http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-104230743-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D241-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C231-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C237-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D471-04 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C231-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C231-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D241-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C237-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D471-04 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C231-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D471-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C237-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D241-08 |
| filingDate | 2013-06-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2017-02-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2017-02-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-104230743-B |
| titleOfInvention | A kind of preparation method of 4-benzyl-1-phenethylpiperazine-2,6-dione |
| abstract | The invention provides a compound of the key new intermediate formula III of 4-benzyl-1-phenethylpiperazine-2,6-dione (compound of formula IV), its pharmaceutically acceptable salt and a preparation method thereof. The present invention also discloses a method for preparing 4-benzyl-1-phenethylpiperazine-2,6-dione (compound of formula IV) from the compound of formula III, which overcomes the yield of the existing preparation method of compound of formula IV low, low purity, high energy consumption, high cost, and incapable of industrial production, a simple, economical, environmentally friendly and easy-to-industrial production method for the compound of formula IV is provided. The reaction solvent of this method is easy to recycle, and can prepare Compound of formula IV with high yield and high purity. |
| priorityDate | 2013-06-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 142.