http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-104003903-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C255-50 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C49-675 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C45-45 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C253-20 |
| filingDate | 2014-05-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2016-05-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2016-05-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-104003903-B |
| titleOfInvention | The synthetic method of sartanbiphenyl |
| abstract | The invention discloses a kind of synthetic method of sartanbiphenyl, taking para-totuidine and chlorobenzoyl chloride as raw material, under Louis acid catalysis condition, friedel-crafts acylation occurs; Then natrium nitrosum participate under through diazol and phenyl ring generation closed loop; Then open loop under alkali condition, the accessory substance of the principal product of production VI and formula VII, makes salt by open-loop products and separates; Finally carboxyl is converted into cyano group and makes sartanbiphenyl. Advantage of the present invention: raw material is easy to get, safety, is convenient to production management; Cost is lower, reduces three-waste pollution; Accessory substance recoverable, improves atom utilization. |
| priorityDate | 2014-05-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 113.