http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2014194624-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_5053f82a7cd17c60822674b657cfb89e |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D239-94 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61P43-00 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D239-94 |
| filingDate | 2014-01-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4e13f5514fa42ebfb804c3bcc5c58a4d http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f44b88f795e587053ca53040cb30f49f |
| publicationDate | 2014-07-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | US-2014194624-A1 |
| titleOfInvention | Process for Preparation of Erlotinib and its Pharmaceutically Acceptable Salts |
| abstract | A process for the preparation of a salt of N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)quinazolin-4-amine comprising reacting a 4-halo-6,7-bis(2-methoxyethoxy)quinazoline with 3-aminophenyl acetylene or an acid salt thereof under acidic conditions to form the corresponding acid salt of N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)quinazolin-4-amine, the process optionally further comprising converting the acid salt of N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)quinazolin-4-amine to N-(3-ethynylphenyl)-6,7-bis(2-methoxyethoxy)quinazolin-4-amine. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-107655983-A |
| priorityDate | 2007-04-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 172.