http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-113563258-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_4d9c18f4aeed3b1d0e5a4d57d4c63c8b |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D213-61 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D213-61 |
| filingDate | 2021-07-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b69119125a2ee3abc7c381d032dbe3e1 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3ec184d187acf4faac63012ea0dbe80a http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_105846a499fc824410ca089b7066c0a8 |
| publicationDate | 2021-10-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-113563258-A |
| titleOfInvention | A kind of preparation method of 4-bromo-2-(difluoromethyl)-5-methylpyridine |
| abstract | The invention belongs to the technical field of pharmaceutical intermediates, and in particular relates to a preparation method of 4-bromo-2-(difluoromethyl)-5-picoline. In the present invention, compound A is used as a raw material, and 4-bromo-2-(difluoromethyl)-5- is prepared through oxidation reaction, nitration reaction, substitution reaction, reduction reaction, hydrolysis reaction, oxidation reaction and fluorination reaction in sequence. Picoline, the preparation method provides a complete and efficient method for preparing 4-bromo-2-(difluoromethyl)-5-picoline, and the prepared 4-bromo-2-(difluoromethyl)- 5-methylpyridine has high yield and high purity. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-115340492-A |
| priorityDate | 2021-07-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 46.