IN171007B - - Google Patents
Info
- Publication number
- IN171007B IN171007B IN1067/CAL/88A IN1067CA1988A IN171007B IN 171007 B IN171007 B IN 171007B IN 1067CA1988 A IN1067CA1988 A IN 1067CA1988A IN 171007 B IN171007 B IN 171007B
- Authority
- IN
- India
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C62/00—Compounds having carboxyl groups bound to carbon atoms of rings other than six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
- C07C62/02—Saturated compounds containing hydroxy or O-metal groups
- C07C62/06—Saturated compounds containing hydroxy or O-metal groups polycyclic
-
- 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
- C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C65/00—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
- C07C65/01—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups containing hydroxy or O-metal groups
- C07C65/105—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups containing hydroxy or O-metal groups polycyclic
- C07C65/11—Compounds having carboxyl groups bound to carbon atoms of six—membered aromatic rings and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups containing hydroxy or O-metal groups polycyclic with carboxyl groups on a condensed ring system containing two rings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3800989A DE3800989A1 (de) | 1988-01-15 | 1988-01-15 | Verfahren zur reinigung von 2-hydroxy-naphthalin-6-carbonsaeure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN171007B true IN171007B (ar) | 1992-06-27 |
Family
ID=6345329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN1067/CAL/88A IN171007B (ar) | 1988-01-15 | 1988-12-27 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4916257A (ar) |
| EP (1) | EP0325925B1 (ar) |
| JP (1) | JP2695223B2 (ar) |
| KR (1) | KR970006885B1 (ar) |
| BR (1) | BR8900146A (ar) |
| CA (1) | CA1304402C (ar) |
| DE (2) | DE3800989A1 (ar) |
| IN (1) | IN171007B (ar) |
| MX (1) | MX169972B (ar) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3815929A1 (de) * | 1988-05-10 | 1989-11-23 | Hoechst Ag | Dioxan-addukt der 2-hydroxy-naphthalin-6-carbonsaeure und verfahren zu seiner herstellung |
| DE3842712A1 (de) * | 1988-12-19 | 1990-07-05 | Hoechst Ag | Dioxan-addukte aromatischer meta- oder para-hydroxycarbonsaeuren und verfahren zu ihrer herstellung |
| CN1064668C (zh) * | 1995-11-13 | 2001-04-18 | 株式会社上野制药应用研究所 | 羟基萘羧酸类的分离纯化方法 |
| JPH10120624A (ja) * | 1996-10-18 | 1998-05-12 | Sugai Kagaku Kogyo Kk | ２−ヒドロキシナフタレン−６−カルボン酸の精製方法 |
| JPH10265434A (ja) * | 1997-03-21 | 1998-10-06 | Ueno Seiyaku Oyo Kenkyusho:Kk | ヒドロキシナフタレンカルボン酸類のアルカリ金属塩の分離精製法 |
| TW527451B (en) * | 1999-08-24 | 2003-04-11 | Ueno Seiyaku Oyo Kenkyujo Kk | Columnar crystals of 6-hydroxy-2-naphthoic acid and process for manufacturing the same |
| CN102173988B (zh) * | 2011-03-25 | 2013-05-01 | 衢州英特高分子材料有限公司 | 一种6-羟基-2-萘甲酸的纯化方法 |
| CN102659576A (zh) * | 2012-05-02 | 2012-09-12 | 苏州思睿屹新材料股份有限公司 | 2-羟基-6-萘甲酸的精制方法 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1593816A (en) * | 1924-08-16 | 1926-07-27 | Grasselli Dyestuffs Corp | Making 2-hydroxy-naphthalene-6-carboxylic acid |
