http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-106632041-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D221-28 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D221-28 |
| filingDate | 2016-10-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2019-07-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2019-07-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-106632041-B |
| titleOfInvention | A kind of preparation method of Levallorphane Tartrate |
| abstract | The present invention provides a kind of preparation methods of Levallorphane Tartrate, belong to drug and chemosynthesis technical field.This method is using homoanisic acid and 2-(cyclohexenyl group) ethamine as starting material through acylated condensation, the hydrolysis of Bischler-Napieralski annulation, imine reduction, ehter bond, split, N- alkylation, Grewe cyclization and at salt totally nine steps reaction.The method obtains Levallorphane Tartrate and each intermediate with high yield, high-purity, can be used as industrial method and is mass produced. |
| priorityDate | 2016-10-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 113.