ES489922A1 - Procedimiento de desdoblamiento de los acidos d,l-cis y d,l-trans 2,2-dimetil-3-(2,2-dihalogenovinil)ciclopropa- no-1-carboxilicos - Google Patents

Procedimiento de desdoblamiento de los acidos d,l-cis y d,l-trans 2,2-dimetil-3-(2,2-dihalogenovinil)ciclopropa- no-1-carboxilicos

Info

Publication number
ES489922A1
ES489922A1 ES489922A ES489922A ES489922A1 ES 489922 A1 ES489922 A1 ES 489922A1 ES 489922 A ES489922 A ES 489922A ES 489922 A ES489922 A ES 489922A ES 489922 A1 ES489922 A1 ES 489922A1
Authority
ES
Spain
Prior art keywords
ephedrine
dihalovinyl
cyclopropane
cis
trans
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
Application number
ES489922A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanofi Aventis France
Original Assignee
Roussel Uclaf SA
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
Application filed by Roussel Uclaf SA filed Critical Roussel Uclaf SA
Publication of ES489922A1 publication Critical patent/ES489922A1/es
Expired legal-status Critical Current

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)

Abstract

Procedimiento de desdoblamiento de los ácidos D,L-cis y D,L-trans 2,2-dimetil-3-(2,2- dihalogenovinil)ciclopropano-1-carboxílicos de la fórmula I: ***(Fórmula I)*** en la cual X representa un átomo de flúor, cloro o bromo, caracterizado porque se salifica un ácido de fórmula (I) con una base ópticamente activa, escogida del grupo constituido por D- efedrina, L-efedrina, D-N-metilefedrina, L-N-metilefedrina, D-seudoefedrina, L- seudoefedrina, se aísla la sal cristalina formada correspondiente al ácido y a la base utilizados y, después, se descompone dicha sal mediante hidrólisis ácida, para obtener el ácido desdoblado correspondiente al ácido (I) utilizado.
ES489922A 1979-04-03 1980-03-26 Procedimiento de desdoblamiento de los acidos d,l-cis y d,l-trans 2,2-dimetil-3-(2,2-dihalogenovinil)ciclopropa- no-1-carboxilicos Expired ES489922A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7908338A FR2455024A1 (fr) 1979-04-03 1979-04-03 Nouveau procede de dedoublement des acides d,l-cis 2,2-dimethyl 3-(2',2'-dihalovinyl) cyclopropane-1-carboxylique

Publications (1)

Publication Number Publication Date
ES489922A1 true ES489922A1 (es) 1980-10-01

Family

ID=9223879

Family Applications (1)

Application Number Title Priority Date Filing Date
ES489922A Expired ES489922A1 (es) 1979-04-03 1980-03-26 Procedimiento de desdoblamiento de los acidos d,l-cis y d,l-trans 2,2-dimetil-3-(2,2-dihalogenovinil)ciclopropa- no-1-carboxilicos

Country Status (13)

Country Link
US (1) US4328173A (es)
JP (2) JPS55133330A (es)
BE (1) BE882595A (es)
CA (1) CA1127183A (es)
CH (1) CH648284A5 (es)
DE (2) DE3013151A1 (es)
ES (1) ES489922A1 (es)
FR (1) FR2455024A1 (es)
GB (1) GB2047696B (es)
HU (1) HU185212B (es)
IT (1) IT1144044B (es)
NL (1) NL192681C (es)
SE (1) SE447822B (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HU185030B (en) * 1981-02-20 1984-11-28 Chinoin Gyogyszer Es Vegyeszet Process for producing isomere mixtures of pure dichloro-vinyl-cyclopropane-carboxylic acids
AU543276B2 (en) * 1981-06-18 1985-04-18 Stauffer Chemical Company Resolution of dl-trans-chrysanthemic acid
HU188335B (en) * 1982-11-25 1986-04-28 Chinoin Gyogyszer Es Vegyeszeti Termekek Gyara Rt,Hu Process for preparing optically active derivatives of cyclopropane-carboxylic acid
JPH02131883U (es) * 1989-04-04 1990-11-01
JP2517125B2 (ja) * 1989-11-09 1996-07-24 松下電器産業株式会社 雑音消去回路
GB2330579B (en) * 1997-10-31 1999-09-08 Gharda Chemicals Limited Resolution of the (+)2,2-dimethyl-3-(2,2-disubstitutedvinyl)-cyclopropane-1-carboxylic acids from its optical Isomers
ITMI20050231A1 (it) * 2005-02-17 2006-08-18 Endura Spa Processo per l'ottenimento di enantiomeri dell'acido crisantemico

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3590077A (en) * 1966-01-26 1971-06-29 Roussel Uclaf Salts of chrysanthemic acid with 1-p-nitrophenyl - 2-n,n - dimethyl-aminopropane-1,3-diols
FR1507192A (fr) * 1966-08-26 1967-12-29 Roussel Uclaf Nouvelles aryl allylsulfones et procédé de préparation
US4014918A (en) * 1968-07-12 1977-03-29 Roussel-Uclaf Process for the preparation of cyclopropane derivatives and compounds produced therein
US3739019A (en) * 1969-07-02 1973-06-12 Sumitomo Chemical Co Preparation of optically active trans chrysanthemic acid
BE790240A (fr) * 1971-10-19 1973-02-15 Sumitomo Chemical Co Procede de preparation de l'acide mixte (+)-cis, (+)-trans- chrysanthemique
JPS5123497B2 (es) * 1972-01-07 1976-07-17
US4024163A (en) * 1972-05-25 1977-05-17 National Research Development Corporation Insecticides
CH611593A5 (en) * 1973-08-15 1979-06-15 Nat Res Dev Process for the preparation of a cyclopropanecarboxylic acid ester
JPS562060B2 (es) * 1974-04-09 1981-01-17
JPS5136441A (en) * 1974-09-20 1976-03-27 Sumitomo Chemical Co * purasu * toransu 2*22 jimechiru 33 * 2*22 jikurorubiniru * shikuroburopankarubonsannoshutokuhoho
JPS51143647A (en) * 1975-06-06 1976-12-10 Sumitomo Chem Co Ltd Process for obtaining optically active trans-2,2-dimethyl-3-(2,2-dichl orovinyl) cyclopropanecarboxylic acid
DE2826952A1 (de) * 1978-06-20 1980-01-10 Bayer Ag Enantiomerentrennung von chiralen carbonsaeuren
US4229593A (en) * 1979-05-29 1980-10-21 Fmc Corporation Method to prepare (+)-cis-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylic acid

Also Published As

Publication number Publication date
NL192681C (nl) 1997-12-02
JPH0314818B2 (es) 1991-02-27
JPH0134979B2 (es) 1989-07-21
HU185212B (en) 1984-12-28
JPS55133330A (en) 1980-10-17
NL8001953A (nl) 1980-10-07
US4328173A (en) 1982-05-04
IT8048118A0 (it) 1980-03-10
IT1144044B (it) 1986-10-29
DE3013151C2 (es) 1990-10-11
FR2455024B1 (es) 1981-10-02
BE882595A (fr) 1980-10-02
SE8000740L (sv) 1980-10-04
CA1127183A (fr) 1982-07-06
FR2455024A1 (fr) 1980-11-21
GB2047696A (en) 1980-12-03
DE3013151A1 (de) 1980-10-23
NL192681B (nl) 1997-08-01
CH648284A5 (fr) 1985-03-15
SE447822B (sv) 1986-12-15
GB2047696B (en) 1983-04-20
DE3051212C2 (es) 1991-06-27
JPH02134A (ja) 1990-01-05

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20000601