http://rdf.ncbi.nlm.nih.gov/pubchem/patent/KR-102339258-B1
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C209-54 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C211-52 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C211-52 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C209-54 |
| filingDate | 2020-01-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2021-12-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2021-12-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | KR-102339258-B1 |
| titleOfInvention | Preparation Method for 2,2'-Bis(Trifluoromethyl)-4,4'-Diaminobiphenyl |
| abstract | The present invention prepares 2,2'-bis(trifluoromethyl)-4,4'-diaminobiphenyl from 3,3'-bis(trifluoromethyl)hydrazobenzene in high yield by benzidine rearrangement reaction It relates to a manufacturing method, more particularly, (A) dissolving 3,3'-bis (trifluoromethyl) hydrazobenzene in an organic solvent; (B) dropwise adding the solution prepared in step (A) to an inorganic acid solution while maintaining a temperature of less than 0°C and -30°C or higher; And (C) when the dropwise addition is completed, reacting at less than 0 ° C. -30 ° C. or higher to rearrange; 2,2'-bis (trifluoromethyl) -4,4'-diaminobi comprising a; It relates to a process for the preparation of phenyl. |
| priorityDate | 2020-01-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 34.