FR2097667A5 - Cyclopentanetetracarboxylic acid - from exo-5-norbornene 2,3-dicarboxylic acid anhydride - Google Patents
Cyclopentanetetracarboxylic acid - from exo-5-norbornene 2,3-dicarboxylic acid anhydrideInfo
- Publication number
- FR2097667A5 FR2097667A5 FR7026391A FR7026391A FR2097667A5 FR 2097667 A5 FR2097667 A5 FR 2097667A5 FR 7026391 A FR7026391 A FR 7026391A FR 7026391 A FR7026391 A FR 7026391A FR 2097667 A5 FR2097667 A5 FR 2097667A5
- Authority
- FR
- France
- Prior art keywords
- exo
- norbornene
- anhydride
- dicarboxylic acid
- cyclopentanetetracarboxylic
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C61/00—Compounds having carboxyl groups bound to carbon atoms of rings other than six-membered aromatic rings
- C07C61/06—Saturated compounds having a carboxyl group bound to a five-membered ring
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
5-Norbornene 2,3-dicarboxylic acid anhydride (pref. contg. 97% exo-isomer) is oxidised with 50-70 wt. % nitric acid for 2-5 hr. The ratio nitric acid to anhydride is 8:18:1. The product is the isomer of m.pt. 158 degrees C. The product is used to prepare water-soluble alkyd resins, stable in electrodeposition media. Higher yields are obtd. in shorter times.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7026391A FR2097667A5 (en) | 1970-07-17 | 1970-07-17 | Cyclopentanetetracarboxylic acid - from exo-5-norbornene 2,3-dicarboxylic acid anhydride |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7026391A FR2097667A5 (en) | 1970-07-17 | 1970-07-17 | Cyclopentanetetracarboxylic acid - from exo-5-norbornene 2,3-dicarboxylic acid anhydride |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2097667A5 true FR2097667A5 (en) | 1972-03-03 |
Family
ID=9058820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7026391A Expired FR2097667A5 (en) | 1970-07-17 | 1970-07-17 | Cyclopentanetetracarboxylic acid - from exo-5-norbornene 2,3-dicarboxylic acid anhydride |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2097667A5 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005023746A1 (en) | 2003-09-03 | 2005-03-17 | Hitachi Chemical Co., Ltd. | Method of separating stereoisomers of norbornene, dicarboxylic acid having norbornane structure, or derivative thereof |
-
1970
- 1970-07-17 FR FR7026391A patent/FR2097667A5/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005023746A1 (en) | 2003-09-03 | 2005-03-17 | Hitachi Chemical Co., Ltd. | Method of separating stereoisomers of norbornene, dicarboxylic acid having norbornane structure, or derivative thereof |
EP1669342A1 (en) * | 2003-09-03 | 2006-06-14 | Hitachi Chemical Co., Ltd. | Method of separating stereoisomers of norbornene, dicarboxylic acid having norbornane structure, or derivative thereof |
EP1669342A4 (en) * | 2003-09-03 | 2006-11-29 | Hitachi Chemical Co Ltd | Method of separating stereoisomers of norbornene, dicarboxylic acid having norbornane structure, or derivative thereof |
US7700802B2 (en) | 2003-09-03 | 2010-04-20 | Hitachi Chemical Co., Ltd. | Method of separating stereoisomers of dicarboxylic acid having norbornene or norbornane structure, or derivative thereof |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |