http://rdf.ncbi.nlm.nih.gov/pubchem/patent/ES-388783-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_4acae202b6a15394281949545e70d2f6 |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61K2300-00 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61K31-57 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61K31-56 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61K31-565 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07J3-00 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07J7-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C- http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K- http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K31-57 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07J5-00 |
| filingDate | 1971-03-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1974-02-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | ES-388783-A1 |
| titleOfInvention | PROCEDURE FOR THE PREPARATION OF 3.20 - DIOXO - 13 BETA - ETHYL - 17 ALPHA - METHYL - 18.19 - DINOR - PREGNA - 4.9 - DIE-NO. |
| abstract | Preparation procedure for 3,20-dioxo-13beta-ethyl-17alpha-methyl-18,19-dinor-pregna-4,9-diene of formula I **(See formula)** characterized in that the alcohol function in position 20 of the 3-oxo-13beta-ethyl-17alpha-methyl-20alpha-hydroxy-18,19-dinor-pregna-4,9-diene of formula IIA is oxidized **(See formula)** or of 3-oxo-13beta-ethyl-17alpha-methyl-20beta-hydroxy-18,19-dinor-pregna-4,9-diene of formula IIB **(See formula)** or of a mixture of these two compounds, by means of an oxidizing agent, such as chromic anhydride, in the presence of sulfuric acid, in acetone medium, and the desired compound is isolated. (Machine-translation by Google Translate, not legally binding) |
| priorityDate | 1970-03-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 24.