http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-2185517-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_fd048f86dea957a0403c59240263abcb |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61P11-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D215-18 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61P11-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K31-4704 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D215-18 |
| filingDate | 2008-07-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a3931b391500327acdb4aafe8d93742b http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1f1d797ad47a4e5d6e56784048c902b7 |
| publicationDate | 2010-05-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | EP-2185517-A1 |
| titleOfInvention | Process for preparing a leukotriene antagonist and an intermediate thereof |
| abstract | Dicyclohexylamine salt of formula (IIa) or a pharmaceutically acceptable solvate thereof, including a hydrate, and its process for preparation. Process for the preparation of montelukast of formula (I) or a pharmaceutically acceptable salt thereof, or a pharmaceutically acceptable solvate thereof, including a hydrate, comprising the conversion of a salt of formula (IIa) into its form of free acid, followed by reaction with a compound of formula (III) CH3MgX, wherein X is halogen, in a suitable solvent, optionally in the presence of a Lewis acid. |
| priorityDate | 2007-07-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 134.