| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_2aa388e460f6cf478bd46c925c6ab10e |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D239-94
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D405-12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C227-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C227-18 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D405-12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D307-20 |
| filingDate |
2015-06-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2b14db3676b0051fae14dd172f481eaa
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0f57620d83db281b81242d2e8b52277e
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_aee99dc88d58da8313367e02130c8f0c
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_646ccea422ef5112d564fc9caf73b699 |
| publicationDate |
2017-04-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-3148977-A1 |
| titleOfInvention |
Process for the preparation of 4-dimethylaminocrotonic acid |
| abstract |
The present invention provides a process for the preparation of 4- dimethylaminocrotonic acid of Formula (II) or its salts, which is used as an intermediate for the preparation of afatinib or its salts. |
| priorityDate |
2014-06-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |