MD205C2 - Procedeu de obţinere a perechii enantiomere cruistaline a izomerilor esterului (S)- -cian-fenoxibenzilic al acidului (1R, CIS)-3-(Z-3-Clor-3,3,3-TRIFLUORPROP-1-EN-1-IL)-2,2 dimetilciclopropanic şi esterului (R)- -cian-3-fenoxibenzilic al acidului (1S, CIS)-3-(Z-2-Clor-3,3,3-trifluorprop-1-en-1il)-2,2-dimetilciclopropanic - Google Patents

Procedeu de obţinere a perechii enantiomere cruistaline a izomerilor esterului (S)- -cian-fenoxibenzilic al acidului (1R, CIS)-3-(Z-3-Clor-3,3,3-TRIFLUORPROP-1-EN-1-IL)-2,2 dimetilciclopropanic şi esterului (R)- -cian-3-fenoxibenzilic al acidului (1S, CIS)-3-(Z-2-Clor-3,3,3-trifluorprop-1-en-1il)-2,2-dimetilciclopropanic

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Publication number
MD205C2
MD205C2 MD94-0229A MD940229A MD205C2 MD 205 C2 MD205 C2 MD 205C2 MD 940229 A MD940229 A MD 940229A MD 205 C2 MD205 C2 MD 205C2
Authority
MD
Moldova
Prior art keywords
cyano
ether
acid
prop
cis
Prior art date
Application number
MD94-0229A
Other languages
English (en)
Russian (ru)
Other versions
MD205B1 (ro
Inventor
Michael John Robson
John Crosby
Original Assignee
Imperial Chemical Industries Plc
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
Priority claimed from SU833652706A external-priority patent/SU1225483A3/ru
Application filed by Imperial Chemical Industries Plc filed Critical Imperial Chemical Industries Plc
Publication of MD205B1 publication Critical patent/MD205B1/ro
Publication of MD205C2 publication Critical patent/MD205C2/ro

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Abstract

Procedeul constă în aceea că eterul α-cian-3-fenoxibenzilic al acidului 3-(2-clor-3, 3, 3-trifluorprop-1-en-1-il)-2,2-dimetilciclopropanic se dizolvă într-un solvent organic, selectat din C2-C5-alcanoli sau C1-C8-alcani în raportul de masă 1:1-2, soluţia obţinută se răceşte până la (-10)-(+5)°C, se adaugă agentul de cristalizare a perechii enantiomere a izomerilor astfel, încât ei să rămână insolubili, apoi soluţia se matureză la temperatura indicată timp de 0,4-33 zile, cristalele sedimentate se separă sau în mod opţional se recristalizează.Preparatul obţinut posedă activitate insecticidă sporită.
MD94-0229A 1982-10-11 1994-05-25 Procedeu de obţinere a perechii enantiomere cruistaline a izomerilor esterului (S)- -cian-fenoxibenzilic al acidului (1R, CIS)-3-(Z-3-Clor-3,3,3-TRIFLUORPROP-1-EN-1-IL)-2,2 dimetilciclopropanic şi esterului (R)- -cian-3-fenoxibenzilic al acidului (1S, CIS)-3-(Z-2-Clor-3,3,3-trifluorprop-1-en-1il)-2,2-dimetilciclopropanic MD205C2 (ro)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8228983 1982-10-11
SU833652706A SU1225483A3 (ru) 1982-10-11 1983-10-10 Способ получени кристаллической энантиомерной пары изомеров / @ /- @ -циано-3-феноксибензилового эфира / @ ,цис/-/-3-/ @ -3-хлор-3,3,3-трифторпроп-1-ен-1-ил/-2,2-диметилциклопропановой кислоты и/ @ / @ -циано-3-феноксибензилового эфира / @ ,цис/-3/- @ -2-хлор-3,3,3-трифторпроп-1-ен-1-ил/-2-2-диметилциклопропановой кислоты

Publications (2)

Publication Number Publication Date
MD205B1 MD205B1 (ro) 1995-05-31
MD205C2 true MD205C2 (ro) 1995-11-30

Family

ID=26284088

Family Applications (1)

Application Number Title Priority Date Filing Date
MD94-0229A MD205C2 (ro) 1982-10-11 1994-05-25 Procedeu de obţinere a perechii enantiomere cruistaline a izomerilor esterului (S)- -cian-fenoxibenzilic al acidului (1R, CIS)-3-(Z-3-Clor-3,3,3-TRIFLUORPROP-1-EN-1-IL)-2,2 dimetilciclopropanic şi esterului (R)- -cian-3-fenoxibenzilic al acidului (1S, CIS)-3-(Z-2-Clor-3,3,3-trifluorprop-1-en-1il)-2,2-dimetilciclopropanic

Country Status (3)

Country Link
LT (1) LT2115B (ro)
LV (1) LV5122A3 (ro)
MD (1) MD205C2 (ro)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MD523Z (ro) * 2012-01-16 2013-02-28 Александру ГУЛПА Capac din material plastic pentru borcan

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4183948A (en) * 1977-01-24 1980-01-15 Imperial Chemical Industries Limited Halogenated esters

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4183948A (en) * 1977-01-24 1980-01-15 Imperial Chemical Industries Limited Halogenated esters

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Мельников Н. И др. Химические средства защиты растений (пестициды). Справочник. М.: Химия, 1980, с. 183 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MD523Z (ro) * 2012-01-16 2013-02-28 Александру ГУЛПА Capac din material plastic pentru borcan

Also Published As

Publication number Publication date
LT2115B (lt) 1993-08-15
MD205B1 (ro) 1995-05-31
LV5122A3 (lv) 1993-06-10

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FG4A Patent for invention issued
IF99 Valid patent on 19990615

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