GB914428A - Process for the production of ª-, ª--dichloropropionic acid - Google Patents
Process for the production of ª-, ª--dichloropropionic acidInfo
- Publication number
- GB914428A GB914428A GB3295161A GB3295161A GB914428A GB 914428 A GB914428 A GB 914428A GB 3295161 A GB3295161 A GB 3295161A GB 3295161 A GB3295161 A GB 3295161A GB 914428 A GB914428 A GB 914428A
- Authority
- GB
- United Kingdom
- Prior art keywords
- acid
- chlorinating
- dichloropropionic
- production
- dichloropropionic acid
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0231—Halogen-containing compounds
- B01J31/0232—Halogen-containing compounds also containing elements or functional groups covered by B01J31/0201 - B01J31/0228
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0215—Sulfur-containing compounds
- B01J31/0222—Sulfur-containing compounds comprising sulfonyl groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0234—Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds
- B01J31/0235—Nitrogen containing compounds
- B01J31/0237—Amines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/0234—Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds
- B01J31/0271—Nitrogen-, phosphorus-, arsenic- or antimony-containing compounds also containing elements or functional groups covered by B01J31/0201 - B01J31/0231
-
- 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
- C07C51/363—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by introduction of halogen; by substitution of halogen atoms by other halogen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C53/00—Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen
- C07C53/15—Saturated compounds having only one carboxyl group bound to an acyclic carbon atom or hydrogen containing halogen
- C07C53/19—Acids containing three or more carbon atoms
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
a ,a -Dichloropropionic acid is prepared by chlorinating a -chloropropionic acid at 160 DEG -180 DEG C., or chlorinating propionic acid at about 120 DEG C. to form a -chloropropionic acid and further chlorinating as above, in the presence of a compound RNHSO2X, where R is hydrogen or alkyl and X is hydroxy, alkoxy or a halogen. Specified catalysts are sulphamic acid, its acid chloride and its esters, e.g. H2NSO3CH3 and C2H5NHSO2Cl; these may be formed in situ, e.g. the last from ethylamine and sulphuryl chloride. Other organic additives which boil above a ,a -dichloropropionic acid and are soluble in the chlorination mixture may be present, e.g. aliphatic or aromatic sulphochlorides.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEB59488A DE1133710B (en) | 1960-09-23 | 1960-09-23 | Process for the production of ª ‡, ª ‡ -Dichloropropionic acid |
Publications (1)
Publication Number | Publication Date |
---|---|
GB914428A true GB914428A (en) | 1963-01-02 |
Family
ID=6972478
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB3295161A Expired GB914428A (en) | 1960-09-23 | 1961-09-14 | Process for the production of ª-, ª--dichloropropionic acid |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE1133710B (en) |
GB (1) | GB914428A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3452089A (en) * | 1966-06-09 | 1969-06-24 | Michigan Chem Corp | Production of alpha,alpha-dihalo-aliphatic acids |
-
1960
- 1960-09-23 DE DEB59488A patent/DE1133710B/en active Pending
-
1961
- 1961-09-14 GB GB3295161A patent/GB914428A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3452089A (en) * | 1966-06-09 | 1969-06-24 | Michigan Chem Corp | Production of alpha,alpha-dihalo-aliphatic acids |
Also Published As
Publication number | Publication date |
---|---|
DE1133710B (en) | 1962-07-26 |
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