http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-105541698-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D213-61 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D213-61 |
| filingDate | 2015-12-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2018-07-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2018-07-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-105541698-B |
| titleOfInvention | A kind of preparation method of the bromo- 2- trifluoromethyl pyridines of 5- |
| abstract | The invention discloses the preparation methods of 5 bromine, 2 trifluoromethyl pyridine, include the following steps：（1）5 bromopyridine, 2 carboxylic acid or 5 bromopyridine, 2 acyl chlorides are reacted into generation 5 bromine, 2 trichloromethyl pyridine with reagent A under the effect of catalyst virtue phosphorus；（2）By step（1）Products therefrom reacts generation 5 bromine, 2 trifluoromethyl pyridine with fluorination reagent under Lewis acid catalysis.The preparation method of the present invention is simple for process, and cost is relatively low, high income, convenient for industrialized production. |
| priorityDate | 2015-12-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 82.