| DE436524C (de) * | 1924-08-17 | 1926-11-03 | I G Farbenindustrie Akt Ges | Verfahren zur Darstellung von 2-Oxynaphthalin-6-carbonsaeure |
| GB257815A (en) * | 1926-01-28 | 1926-09-09 | Ig Farbenindustrie Ag | Manufacture of 2-oxynaphthalene-6-carboxylic acid |
| US2132356A (en) * | 1937-04-29 | 1938-10-04 | Calco Chemical Co Inc | Carboxylation of alkali metal salts of phenols |
| US2287864A (en) * | 1940-10-28 | 1942-06-30 | Heyden Chemical Corp | Beta oxy naphthoic acid and process for preparing the same |
| DE2332064C2 (de) * | 1973-06-23 | 1983-11-10 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Herstellung von 2-Hydroxy-naphthalin-3-carbonsäure |
| CH599096A5 (ar) * | 1974-06-04 | 1978-05-12 | Hoechst Ag | |
| FR2446450A1 (fr) * | 1979-01-09 | 1980-08-08 | Bel Hamri Bernard | Capteur solaire prismatique |
| FR2466450A1 (fr) * | 1979-10-01 | 1981-04-10 | Fabre Sa Pierre | Procede industriel de purification et d'obtention d'itanoxone de qualite pharmaceutique |
| US4287357A (en) * | 1980-03-06 | 1981-09-01 | American Cyanamid Company | Process for the production of 6-hydroxy-2-naphthoic acid |
| US4374262A (en) * | 1980-10-06 | 1983-02-15 | Celanese Corporation | Preparation of hydroxy aromatic carboxylic acids and ester derivatives thereof |
| JPS5795939A (en) * | 1980-12-08 | 1982-06-15 | Ueno Seiyaku Oyo Kenkyusho:Kk | Preparation of 2-hydroxynaphthalene-6-carboxylic acid |
| JPS5935911B2 (ja) * | 1981-12-07 | 1984-08-31 | 株式会社上野製薬応用研究所 | ２−ヒドロキシナフタリン−６−カルボン酸の選択的製法 |
| US4393191A (en) * | 1982-03-08 | 1983-07-12 | Celanese Corporation | Preparation of aromatic polyesters by direct self-condensation of aromatic hydroxy acids |
| JPS61257942A (ja) * | 1985-05-10 | 1986-11-15 | Kureha Chem Ind Co Ltd | ６−ヒドロキシ−２−ナフトエ酸の製造方法 |
-
1988
- 1988-01-15 DE DE3800989A patent/DE3800989A1/de not_active Withdrawn
- 1988-12-27 IN IN1067/CAL/88A patent/IN171007B/en unknown
-
1989
- 1989-01-07 EP EP89100236A patent/EP0325925B1/de not_active Expired - Lifetime
- 1989-01-07 DE DE8989100236T patent/DE58900223D1/de not_active Expired - Fee Related
- 1989-01-12 US US07/296,441 patent/US4916257A/en not_active Expired - Fee Related
- 1989-01-13 BR BR898900146A patent/BR8900146A/pt unknown
- 1989-01-13 KR KR1019890000291A patent/KR970006885B1/ko not_active IP Right Cessation
- 1989-01-13 CA CA000588138A patent/CA1304402C/en not_active Expired - Fee Related
- 1989-01-13 MX MX014551A patent/MX169972B/es unknown
- 1989-01-13 JP JP1005044A patent/JP2695223B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP0325925B1 (de) | 1991-08-21 |
| EP0325925A1 (de) | 1989-08-02 |
| CA1304402C (en) | 1992-06-30 |
| US4916257A (en) | 1990-04-10 |
| MX169972B (es) | 1993-08-03 |
| BR8900146A (pt) | 1989-09-12 |
| DE3800989A1 (de) | 1989-07-27 |
| DE58900223D1 (de) | 1991-09-26 |
| KR890011817A (ko) | 1989-08-22 |
| KR970006885B1 (ko) | 1997-04-30 |
| JPH01216955A (ja) | 1989-08-30 |
| JP2695223B2 (ja) | 1997-12-24 |