JPS5622745A - Preparation of carboxylic acid - Google Patents
Preparation of carboxylic acidInfo
- Publication number
- JPS5622745A JPS5622745A JP9881579A JP9881579A JPS5622745A JP S5622745 A JPS5622745 A JP S5622745A JP 9881579 A JP9881579 A JP 9881579A JP 9881579 A JP9881579 A JP 9881579A JP S5622745 A JPS5622745 A JP S5622745A
- Authority
- JP
- Japan
- Prior art keywords
- carboxylic acid
- carbon monoxide
- amount
- base
- iii
- 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.)
- Granted
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
PURPOSE: To obtain a carboxylic acid advantageously, by isomerizing a formate in the presence of a catalyst consisting of (a) metal palladium or palladium compound, (b) an alkyl halide or hydrogen halide, and (c) a base, and carbon monoxide.
CONSTITUTION: A formate shown by the formula HCOOR(R is straight-chain or branched-chain alkyl, etc.) is isomerized in the presence of a catalyst consisting of (i) metal palladium or palladium compound, (ii) alkyl halide or halogenated hydrocarbon, and (iii) a base (e.g., an organic base, e.g., amine, amide, phosphine, etc.) and carbon monoxide preferably at 150W250°C and under a carbon monoxide partial pressure of 30W150kg/cm2 to give a carboxylic acid shown by the formula RCOOH in high conversion and high selectivity by using the relatively inexpensive catalyst. Preferably an amount of (i) calculated as Pd is 1W50mg atom per mole of the raw material, and an amount of (ii) is 1W100mol and an amount of (iii) is 1W1000mol per g atom of (i) respectively.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9881579A JPS5622745A (en) | 1979-08-02 | 1979-08-02 | Preparation of carboxylic acid |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9881579A JPS5622745A (en) | 1979-08-02 | 1979-08-02 | Preparation of carboxylic acid |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5622745A true JPS5622745A (en) | 1981-03-03 |
JPS6244534B2 JPS6244534B2 (en) | 1987-09-21 |
Family
ID=14229812
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9881579A Granted JPS5622745A (en) | 1979-08-02 | 1979-08-02 | Preparation of carboxylic acid |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5622745A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3333317A1 (en) * | 1983-09-15 | 1985-03-28 | Chemische Werke Hüls AG, 4370 Marl | CATALYTIC SYSTEM AND METHOD FOR PRODUCING ACETIC ACID BY CATALYTIC REVERSE OF METAL METALYLATE |
JPS6460460A (en) * | 1987-12-24 | 1989-03-07 | Isuzu Motors Ltd | Braking force holding device |
JPH0578274A (en) * | 1991-03-22 | 1993-03-30 | Dalian Kagaku Kogyo Kofun Yugenkoshi | Process for producing acetic acid |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS493513A (en) * | 1972-03-13 | 1974-01-12 | ||
JPS5016773A (en) * | 1973-06-13 | 1975-02-21 |
-
1979
- 1979-08-02 JP JP9881579A patent/JPS5622745A/en active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS493513A (en) * | 1972-03-13 | 1974-01-12 | ||
JPS5016773A (en) * | 1973-06-13 | 1975-02-21 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3333317A1 (en) * | 1983-09-15 | 1985-03-28 | Chemische Werke Hüls AG, 4370 Marl | CATALYTIC SYSTEM AND METHOD FOR PRODUCING ACETIC ACID BY CATALYTIC REVERSE OF METAL METALYLATE |
JPS6460460A (en) * | 1987-12-24 | 1989-03-07 | Isuzu Motors Ltd | Braking force holding device |
JPH0578274A (en) * | 1991-03-22 | 1993-03-30 | Dalian Kagaku Kogyo Kofun Yugenkoshi | Process for producing acetic acid |
Also Published As
Publication number | Publication date |
---|---|
JPS6244534B2 (en) | 1987-09-21 |
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