PT79527B - A new process for the optical resolution of racemic mixtures of alpha-naphtyl-propionic acids - Google Patents

A new process for the optical resolution of racemic mixtures of alpha-naphtyl-propionic acids

Info

Publication number
PT79527B
PT79527B PT79527A PT7952784A PT79527B PT 79527 B PT79527 B PT 79527B PT 79527 A PT79527 A PT 79527A PT 7952784 A PT7952784 A PT 7952784A PT 79527 B PT79527 B PT 79527B
Authority
PT
Portugal
Prior art keywords
naphtyl
alpha
new process
racemic mixtures
optical resolution
Prior art date
Application number
PT79527A
Other languages
English (en)
Other versions
PT79527A (en
Inventor
Vinzenzo Cannata
Giancarlo Tamerlani
Original Assignee
Alfa Chem Ital
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11110920&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PT79527(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Alfa Chem Ital filed Critical Alfa Chem Ital
Publication of PT79527A publication Critical patent/PT79527A/pt
Publication of PT79527B publication Critical patent/PT79527B/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C231/00—Preparation of carboxylic acid amides
    • C07C231/16—Preparation of optical isomers
    • C07C231/20—Preparation of optical isomers by separation of optical isomers
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/06—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid amides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
PT79527A 1983-11-23 1984-11-21 A new process for the optical resolution of racemic mixtures of alpha-naphtyl-propionic acids PT79527B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8303632A IT1208109B (it) 1983-11-23 1983-11-23 Procedimento per la risoluzione ottica di acidi arilpropionici

Publications (2)

Publication Number Publication Date
PT79527A PT79527A (en) 1984-12-01
PT79527B true PT79527B (en) 1986-09-08

Family

ID=11110920

Family Applications (1)

Application Number Title Priority Date Filing Date
PT79527A PT79527B (en) 1983-11-23 1984-11-21 A new process for the optical resolution of racemic mixtures of alpha-naphtyl-propionic acids

Country Status (22)

Country Link
US (1) US4661628A (pt)
EP (1) EP0143371B2 (pt)
JP (1) JPH0610155B2 (pt)
KR (1) KR900001006B1 (pt)
AR (1) AR241700A1 (pt)
AT (1) ATE32601T1 (pt)
AU (1) AU569351B2 (pt)
CA (1) CA1226296A (pt)
DE (2) DE143371T1 (pt)
DK (1) DK166271C (pt)
ES (1) ES8604093A1 (pt)
FI (1) FI83073C (pt)
GR (1) GR81019B (pt)
HU (2) HU199777B (pt)
IE (1) IE58430B1 (pt)
IL (1) IL73416A (pt)
IT (1) IT1208109B (pt)
NO (1) NO160359C (pt)
NZ (1) NZ210133A (pt)
PT (1) PT79527B (pt)
YU (1) YU42907B (pt)
ZA (1) ZA848639B (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1196334B (it) * 1984-11-22 1988-11-16 Alfa Chem Ital Processo per la risoluzione ottica di miscugli racemi di acidi alfanaftil-propionici
US4912248A (en) * 1987-05-18 1990-03-27 The Procter & Gamble Company Novel anti-inflammatory agents, pharmaceutical compositions and methods for reducing inflammation
AU611699B2 (en) * 1987-07-31 1991-06-20 American Home Products Corporation Naphthalene propionic acid derivatives
EP0338645B1 (en) * 1988-04-21 1996-05-22 Gist-Brocades N.V. Process for producing an optically active 2-arylpropionic acid
IT1271800B (it) * 1994-12-27 1997-06-09 Zambon Spa Processo di preparazione degli enantiomeri dell'acido 2- (2-fluoro- 4-bifenil) propionico
US6500963B2 (en) 2001-02-22 2002-12-31 Boehringer Ingelheim Pharma Kg Process for preparing optically active dihydropyrones
DE10108470A1 (de) * 2001-02-22 2002-09-05 Boehringer Ingelheim Pharma Verfahren zur Herstellung optisch aktiver Dihydropyrone
DE10257761A1 (de) 2002-12-10 2004-06-24 Boehringer Ingelheim Pharma Gmbh & Co. Kg Verfahren zur Herstellung optisch aktiver Dihydropyrone

