http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-1529416-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_c902faf6ae746c51fc8010672fc22894 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07J1-0037 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07J9-00 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07J1-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07J9-00 |
| filingDate | 1977-04-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1978-10-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | GB-1529416-A |
| titleOfInvention | Preparation of 7-keto-steroids from 7-unsubstituted steroids |
| abstract | 1529416 Preparation of 7-keto-steroids UPJOHN CO 22 April 1977 [26 April 1976] 16748/77 Heading C2U Steroids of the formula (wherein R 1 is H, benzoyloxy or C 1-6 alkanoyloxy; R 3 is H, phenyl or C 1-5 alkyl; and either R 17 α is H and R 17 # is a stigmastene side chain or is a cholestane side chain which may be substituted in position-25 by a hydroxy, benzoyloxy or C 1-6 alkanoyloxy group or R 17 α is CH 3 and R 17 # is OH or OCOCH 3 ) are prepared by oxidizing corresponding steroids unsubstituted in the 7-position using as oxidizing agent a complex of CrO 3 and a pyrazole of the formula wherein R A and R B are each H, CH 3 or phenyl. Stigmasteryl benzoate is prepared from stigmasterol and benzoyl chloride. |
| priorityDate | 1976-04-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 28.