GB1341608A - Process for isolating naphthalene-2,6-dicarboxylic acid - Google Patents
Process for isolating naphthalene-2,6-dicarboxylic acidInfo
- Publication number
- GB1341608A GB1341608A GB1401871A GB1401871A GB1341608A GB 1341608 A GB1341608 A GB 1341608A GB 1401871 A GB1401871 A GB 1401871A GB 1401871 A GB1401871 A GB 1401871A GB 1341608 A GB1341608 A GB 1341608A
- Authority
- GB
- United Kingdom
- Prior art keywords
- naphthalene
- dicarboxylic acid
- acids
- aqueous
- reaction mixture
- 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
- RXOHFPCZGPKIRD-UHFFFAOYSA-N naphthalene-2,6-dicarboxylic acid Chemical compound C1=C(C(O)=O)C=CC2=CC(C(=O)O)=CC=C21 RXOHFPCZGPKIRD-UHFFFAOYSA-N 0.000 title abstract 6
- 238000000034 method Methods 0.000 title abstract 2
- 239000002253 acid Substances 0.000 abstract 6
- 150000007513 acids Chemical class 0.000 abstract 6
- 239000004285 Potassium sulphite Substances 0.000 abstract 3
- BHZRJJOHZFYXTO-UHFFFAOYSA-L potassium sulfite Chemical compound [K+].[K+].[O-]S([O-])=O BHZRJJOHZFYXTO-UHFFFAOYSA-L 0.000 abstract 3
- 235000019252 potassium sulphite Nutrition 0.000 abstract 3
- 239000011541 reaction mixture Substances 0.000 abstract 3
- LNETULKMXZVUST-UHFFFAOYSA-N 1-naphthoic acid Chemical class C1=CC=C2C(C(=O)O)=CC=CC2=C1 LNETULKMXZVUST-UHFFFAOYSA-N 0.000 abstract 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract 2
- 238000001914 filtration Methods 0.000 abstract 1
- 238000005342 ion exchange Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000002798 polar solvent Substances 0.000 abstract 1
- XAEFZNCEHLXOMS-UHFFFAOYSA-M potassium benzoate Chemical compound [K+].[O-]C(=O)C1=CC=CC=C1 XAEFZNCEHLXOMS-UHFFFAOYSA-M 0.000 abstract 1
- 159000000001 potassium salts Chemical class 0.000 abstract 1
- 235000010269 sulphur dioxide Nutrition 0.000 abstract 1
- 239000004291 sulphur dioxide Substances 0.000 abstract 1
Classifications
-
- 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
- C07C51/48—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/02—Preparation of carboxylic acids or their salts, halides or anhydrides from salts of carboxylic acids
-
- 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
- C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US4074170A | 1970-05-26 | 1970-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1341608A true GB1341608A (en) | 1973-12-25 |
Family
ID=21912682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1401871A Expired GB1341608A (en) | 1970-05-26 | 1971-05-10 | Process for isolating naphthalene-2,6-dicarboxylic acid |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE767630A (enExample) |
| BR (1) | BR7103182D0 (enExample) |
| DE (1) | DE2123622A1 (enExample) |
| FR (1) | FR2093688A5 (enExample) |
| GB (1) | GB1341608A (enExample) |
| NL (1) | NL7106844A (enExample) |
-
1971
- 1971-05-10 GB GB1401871A patent/GB1341608A/en not_active Expired
- 1971-05-12 DE DE19712123622 patent/DE2123622A1/de active Pending
- 1971-05-19 NL NL7106844A patent/NL7106844A/xx unknown
- 1971-05-25 BR BR318271A patent/BR7103182D0/pt unknown
- 1971-05-25 FR FR7118805A patent/FR2093688A5/fr not_active Expired
- 1971-05-25 BE BE767630A patent/BE767630A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE767630A (fr) | 1971-11-25 |
| DE2123622A1 (enExample) | 1971-12-09 |
| NL7106844A (enExample) | 1971-11-30 |
| BR7103182D0 (pt) | 1973-05-03 |
| FR2093688A5 (enExample) | 1972-01-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |