| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_c902faf6ae746c51fc8010672fc22894 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07J1-0022 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07J1-00 |
| filingDate |
2002-12-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_44d612ed598dbf42b5d86a5a57349aaa |
| publicationDate |
2004-09-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-1453851-A1 |
| titleOfInvention |
Phosphoric acid isomerization of a 5(10),9(11)-diene steroid to the corresponding 4,9-diene steroid |
| abstract |
The invention is a process for the preparation of a Delta<4,9>-steroid of formula (II)which comprises contacting a Delta<5(10),9(11)>-steroid of formula (I)with a phosphorous containing acid. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-112375122-A |
| priorityDate |
2001-12-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |