http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-934967-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_4acae202b6a15394281949545e70d2f6 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07J1-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07J75-00 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07J1-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07J75-00 |
| filingDate | 1961-11-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1963-08-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | GB-934967-A |
| titleOfInvention | Improvements in or relating to the production of cyclopentano-naphthalene compounds and their use in steroid synthesis |
| abstract | 3-Methyl- 7-keto- 8(g -ketobutyl)- 3, 4-(31-acyloxy- [21,11-c]- cyclopentano) - decahydronaphthalene is made by catalytic hydrogenation of D 8-3-methyl-7-keto-8-(g -ketobutyl)-3, 4-(31-acyloxy-[21,11-c]- cyclopentano) -octahydronaphthalene in solution in an alkaline medium, preferably of pH 11, using palladium hydroxide as the hydrogenation catalyst. The medium may be rendered alkaline by inclusion therein of triethylamine. 19-Nortestosterone may be made in the manner described in the parent Specification by cyclizing the compound prepared as described above, preferably in the presence of a condensing agent, such as by the action of a methylate of an alkali metal at elevated temperature or of concentrated hydrochloric acid, preferably containing acetic acid, at room temperature. A detailed example describes the preparation of 3-methyl-7-keto-8-(g -ketobutyl)-(31-benzoyloxy- [21, 11-c]- cyclopentane)-decahydronaphthalene. |
| priorityDate | 1960-11-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 22.