, insecticide and acaricide comprising it |
| JPS56167654A (en) * | 1980-05-28 | 1981-12-23 | Sumitomo Chem Co Ltd | Method for obtaining stereoisomeric mixture of more highly active phenylacetic ester derivative |
-
1981
- 1981-03-16 US US06/244,372 patent/US4350642A/en not_active Expired - Fee Related
-
1982
- 1982-02-08 DK DK053182A patent/DK169539B1/da not_active IP Right Cessation
- 1982-02-09 IN IN103/DEL/82A patent/IN157710B/en unknown
- 1982-02-12 CA CA000396198A patent/CA1231718A/en not_active Expired
- 1982-02-24 DE DE8282200227T patent/DE3263981D1/de not_active Expired
- 1982-02-24 EP EP82200227A patent/EP0060580B1/en not_active Expired
- 1982-02-24 AT AT82200227T patent/ATE13660T1/de not_active IP Right Cessation
- 1982-03-12 AR AR288732A patent/AR228971A1/es active
- 1982-03-13 KR KR8201075A patent/KR890000366B1/ko active
- 1982-03-15 CU CU35609A patent/CU21440A3/es unknown
- 1982-03-15 ZA ZA821712A patent/ZA821712B/xx unknown
- 1982-03-15 NO NO820834A patent/NO152557C/no unknown
- 1982-03-15 HU HU82782A patent/HU186485B/hu not_active IP Right Cessation
- 1982-03-15 GR GR67594A patent/GR76069B/el unknown
- 1982-03-15 NZ NZ200015A patent/NZ200015A/en unknown
- 1982-03-15 CS CS821749A patent/CS246054B2/cs unknown
- 1982-03-15 IE IE588/82A patent/IE52811B1/en not_active IP Right Cessation
- 1982-03-15 OA OA57635A patent/OA07040A/xx unknown
- 1982-03-15 FI FI820879A patent/FI76549C/sv not_active IP Right Cessation
- 1982-03-15 RO RO106912A patent/RO84322B/ro unknown
- 1982-03-15 TR TR21228A patent/TR21228A/xx unknown
- 1982-03-15 IL IL65249A patent/IL65249A0/xx not_active IP Right Cessation
- 1982-03-15 PL PL1982235454A patent/PL139390B1/pl unknown
- 1982-03-15 ES ES510428A patent/ES510428A0/es active Granted
- 1982-03-15 JP JP57039595A patent/JPS57159754A/ja active Granted
- 1982-03-15 PH PH26988A patent/PH17588A/en unknown
- 1982-03-15 EG EG132/82A patent/EG17022A/xx active
- 1982-03-15 AU AU81532/82A patent/AU552864B2/en not_active Ceased
- 1982-03-15 BG BG8255781A patent/BG42002A3/xx unknown
- 1982-03-15 PT PT74583A patent/PT74583B/pt not_active IP Right Cessation
- 1982-03-15 YU YU565/82A patent/YU43790B/xx unknown
- 1982-03-15 BR BR8201406A patent/BR8201406A/pt not_active IP Right Cessation
- 1982-03-15 DD DD82238160A patent/DD202005A5/de not_active IP Right Cessation
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed | ||
| MM | Patent lapsed |
Owner name: SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V. |