http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CH-536824-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_3e9445e5e3626f36e932c6451a928250 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07J7-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07J75-00 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07J75-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07J7-00 |
| filingDate | 1971-04-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_5998ded49574871172610ee5eaac8031 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_07922e3589a0cb0619b28f5a00f481ca http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ed9624ba28dac6f21a9279e28ad78583 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_462edd3f902434b4a2a86e7014986a79 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6f290b9c175af730677d873395095f01 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_889aab13cd02a43169e8c7c247b7cf22 |
| publicationDate | 1973-05-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CH-536824-A |
| titleOfInvention | Process for the preparation of 19-norsteroids |
| abstract | 19-Oxygenated steroids and 19-nor-steroids are prepared by treating DELTA4-3-oxo-6beta:19-oxido-steroids of the spirostane, androstane and pregnane series, with reducing agents, and transforming, if necessary, the resulting DELTA5-3-oxo-steroids into the DELTA4-3-oxo-steroids, and removing therefrom, if necessary, the 19-C after oxidation of the 19-OH. Suitable starting materials are DELTA4-3-oxo-6beta:19-oxido steroids contng. another OH or oxo gp. in the 19-pos., and 19:6beta-lactones of DELTA4-3-oxo-6beta-hydroxy-19-oic acids. The reduction may be effected with metals, suitably with zinc and fatty acid. Cpds. include DELTA4-3-oxo-17alpha-ethinyl-17beta-hydroxyandrostene-19-oic acid and its esters; DELTA4-3:19-dioxo-17alpha-ethinyl-17beta-hydroxy-androstene;. |
| priorityDate | 1971-04-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 78.