http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-H03271275-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_f9ba304908c7187b486482f16a0f6158 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D213-803 |
| filingDate | 1990-03-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a6369f9f0175d0a5d789532dedd0f783 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6bc802448a6aa8cb3e934d43fa1c83b1 |
| publicationDate | 1991-12-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-H03271275-A |
| titleOfInvention | Production of quinolinic acid |
| abstract | PURPOSE: To obtain quinolinic acid useful as an intermediate for pressure- sensitive dyestuffs, agricultural chemicals and drugs from inexpensively obtainable raw materials under a mild condition in high yield by oxidizing quinoline through simultaneous addition of a chlorate and hydrogen peroxide. n CONSTITUTION: Ouinoline is oxidized in an acidic aqueous medium such as sulfuric acid by simultaneous addition of a chlorate and hydrogen peroxide preferably in the presence of a ruthenium compound as a catalyst at 40°C to the reflux temperature of the reaction solution to give the objective quinolinic acid. Industrially inexpensively obtainable sodium chlorate is preferably as the chlorate and the amount of sodium chlorate used is preferably 0.5-0.8mol based on 1mol quinoline. The amount of hydrogen peroxide is 0.5-0.8mol. The amount of the acidic aqueous medium is 3-10 acid equivalents based on 1mol quinoline and the acidic aqueous medium has preferably 3-13 normal acid concentration. Ruthenium trichloride may be cited as the ruthenium compound of the catalyst and the amount of the ruthenium trichloride used is 10 -5 to 10 -2 mol based on 1mol quinoline. n COPYRIGHT: (C)1991,JPO&Japio |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7157583-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0847993-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-112142127-B http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-112142127-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-6900330-B1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/BE-1010804-A3 |
| priorityDate | 1990-03-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 39.