DE69903398D1 - Verfahren zur Herstellung von 2-Alkyl-3-hydroxybenzoesäuren - Google Patents
Verfahren zur Herstellung von 2-Alkyl-3-hydroxybenzoesäurenInfo
- Publication number
- DE69903398D1 DE69903398D1 DE69903398T DE69903398T DE69903398D1 DE 69903398 D1 DE69903398 D1 DE 69903398D1 DE 69903398 T DE69903398 T DE 69903398T DE 69903398 T DE69903398 T DE 69903398T DE 69903398 D1 DE69903398 D1 DE 69903398D1
- Authority
- DE
- Germany
- Prior art keywords
- alkyl
- preparation
- hydroxybenzoic acids
- hydroxybenzoic
- acids
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
- C07C51/367—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by introduction of functional groups containing oxygen only in singly bound form
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/09—Preparation of carboxylic acids or their salts, halides or anhydrides from carboxylic acid esters or lactones
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
- C07C51/353—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by isomerisation; by change of size of the carbon skeleton
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11131098P | 1998-12-08 | 1998-12-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69903398D1 true DE69903398D1 (de) | 2002-11-14 |
| DE69903398T2 DE69903398T2 (de) | 2003-01-30 |
Family
ID=22337758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69903398T Expired - Fee Related DE69903398T2 (de) | 1998-12-08 | 1999-11-26 | Verfahren zur Herstellung von 2-Alkyl-3-hydroxybenzoesäuren |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6288260B1 (de) |
| EP (1) | EP1008583B1 (de) |
| JP (1) | JP2000169425A (de) |
| KR (1) | KR100652468B1 (de) |
| CN (1) | CN1131197C (de) |
| DE (1) | DE69903398T2 (de) |
| IL (1) | IL133121A (de) |
| TW (1) | TWI233435B (de) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4903956B2 (ja) * | 2000-09-18 | 2012-03-28 | 株式会社クラレ | ７−オキサビシクロ［２．２．１］ヘプト−５−エン−２−カルボン酸誘導体の製造方法 |
| JP5796762B2 (ja) * | 2010-10-18 | 2015-10-21 | 国立大学法人豊橋技術科学大学 | 光学活性なシクロヘキセン誘導体の製造方法 |
| CN102153455B (zh) * | 2011-02-21 | 2013-05-29 | 浙江大学 | 一种合成多取代3-苯基四元环烯酮类化合物的方法 |
| CN102146028B (zh) * | 2011-02-21 | 2013-07-31 | 浙江大学 | 一种合成多取代3-烷基四元环烯酮类化合物的方法 |
| CN103814005B (zh) * | 2011-09-16 | 2017-12-29 | 微麦德斯公司 | 对二甲苯和对苯二甲酸的制造方法 |
| US8889938B2 (en) | 2012-03-15 | 2014-11-18 | Micromidas, Inc. | Methods of producing para-xylene |
| US10392317B2 (en) | 2012-09-14 | 2019-08-27 | Micromidas, Inc. | Methods of producing para-xylene and terephthalic acid |
| CN106694023B (zh) * | 2015-11-12 | 2019-03-05 | 中触媒新材料股份有限公司 | 一种用于合成对(邻)羟基苯甲腈的催化剂及其制备方法 |
| CN109465112B (zh) * | 2018-11-16 | 2021-02-19 | 鞍山市天翔工业科技有限公司 | 一种螯合型两性捕收剂、其制备方法及其和脂肪酸组成的组合物 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5530028A (en) | 1992-11-23 | 1996-06-25 | Rohm And Haas Company | Insecticidal N'-substituted-N,N'-diacylhydrazines |
| US5917079A (en) * | 1996-09-24 | 1999-06-29 | Rohm And Haas Company | Process for synthesizing benzoic acids |
-
1999
- 1999-11-25 IL IL13312199A patent/IL133121A/en not_active IP Right Cessation
- 1999-11-26 DE DE69903398T patent/DE69903398T2/de not_active Expired - Fee Related
- 1999-11-26 EP EP99309476A patent/EP1008583B1/de not_active Expired - Lifetime
- 1999-12-01 KR KR1019990054079A patent/KR100652468B1/ko not_active IP Right Cessation
- 1999-12-03 CN CN99125574A patent/CN1131197C/zh not_active Expired - Fee Related
- 1999-12-07 US US09/455,996 patent/US6288260B1/en not_active Expired - Fee Related
- 1999-12-08 JP JP11348687A patent/JP2000169425A/ja active Pending
- 1999-12-08 TW TW088121490A patent/TWI233435B/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE69903398T2 (de) | 2003-01-30 |
| EP1008583B1 (de) | 2002-10-09 |
| US6288260B1 (en) | 2001-09-11 |
| TWI233435B (en) | 2005-06-01 |
| IL133121A (en) | 2004-06-20 |
| JP2000169425A (ja) | 2000-06-20 |
| CN1131197C (zh) | 2003-12-17 |
| CN1256264A (zh) | 2000-06-14 |
| IL133121A0 (en) | 2001-03-19 |
| KR20000047809A (ko) | 2000-07-25 |
| EP1008583A1 (de) | 2000-06-14 |
| KR100652468B1 (ko) | 2006-12-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |