| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_173bc2c63b34988699010ba05e5b1376 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C25-10 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C17-06
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C25-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C17-35
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C17-358
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C17-12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C17-04 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C25-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C17-358 |
| filingDate |
2015-10-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0bc9b28d84580db4659af39e6b219986 |
| publicationDate |
2017-08-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
CN-107074699-A |
| titleOfInvention |
Process for the preparation of 5-bromo-1,2,3-trichlorobenzene |
| abstract |
The present invention relates to a process for the preparation of compounds of formula I(I) The method comprises, in the presence of an acidic catalyst, making a compound of formula II(II) react with a brominating agent to form a compound of formula III(III), and reacting the compound of formula III with potassium tert-butoxide in tetrahydrofuran or 2-methyl-tetrahydrofuran to form a compound of formula I. |
| priorityDate |
2014-10-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |