ZA853411B - Process for preparing naproxen - Google Patents

Process for preparing naproxen

Info

Publication number: ZA853411B
Authority: ZA; South Africa
Prior art keywords: halo; chloro; methoxy; propan; naphthyl
Prior art date: 1984-05-10

Application number

ZA853411A

Other languages

English (en)

Inventor

Oreste Piccolo

Ermanno Valoti

Giuseppina Visentin

Original Assignee

Blaschim 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.)

1984-05-10

Filing date

1985-05-06

Publication date

1986-03-26

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=11173137&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA853411(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1985-05-06 Application filed by Blaschim Spa filed Critical Blaschim Spa

1986-03-26 Publication of ZA853411B publication Critical patent/ZA853411B/xx

Links

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/45—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation
- C07C45/46—Friedel-Crafts reactions
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C69/00—Esters of carboxylic acids; Esters of carbonic or haloformic acids
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/76—Ketones containing a keto group bound to a six-membered aromatic ring
- C07C49/84—Ketones containing a keto group bound to a six-membered aromatic ring containing ether groups, groups, groups, or groups
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
- C07C67/333—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Oil, Petroleum & Natural Gas (AREA)
Chemical Kinetics & Catalysis (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Crystals, And After-Treatments Of Crystals (AREA)
Pyrane Compounds (AREA)
Compounds Of Unknown Constitution (AREA)
Magnetic Resonance Imaging Apparatus (AREA)
Diaphragms For Electromechanical Transducers (AREA)
Ultra Sonic Daignosis Equipment (AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)

ZA853411A 1984-05-10 1985-05-06 Process for preparing naproxen ZA853411B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT20859/84A IT1174084B (it)	1984-05-10	1984-05-10	Procentimento per preparare il naproxen

Publications (1)

Publication Number	Publication Date
ZA853411B true ZA853411B (en)	1986-03-26

Family

ID=11173137

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA853411A ZA853411B (en)	1984-05-10	1985-05-06	Process for preparing naproxen

Country Status (16)

Country	Link
US (2)	US4736061A (da)
EP (1)	EP0163338B1 (da)
JP (1)	JPS6193135A (da)
KR (1)	KR850008485A (da)
AT (1)	ATE29486T1 (da)
AU (1)	AU579368B2 (da)
CA (1)	CA1238341A (da)
DE (1)	DE3560576D1 (da)
DK (1)	DK205685A (da)
ES (1)	ES8603373A1 (da)
FI (1)	FI851847A7 (da)
IL (1)	IL75130A (da)
IT (1)	IT1174084B (da)
NO (1)	NO160437C (da)
PT (1)	PT80411B (da)
ZA (1)	ZA853411B (da)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT1221916B (it) *	1987-03-13	1990-08-23	Blaschim Spa	Metodo migliorato epr acilare un derivato del naftalene
IT1227537B (it) *	1987-07-28	1991-04-12	Zambon Spa	Processo per la preparazione dell'acido s(+)-2-(6-metossi-2-naftil)- propionico
IT1235649B (it) *	1988-12-22	1992-09-18	Zambon Spa	Processo per la preparazione del 2-metossi-6-propionil-naftalene per acilazione del 2-metossi-naftalene
US5360938A (en) *	1991-08-21	1994-11-01	Union Carbide Chemicals & Plastics Technology Corporation	Asymmetric syntheses
IT1251958B (it) *	1991-10-18	1995-05-27	Zambon Spa	Processo per la dealogenazione di derivati del naftalene
US6080888A (en) *	1997-01-08	2000-06-27	Albemarle Corporation	Preparation of olefinic compounds and carboxylic derivatives thereof
US5792886A (en) *	1997-01-08	1998-08-11	Albemarle Corporation	Production of racemic 2-(6-methoxy-2-naphthyl) propionic acid of precursors thereof
US6096920A (en) *	1997-01-08	2000-08-01	Albemarle Corporation	Preparation of carboxylic compounds and their derivatives
US5859292A (en) *	1997-12-11	1999-01-12	Albemarle Corporation	Preparation of high purity sodium (S)-2(6-methoxy-2-naphthyl)propionate
US5874614A (en) *	1997-12-11	1999-02-23	Albemarle Corporation	Sodium (S)-2-(6-methoxy-2-naphthyl)propionate monohydrate
SK16482002A3 (sk) *	2002-11-20	2004-06-08	Slovakofarma, A. S.	Spôsob prípravy substituovaných derivátov 2-aryl alkánových kyselín
CN109761803A (zh) *	2019-01-29	2019-05-17	湖南九典制药股份有限公司	一种萘普生关键中间体的合成方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3884950A (en) *	1973-12-13	1975-05-20	Toray Silicone Co	Organopolysiloxane composition having improved heat stability
US4107439A (en) *	1976-06-16	1978-08-15	The Upjohn Company	Process for preparing arylalkanoic acid derivatives
IE50897B1 (en) *	1980-02-26	1986-08-06	Blaschim Spa	Process for preparing esters of alkanoic acids via rearrangement of alpha-haloketals
IT1168387B (it) *	1981-04-01	1987-05-20	Alfa Farmaceutici Spa	Procedimento per la preparazione dell'acido 2-(6-metossi-2-naftil)-propionico
JPS5810525A (ja) *	1981-06-15	1983-01-21	Sagami Chem Res Center	光学活性な１−芳香族基置換−１−アルカノン類の製造方法
IT1167476B (it) *	1981-07-23	1987-05-13	Blasinachim Spa	Procedimento per preparare acidi alcanoici o i loro esteri mediante riarrangiamento di alfa-alogeno-chetoni in mezzo protico e in presenza di un sale di un metallo non nobile
FI82680C (fi) *	1981-12-11	1991-04-10	Syntex Pharma Int	Framstaellning av - arylalkansyror.
US4510321A (en) *	1983-01-31	1985-04-09	Allied Corporation	Autoxidative cleavage of ketones in the presence of pulverized alkali metal hydroxide
ATE23987T1 (de) *	1984-02-02	1986-12-15	Zambon Spa	Verfahren zur herstellung von alpharylalkans\|uren.
IT1173369B (it) *	1984-02-24	1987-06-24	Zambon Spa	Processo per la preparazione di acidi alfa-arilalcanoici otticamente attivi

