| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_966a6c1f382ec9bcb5e3839dfd73e5b8 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D415-00 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D487-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J31-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J31-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D415-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J27-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D417-06 |
| filingDate |
1989-05-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1994-08-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2dfba18b47bb6209756339a4432cd32e
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_33c84e79e6c873ceb11bd4ac5dd1e683 |
| publicationDate |
1994-08-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-0342482-B1 |
| titleOfInvention |
Process for the preparation of pyrimidine derivatives |
| abstract |
A process for the preparation of thiamine is described. This entails Grewe diamine being heated with an orthoformic ester, the resulting pyrimidine derivative of the formula <IMAGE> being reacted with a ketone of the formula <IMAGE> and the resulting compound of the formula <IMAGE> being converted into thiamine. |
| priorityDate |
1988-05-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |