SU1807686A1 - Method of electrochemical dechlorination of polychlorinepyridine carboxylic acids - Google Patents
Method of electrochemical dechlorination of polychlorinepyridine carboxylic acidsInfo
- Publication number
- SU1807686A1 SU1807686A1 SU4803242/04A SU4803242A SU1807686A1 SU 1807686 A1 SU1807686 A1 SU 1807686A1 SU 4803242/04 A SU4803242/04 A SU 4803242/04A SU 4803242 A SU4803242 A SU 4803242A SU 1807686 A1 SU1807686 A1 SU 1807686A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- polychlorinepyridine
- carboxylic acids
- mass
- electrochemical dechlorination
- cathode
- Prior art date
Links
Landscapes
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
FIELD: organic chemistry. SUBSTANCE: method involves electrochemical reduction of polychlorinepyridine carboxylic acid at normal temperature within 10 h. The process takes place in aqueous- alkali medium on Ag-Zn-Cu cathode; potential difference being 1.7- 207 V, current density being 250-20 A/m. The process is followed by neutralization of reaction mass with the help of concentrated HCl, by extraction and by crystallization of desired product. Above mentioned cathode contains, mass % : Ag 20-70, Zn 10-40, Cu up to 100. Thus mono-, di- and trichlorinepyridine carboxylic acids are prepared, their yield being 82-93% . EFFECT: simplifies the process, decreases expense of silver. 4 tbl
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU4803242/04A SU1807686A1 (en) | 1990-01-23 | 1990-01-23 | Method of electrochemical dechlorination of polychlorinepyridine carboxylic acids |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU4803242/04A SU1807686A1 (en) | 1990-01-23 | 1990-01-23 | Method of electrochemical dechlorination of polychlorinepyridine carboxylic acids |
Publications (1)
Publication Number | Publication Date |
---|---|
SU1807686A1 true SU1807686A1 (en) | 1994-05-15 |
Family
ID=60538324
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU4803242/04A SU1807686A1 (en) | 1990-01-23 | 1990-01-23 | Method of electrochemical dechlorination of polychlorinepyridine carboxylic acids |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU1807686A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7666293B2 (en) | 2007-10-04 | 2010-02-23 | Dow Agrosciences Llc | Electrochemical reduction of halogenated 4-aminopicolinic acids |
CN107385467A (en) * | 2017-07-24 | 2017-11-24 | 连云港埃森化学有限公司 | A kind of electrochemical method for synthesizing using yellow gold as 3,6 lontrel of negative electrode |
-
1990
- 1990-01-23 SU SU4803242/04A patent/SU1807686A1/en active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7666293B2 (en) | 2007-10-04 | 2010-02-23 | Dow Agrosciences Llc | Electrochemical reduction of halogenated 4-aminopicolinic acids |
CN107385467A (en) * | 2017-07-24 | 2017-11-24 | 连云港埃森化学有限公司 | A kind of electrochemical method for synthesizing using yellow gold as 3,6 lontrel of negative electrode |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IE45306L (en) | Recovery of zinc and manganese dioxide. | |
SU1807686A1 (en) | Method of electrochemical dechlorination of polychlorinepyridine carboxylic acids | |
AU4671685A (en) | Separation process with recovery of proteins & fats from substances of animal origin, organic substances or refluent from working organic substances & plant to carry out the | |
JPS5225733A (en) | Process for preparation of benzaldehydes | |
JPS53119810A (en) | Preparation of aldehyde chloride | |
EP0152174A3 (en) | Selective hydrogenation of benzene di- and tri-methanol compounds | |
JPS5519204A (en) | Production of inorganic acid salt of guanidine | |
JPS52128804A (en) | Electrolytic recovery of metal | |
JPS5748949A (en) | Preparation of ethylenediaminetetraacetic acid alkali metal salt | |
JPS5793924A (en) | Preparation of adipic acid derivative | |
JPS6486884A (en) | Production of unsaturated aldehyde utilizing enzyme from sea algae | |
JPS57130963A (en) | Preparation of 2,3-dichloropropionitrile | |
JPS54110920A (en) | Recovery of silver from silver-containing sludge | |
Misztal | Application of the High-Temperature Crystallization in the Hydroelectrometallurgy of Zinc to Remove Magnesium.(Retroactive Coverage) | |
EP0067529A3 (en) | Method of inhibiting formation of and breaking of mercury butter in chlor-alkali cells | |
JPS6456692A (en) | Production of sugar glycerol | |
JPS5422317A (en) | Electrolitic preparation of sebacic acid dimethyl ester | |
JPS57154156A (en) | Preparation of 2,3-dichloropropionitrile | |
JPS5594486A (en) | Electrochemical production of diphenyl acetates | |
JPS51149222A (en) | Preparation of highly purified leucine | |
JPS5537111A (en) | Treatment of microbial cell | |
JPS5520745A (en) | Production of 4-hydroxy-2,4,6-trialkylcyclohexa-2,5- dienone | |
JPS5522A (en) | Production of 2-hydroxy-6-oxo-6-phenylhexanoic acid | |
JPS57155399A (en) | Removing method of antimony from copper electrolytic solution | |
CA2047728A1 (en) | Process for recovering germanium |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
REG | Reference to a code of a succession state |
Ref country code: RU Ref legal event code: MM4A Effective date: 20060124 |