1984
- 1984-05-10 IT IT20859/84A patent/IT1174084B/it active
1985
- 1985-05-01 EP EP85200682A patent/EP0163338B1/en not_active Expired
- 1985-05-01 DE DE8585200682T patent/DE3560576D1/de not_active Expired
- 1985-05-01 AT AT85200682T patent/ATE29486T1/de not_active IP Right Cessation
- 1985-05-06 ZA ZA853411A patent/ZA853411B/xx unknown
- 1985-05-06 AU AU41998/85A patent/AU579368B2/en not_active Ceased
- 1985-05-08 PT PT80411A patent/PT80411B/pt not_active IP Right Cessation
- 1985-05-08 IL IL75130A patent/IL75130A/xx unknown
- 1985-05-08 NO NO851828A patent/NO160437C/no unknown
- 1985-05-08 ES ES542917A patent/ES8603373A1/es not_active Expired
- 1985-05-08 CA CA000481094A patent/CA1238341A/en not_active Expired
- 1985-05-09 DK DK205685A patent/DK205685A/da not_active Application Discontinuation
- 1985-05-09 FI FI851847A patent/FI851847A7/fi not_active Application Discontinuation
- 1985-05-10 KR KR1019850003178A patent/KR850008485A/ko not_active Ceased
- 1985-05-10 JP JP60098156A patent/JPS6193135A/ja active Pending
- 1985-05-10 US US06/732,735 patent/US4736061A/en not_active Expired - Fee Related
1987
- 1987-12-23 US US07/137,366 patent/US4864063A/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
IL75130A (en)	1988-07-31
NO160437B (no)	1989-01-09
US4736061A (en)	1988-04-05
US4864063A (en)	1989-09-05
NO160437C (no)	1989-04-19
DE3560576D1 (en)	1987-10-15
IT8420859A0 (it)	1984-05-10
ES542917A0 (es)	1986-01-01
DK205685A (da)	1985-11-11
IT1174084B (it)	1987-07-01
CA1238341A (en)	1988-06-21
KR850008485A (ko)	1985-12-18
JPS6193135A (ja)	1986-05-12
AU4199885A (en)	1985-11-14
ES8603373A1 (es)	1986-01-01
IT8420859A1 (it)	1985-11-10
EP0163338A1 (en)	1985-12-04
IL75130A0 (en)	1985-09-29
DK205685D0 (da)	1985-05-09
FI851847L (fi)	1985-11-11
EP0163338B1 (en)	1987-09-09
FI851847A7 (fi)	1985-11-11
AU579368B2 (en)	1988-11-24
PT80411B (en)	1986-12-15
FI851847A0 (fi)	1985-05-09
NO851828L (no)	1985-11-11
ATE29486T1 (de)	1987-09-15
PT80411A (en)	1985-06-01

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