SE430984B - Sett att spalta dl-cis och dl-trans krysantemsyra - Google Patents

Sett att spalta dl-cis och dl-trans krysantemsyra

Info

Publication number
SE430984B
SE430984B SE7908765A SE7908765A SE430984B SE 430984 B SE430984 B SE 430984B SE 7908765 A SE7908765 A SE 7908765A SE 7908765 A SE7908765 A SE 7908765A SE 430984 B SE430984 B SE 430984B
Authority
SE
Sweden
Prior art keywords
acid
cis
salt
chrysanthemic acid
methyl
Prior art date
Application number
SE7908765A
Other languages
English (en)
Swedish (sv)
Other versions
SE7908765L (sv
Inventor
C Pavan
J Bulidon
Original Assignee
Roussel Uclaf
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 filed Critical Roussel Uclaf
Publication of SE7908765L publication Critical patent/SE7908765L/xx
Publication of SE430984B publication Critical patent/SE430984B/sv

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42Separation; Purification; Stabilisation; Use of additives
    • C07C51/487Separation; 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)
SE7908765A 1978-12-08 1979-10-23 Sett att spalta dl-cis och dl-trans krysantemsyra SE430984B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7834591A FR2443452A1 (fr) 1978-12-08 1978-12-08 Nouveau procede de dedoublement de l'acide dl cis et dl trans chrysanthemique

Publications (2)

Publication Number Publication Date
SE7908765L SE7908765L (sv) 1980-06-09
SE430984B true SE430984B (sv) 1983-12-27

Family

ID=9215840

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7908765A SE430984B (sv) 1978-12-08 1979-10-23 Sett att spalta dl-cis och dl-trans krysantemsyra

Country Status (12)

Country Link
US (1) US4257976A (de)
JP (1) JPS56108736A (de)
BE (1) BE880490A (de)
CA (1) CA1127180A (de)
CH (1) CH641751A5 (de)
DE (1) DE2949384A1 (de)
ES (1) ES486670A1 (de)
FR (1) FR2443452A1 (de)
HU (1) HU181948B (de)
IT (1) IT1164774B (de)
NL (1) NL7908881A (de)
SE (1) SE430984B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU543276B2 (en) * 1981-06-18 1985-04-18 Stauffer Chemical Company Resolution of dl-trans-chrysanthemic acid
US4542235A (en) * 1982-04-12 1985-09-17 Sumitomo Chemical Company, Limited Method for producing an optically active 2,2-dimethylcyclopropanecarboxylic acid
US4663474A (en) * 1983-02-22 1987-05-05 Pfizer Inc. Synthetic intermediates for a chiral 3-(substituted-phenyl)-4-(3-hydroxypropyl) cyclohexanol
ATE178650T1 (de) 1992-06-05 1999-04-15 Scripps Research Inst D-enzymzusammensetzungen und verfahren zu deren verwendung
US5447897A (en) * 1993-05-17 1995-09-05 Shell Oil Company Ethylene oxide catalyst and process
ITMI20050231A1 (it) * 2005-02-17 2006-08-18 Endura Spa Processo per l'ottenimento di enantiomeri dell'acido crisantemico

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR92748E (fr) * 1966-01-26 1968-12-20 Roussel Uclaf Nouveaux composés optiquement actifs et procédé pour leur utilisation au dédoublement de produits racémiques.
FR1536458A (fr) * 1967-07-07 1968-08-16 Roussel Uclaf Procédé d'obtention de l'acide d-trans chrysanthémique
NL6705942A (de) * 1966-04-27 1967-10-30
FR1507192A (fr) * 1966-08-26 1967-12-29 Roussel Uclaf Nouvelles aryl allylsulfones et procédé de préparation
US3739019A (en) * 1969-07-02 1973-06-12 Sumitomo Chemical Co Preparation of optically active trans chrysanthemic acid
BE755498A (fr) * 1969-09-12 1971-02-01 Sumitomo Chemical Co Preparation d'acide chrysanthemique optiquement
HU165117B (de) * 1971-08-12 1974-06-28
BE790240A (fr) * 1971-10-19 1973-02-15 Sumitomo Chemical Co Procede de preparation de l'acide mixte (+)-cis, (+)-trans- chrysanthemique
JPS5123497B2 (de) * 1972-01-07 1976-07-17
JPS4992049A (de) * 1973-01-09 1974-09-03
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

Also Published As

Publication number Publication date
ES486670A1 (es) 1980-05-16
JPS56108736A (en) 1981-08-28
IT1164774B (it) 1987-04-15
CA1127180A (fr) 1982-07-06
HU181948B (en) 1983-11-28
DE2949384A1 (de) 1980-06-26
US4257976A (en) 1981-03-24
SE7908765L (sv) 1980-06-09
IT7951027A0 (it) 1979-12-07
BE880490A (fr) 1980-06-09
CH641751A5 (fr) 1984-03-15
JPS6410508B2 (de) 1989-02-22
DE2949384C2 (de) 1990-09-13
FR2443452A1 (fr) 1980-07-04
NL7908881A (nl) 1980-06-10
FR2443452B1 (de) 1981-08-14

Similar Documents

Publication Publication Date Title
US2664440A (en) Separation of isophthalic and terephthalic acids from their mixtures
US4533764A (en) Purification of bisphenols by removing residual solvent
SU895285A3 (ru) Способ получени N-замещенного бис-карбамоилсульфида
SE430984B (sv) Sett att spalta dl-cis och dl-trans krysantemsyra
US4002666A (en) Process for the preparation of optically active p-hydroxyphenylglycine
SU556727A3 (ru) Способ получени производных 1,2,4--триазола
US3108137A (en) Production of organic sulfonyl chlorides
US3869505A (en) DL-2-(4-hydroxyphenyl)-glycine-N,O-diacetate and salts
CA1058615A (en) Process for benz(f)-2,5-oxazocines
KR100371241B1 (ko) O,s-디메틸n-아세틸포스포르아미도티오에이트의정제방법
JPS5821906B2 (ja) トランス −4− アミノメチルシクロヘキサカルボンサン ノ セイゾウホウ
PL72564B1 (en) Resolution process[us3646118a]
US4467119A (en) Phenolic antioxidant
US4237304A (en) Oxazolinium salts and method of preparation
JPH0134979B2 (de)
US4985575A (en) Process for preparing optically active tetrahydro-2-furoic acid
US4454344A (en) Method for the resolution of racemic 2-(p-difluoromethoxyphenyl)-3-methylbutyric acid
HU192763B (en) Process for resolving d,1-trans-chrysanthemic acid with l-/-/-ephedrine
KR950010597B1 (ko) 세팔로스포린 유도체의 신규한 제조방법
JP2970089B2 (ja) ニトロフェノール類の製造法
JP3291987B2 (ja) O,s−ジメチル−n−アセチルホスホルアミドチオエートの精製法
US2875227A (en) Ephedrine salts of 7-carboethoxy-3-acetylthioheptanoic acid
US2687413A (en) Preparation of alkali metal penicillinates
US1835755A (en) Method for purification of ortho-phenyl-phenol
EP0090202B1 (de) Verfahren zur Herstellung von p.Chlorophenoxyacetyl-piperonylpiperazin

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 7908765-6

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 7908765-6

Format of ref document f/p: F