http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-109627209-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D213-48 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D213-48 |
| filingDate | 2018-12-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2020-09-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2020-09-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-109627209-B |
| titleOfInvention | Preparation method of 2- (trifluoromethyl) pyridine-3-formaldehyde (I) |
| abstract | The invention discloses a preparation method of 2- (trifluoromethyl) pyridine-3-formaldehyde, belonging to the technical field of preparation methods of chemical drug intermediates, which is used for preparing 2- (trifluoromethyl) pyridine-3-formaldehyde by taking acrolein, ammonia water and 4,4, 4-trifluoro-3-oxobutyraldehyde as raw materials and performing aldehyde-amine condensation, cyclization, hydrolysis and deprotection. The method has the advantages of cheap and easily obtained raw materials, simple and convenient operation, high product yield and high industrial value. |
| priorityDate | 2018-12-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 56.