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3553257A (en) * 1966-09-16 1971-01-05 American Cyanamid Co Preparation of d-2-amino-1-butanol salts
US3904682A (en) * 1967-01-13 1975-09-09 Syntex Corp 2-(6{40 -Methoxy-2{40 -naphthyl)acetic acid
ZA70809B (en) * 1969-03-24 1971-09-29 Syntex Corp Amine salts of 2-(6'-methoxy-2'-naphthyl)propionic acids and processes for the preparation thereof
US3686183A (en) * 1969-03-24 1972-08-22 Syntex Corp Preparation of optical isomers of arylalkylacetic acids
US3651106A (en) * 1969-09-30 1972-03-21 Syntex Corp Preparation of 2-(6-methoxy-2-naphthyl)propionic acid -1-propanol and propanal and intermediates therefor
US3683015A (en) * 1970-11-04 1972-08-08 Norman H Dyson Resolution of 2-(6-methoxy-2-naphthyl)propionic
US3904683A (en) * 1972-08-10 1975-09-09 Syntex Corp Process for the resolution of d- and 1-2-(6-methoxy-2-naphthyl) propionic acid
US4246193A (en) * 1979-11-26 1981-01-20 Syntex Corporation Process for the resolution of d,1 2-(6-methoxy-2-naphthyl)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.
JPS5822139B2 (ja) * 1979-12-28 1983-05-06 日清製粉株式会社 ｄｌ−２−（６−メトキシ−２−ナフチル）−プロピオン酸の光学分割法
IT1154663B (it) * 1980-07-30 1987-01-21 Alfa Chimica Italiana Spa Procedimento per la risoluzione in antipodi ottici di miscele di acidi d- e l-2-(6-metossi-2-naftil)-propionico
FI82680C (fi) * 1981-12-11 1991-04-10 Syntex Pharma Int Framstaellning av - arylalkansyror.
FI831820L (fi) * 1982-05-27 1983-11-28 Syntex Pharma Int Foerfarande foer framstaellning av d-2-(6-metoxi-2-naftyl)-propionsyra och dess farmaceutiskt godtagbara salter samt av nya mellanprodukter anvaenda vid deras framstaellning
IT1203605B (it) * 1985-04-18 1989-02-15 Alfa Chem Ital Processo per la risoluzione ottica di miscigli racemi di acidi e naftilpropionici

Also Published As

Publication number Publication date
ES537876A0 (es) 1986-01-16
IE58430B1 (en) 1993-09-22
HUT36078A (en) 1985-08-28
DK554384D0 (da) 1984-11-22
ES8604093A1 (es) 1986-01-16
IL73416A (en) 1990-09-17
NO160359B (no) 1989-01-02
IE842988L (en) 1985-05-23
FI83073C (fi) 1991-05-27
EP0143371B1 (en) 1988-02-24
YU42907B (en) 1988-12-31
AU3541284A (en) 1985-06-06
FI844592L (fi) 1985-05-24
IT8303632A0 (it) 1983-11-23
NO844647L (no) 1985-05-24
ATE32601T1 (de) 1988-03-15
YU196784A (en) 1987-06-30
DE3469437D1 (en) 1988-03-31
AU569351B2 (en) 1988-01-28
FI83073B (fi) 1991-02-15
JPS60132930A (ja) 1985-07-16
GR81019B (en) 1985-03-22
IL73416A0 (en) 1985-02-28
KR900001006B1 (ko) 1990-02-24
HU199777B (en) 1990-03-28
DE143371T1 (de) 1985-09-26
DK166271C (da) 1993-08-16
JPH0610155B2 (ja) 1994-02-09
DK166271B (da) 1993-03-29
EP0143371A1 (en) 1985-06-05
EP0143371B2 (en) 1995-11-02
FI844592A0 (fi) 1984-11-22
ZA848639B (en) 1985-06-26
HU196582B (en) 1988-12-28
NZ210133A (en) 1988-01-08
PT79527A (en) 1984-12-01
CA1226296A (en) 1987-09-01
IT1208109B (it) 1989-06-06
KR850004092A (ko) 1985-07-01
US4661628A (en) 1987-04-28
DK554384A (da) 1985-05-24
AR241700A1 (es) 1992-11-30
NO160359C (no) 1990-11-08

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Legal Events

Date Code Title Description
PC3A Transfer or assignment

Free format text: 930701 ALFACHEM S.R.L IT

PD3A Change of proprietorship
MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 20050308