GB460282A - Process for the preparation of ortho-hydroxycarboxylates and ortho-hydroxycarboxylic acids - Google Patents
Process for the preparation of ortho-hydroxycarboxylates and ortho-hydroxycarboxylic acidsInfo
- Publication number
- GB460282A GB460282A GB2129135A GB2129135A GB460282A GB 460282 A GB460282 A GB 460282A GB 2129135 A GB2129135 A GB 2129135A GB 2129135 A GB2129135 A GB 2129135A GB 460282 A GB460282 A GB 460282A
- Authority
- GB
- United Kingdom
- Prior art keywords
- phenolate
- potassium
- ortho
- hydroxycarboxylates
- sodium
- 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
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/15—Preparation of carboxylic acids or their salts, halides or anhydrides by reaction of organic compounds with carbon dioxide, e.g. Kolbe-Schmitt synthesis
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Aromatic o - hydroxycarboxylates and o-hydroxycarboxylic acids are prepared by passing carbon dioxide into a suspension of a dry, pulverized phenolate (cresolate or naphtholate) in an indifferent liquid medium having a boiling point above 100 DEG C., the phenolate being potassium phenolate alone or a mixture of potassium phenolate and sodium phenolate, or sodium phenolate mixed with a potassium salt other than the phenolate. The phenolates are prepared by mixing molecular quantities of alkali hydroxides and phenol diluted with an indifferent hydrocarbon and distilling till no more moisture comes over. Examples describe the use of sodium phenolate mixed with potassium phenolate, chloride, or carbonate in heavy benzol and of potassium o-cresolate and b -naphtholate in tetrahydronaphthalene. A small pressure may be used. The Provisional Specification refers to the intermediate production of the phenyl carbonate below 100 DEG C. Specification 384,619 is referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2129135A GB460282A (en) | 1935-07-26 | 1935-07-26 | Process for the preparation of ortho-hydroxycarboxylates and ortho-hydroxycarboxylic acids |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2129135A GB460282A (en) | 1935-07-26 | 1935-07-26 | Process for the preparation of ortho-hydroxycarboxylates and ortho-hydroxycarboxylic acids |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB460282A true GB460282A (en) | 1937-01-25 |
Family
ID=10160396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2129135A Expired GB460282A (en) | 1935-07-26 | 1935-07-26 | Process for the preparation of ortho-hydroxycarboxylates and ortho-hydroxycarboxylic acids |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB460282A (en) |
-
1935
- 1935-07-26 GB GB2129135A patent/GB460282A/en not_active Expired
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