http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-111995507-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C45-46 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J35-0006 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J27-128 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J27-125 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C45-46 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J27-128 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C49-84 |
| filingDate | 2020-09-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2022-07-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2022-07-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-111995507-B |
| titleOfInvention | Application of a Combination Catalyst in Specific Friedel-Crafts Reaction |
| abstract | The invention provides the application of a combined catalyst of iron trichloride and indium trichloride in a specific Friedel-Crafts reaction. More specifically, the present invention provides the application of a combination of ferric trichloride and indium trichloride Lewis acid catalyst in the preparation of key intermediates of Liejing drugs. Compared with the prior art, the combined catalyst of ferric chloride and indium trichloride provided in the present invention can greatly reduce the use of inorganic salts in the preparation process of the key intermediates of Liejing drugs, and significantly reduce the discharge of "three wastes"; at the same time, The combined catalyst of ferric chloride and indium trichloride can significantly improve the selectivity of para-products in the preparation process of the key intermediates of lijing drugs; can significantly improve the quality and yield of the target product, and can significantly reduce the process cost. |
| priorityDate | 2020-09-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 55.