http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-S63139169-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_2f8cfa5aee4410611b5c562275c9f8e3 |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-52 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D213-61 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J27-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J27-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00 |
| filingDate | 1986-12-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_17510d2a269533f88632f33ced2c83a0 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_aaf7a9a1379d2ef5e83888b68539d442 |
| publicationDate | 1988-06-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-S63139169-A |
| titleOfInvention | Production of 2,3,5,6-tetrachloropyridine |
| abstract | PURPOSE: To efficiently obtain the titled material useful as an intermediate of insecticide in high purity, by reacting a mixture of 2-chloropyridine and 2,6-dichloropyridine with chlorine at a specific temperature using a halogenated metal based Lewis acid as a catalyst. n CONSTITUTION: A metal halide (e.g. FeCl 3 , AlCl 3 , SbCl 5 , BF 3 , TiCl 4 ) having Lewis acid is added as a catalyst to a mixture of 2-chloropyridine and 2,6- dichloropyridine obtained by distilling an extracting solvent and unreacted pyridine out of a vapor phase light-chlorination reaction mixture of pyridine, and chlorine is blown into the mixture at 100W250°C (preferably 150W220°C) to provide the titled material. The catalyst is used in an amount of 0.5W10wt% based on the raw material mixture and the titled material is advantageously obtained as 2,6-dichloropyridine become rich in a weight ratio of the component in the raw material mixture. n COPYRIGHT: (C)1988,JPO&Japio |
| priorityDate | 1986-12-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 36.