| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_1ad722dc411d861596cb17a2d3ad6708 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C2603-24 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-27
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C67-08 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C-
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-27
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C69-16
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C66-02 |
| filingDate |
1998-12-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2002-03-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_79833f54c6f0f5e5b975251cb3cf9f88 |
| publicationDate |
2002-03-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-0928781-B1 |
| titleOfInvention |
Process for the preparation of rhein and its diacyl derivatives |
| abstract |
The present invention regards a process for the preparation of rhein and corresponding diacyl derivatives, in particular diacerein, via oxidation of aloe-emodin and its triacyl derivatives with salts of nitrous acid, possibly followed by acylation of the rhein thus obtained. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-2497761-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7453004-B2 |
| priorityDate |
1997-12-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |