PT73452B - A new process for the optical resolution of mixtures of d-and l-2-(6-methoxy-2-naphtyl)-propionic acids - Google Patents

A new process for the optical resolution of mixtures of d-and l-2-(6-methoxy-2-naphtyl)-propionic acids

Info

Publication number
PT73452B
PT73452B PT73452A PT7345281A PT73452B PT 73452 B PT73452 B PT 73452B PT 73452 A PT73452 A PT 73452A PT 7345281 A PT7345281 A PT 7345281A PT 73452 B PT73452 B PT 73452B
Authority
PT
Portugal
Prior art keywords
naphtyl
methoxy
mixtures
new process
optical resolution
Prior art date
Application number
PT73452A
Other languages
English (en)
Other versions
PT73452A (en
Original Assignee
Alfa Farmaceutici Spa
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 Alfa Farmaceutici Spa filed Critical Alfa Farmaceutici Spa
Publication of PT73452A publication Critical patent/PT73452A/pt
Publication of PT73452B publication Critical patent/PT73452B/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C59/00—Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
    • C07C59/40—Unsaturated compounds
    • C07C59/58—Unsaturated compounds containing ether groups, groups, groups, or groups
    • C07C59/64—Unsaturated compounds containing ether groups, groups, groups, or groups containing six-membered aromatic rings
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D453/00—Heterocyclic compounds containing quinuclidine or iso-quinuclidine ring systems, e.g. quinine alkaloids
    • C07D453/02—Heterocyclic compounds containing quinuclidine or iso-quinuclidine ring systems, e.g. quinine alkaloids containing not further condensed quinuclidine ring systems
    • C07D453/04—Heterocyclic compounds containing quinuclidine or iso-quinuclidine ring systems, e.g. quinine alkaloids containing not further condensed quinuclidine ring systems having a quinolyl-4, a substituted quinolyl-4 or a alkylenedioxy-quinolyl-4 radical linked through only one carbon atom, attached in position 2, e.g. quinine
    • 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
PT73452A 1980-07-30 1981-07-30 A new process for the optical resolution of mixtures of d-and l-2-(6-methoxy-2-naphtyl)-propionic acids PT73452B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT03492/80A IT1154663B (it) 1980-07-30 1980-07-30 Procedimento per la risoluzione in antipodi ottici di miscele di acidi d- e l-2-(6-metossi-2-naftil)-propionico

Publications (2)

Publication Number Publication Date
PT73452A PT73452A (en) 1981-08-01
PT73452B true PT73452B (en) 1982-07-30

Family

ID=11108380

Family Applications (1)

Application Number Title Priority Date Filing Date
PT73452A PT73452B (en) 1980-07-30 1981-07-30 A new process for the optical resolution of mixtures of d-and l-2-(6-methoxy-2-naphtyl)-propionic acids

Country Status (19)

Country Link
US (1) US4399284A (pt)
EP (1) EP0044984B1 (pt)
JP (2) JPS5764642A (pt)
KR (1) KR860001228B1 (pt)
AR (1) AR229029A1 (pt)
AT (1) ATE6499T1 (pt)
CA (1) CA1159833A (pt)
DE (1) DE3162513D1 (pt)
DK (2) DK337781A (pt)
ES (1) ES504398A0 (pt)
GR (1) GR74968B (pt)
HU (2) HU187975B (pt)
IE (1) IE51531B1 (pt)
IL (1) IL63313A (pt)
IT (1) IT1154663B (pt)
NO (2) NO155005C (pt)
PT (1) PT73452B (pt)
YU (2) YU42576B (pt)
ZA (1) ZA814679B (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4520203A (en) * 1983-08-16 1985-05-28 American Home Products Corporation Resolution of (±)-1,8-diethyl-1,3,4,9-tetrahydropyrano[3,4-b]indole-1-acetic acid using cinchonine
IT1208109B (it) * 1983-11-23 1989-06-06 Alfa Chem Ital Procedimento per la risoluzione ottica di acidi arilpropionici
IT1196197B (it) * 1984-07-23 1988-11-10 Ravizza Spa Procedimento per la risoluzione dell'acido (+)(-) 2-(2'-(p-fluorofenil)--5'-benzossazolil)-propionico
IT1196332B (it) * 1984-11-20 1988-11-16 Secifarma Spa Procedimento per la risoluzione dell'acido (+)-6-metossi-alfa-metil-2-naftalen acetico nei corrispondenti antipodi ottici
IT1196334B (it) * 1984-11-22 1988-11-16 Alfa Chem Ital Processo per la risoluzione ottica di miscugli racemi di acidi alfanaftil-propionici
IT1203605B (it) * 1985-04-18 1989-02-15 Alfa Chem Ital Processo per la risoluzione ottica di miscigli racemi di acidi e naftilpropionici
US6313247B1 (en) 1996-06-05 2001-11-06 Wolfgang Lindner Cinchonan based chiral selectors for separation of stereoisomers
WO2012059797A1 (en) * 2010-11-04 2012-05-10 Lupin Limited Process for synthesis of (s) - pregabalin

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3904682A (en) * 1967-01-13 1975-09-09 Syntex Corp 2-(6{40 -Methoxy-2{40 -naphthyl)acetic acid
US3686183A (en) * 1969-03-24 1972-08-22 Syntex Corp Preparation of optical isomers of arylalkylacetic acids
US3658863A (en) * 1969-09-30 1972-04-25 Syntex Corp 6-methoxy-2-naphthyl copper(i)
US3658858A (en) * 1969-09-30 1972-04-25 Syntex Corp Di-(6-methoxy-2-naphthyl) cadmium
US3683015A (en) * 1970-11-04 1972-08-08 Norman H Dyson Resolution of 2-(6-methoxy-2-naphthyl)propionic
US3988365A (en) * 1973-04-11 1976-10-26 Syntex Corporation Resolution of 2-(6-methoxy-2-napthyl)propionic acid
CH641432A5 (de) * 1978-07-19 1984-02-29 Syntex Pharma Int Verfahren zur aufspaltung von racemischer 6-methoxy-alpha-methyl-2-naphthalinessigsaeure in die optischen antipoden.

Also Published As

Publication number Publication date
ES8207495A1 (es) 1982-10-01
AR229029A1 (es) 1983-05-31
KR830006141A (ko) 1983-09-17
ES504398A0 (es) 1982-10-01
NO155005C (no) 1987-01-28
DE3162513D1 (en) 1984-04-12
ZA814679B (en) 1982-07-28
ATE6499T1 (de) 1984-03-15
JPS6351135B2 (pt) 1988-10-13
NO854414L (no) 1982-02-01
EP0044984A1 (en) 1982-02-03
CA1159833A (en) 1984-01-03
HU185941B (en) 1985-04-28
DK255489D0 (da) 1989-05-25
DK255489A (da) 1989-05-25
IL63313A (en) 1985-01-31
IE51531B1 (en) 1987-01-07
GR74968B (pt) 1984-07-12
KR860001228B1 (ko) 1986-08-30
YU42576B (en) 1988-10-31
US4399284A (en) 1983-08-16
YU129083A (en) 1984-06-30
JPS5764642A (en) 1982-04-19
NO155005B (no) 1986-10-20
EP0044984B1 (en) 1984-03-07
IL63313A0 (en) 1981-10-30
JPS62174037A (ja) 1987-07-30
HU187975B (en) 1986-03-28
PT73452A (en) 1981-08-01
YU186981A (en) 1984-04-30
IT8003492A0 (it) 1980-07-30
IT1154663B (it) 1987-01-21
NO155806B (no) 1987-02-23
DK337781A (da) 1982-01-31
NO812593L (no) 1982-02-01
IE811724L (en) 1982-01-30

Similar Documents

Publication Publication Date Title
DE3166760D1 (en) A process for the optical resolution of a racemic mixture
PT74677B (en) A new process for the preparation of the d-2-(6-methoxy-2-naphthyl)-propionic acid
PT73452B (en) A new process for the optical resolution of mixtures of d-and l-2-(6-methoxy-2-naphtyl)-propionic acids
DE3361551D1 (en) A process for the co-production of carboxylic acids
YU216181A (en) Process for obtaining alcanoic acids with a substituted alpha-aromatic group or esters thereof
PT79527A (en) A new process for the optical resolution of racemic mixtures of alpha-naphtyl-propionic acids
DE3360805D1 (en) Process for the production of a diester of oxalic acid
DE3262568D1 (en) Process for the synthesis of chloroformic acid chloromethyl ester
DE3273209D1 (en) A process for the preparation of thermoplastic polyphosphonatophenyl ester carbonates
DE3166565D1 (en) A process for the synthesis of gamma-unsaturated carboxylic acid esters
DE3261766D1 (en) Process for the continuous esterification of methacrylic acid
DE3160783D1 (en) A process for the preparation of alkoxyalkanoic acids
PT70461A (en) A process for the preparation of basic esters of substituted hydroxycyclohexanecarboylic acids
PT69790A (en) Process for the synthesis of a phenylacetic acid
HRP940612B1 (en) New process for the optical resolution of racemic mixtures of alpha-naphthyl-propionic acids
DE3160034D1 (en) Process for the preparation of sulphonyl carboxylic acids
GB2100733B (en) Process for the resolution of some interphenylene-9-thia-11-oxo-12-azaprostanoic acids
HRP940598B1 (en) New process for the preparation of d-2-(6-methoxy-2-naphthyl)-propionic acid
GB2054570B (en) Process for the prepartation of optically active aryloxyalkanoic acid compounds
YU105380A (en) Process for preparing 2-(4-isobutylphenyl)-propionic acid
HRP950186B1 (en) Process for the preparation of 2-(4-isobutyl-phenyl)-propionic acid
DE3162609D1 (en) Process for the synthesis of gamma-unsaturated carboxylic acid esters
YU42435B (en) Process for preparing 2-(4-isobutylphenyl)-propionic acid
ATA385781A (de) Druckmessdose