http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CU-20080007-A7
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_132aa5ddba376cda52c2bedb26765245 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07J53-00 |
| filingDate | 2008-01-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d5547843db9be14965e2e9a00989a128 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_cb34c008917b20615230de6997c86146 |
| publicationDate | 2010-05-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CU-20080007-A7 |
| titleOfInvention | PROCESS TO PRODUCE 3-OXO-PREGN-4-ENO-21,17-CARBOLACTONES BY METAL FREE OXIDATION OF 17- (3-HYDROXYPROPIL) -3,17-DIHYDROXYANDROSTANS |
| abstract | This invention relates to Processes for producing 3-oxo-pregnan-21.17-carbolactones of formula II, as well as 3-oxo-pregn-4-eno-21.17-carbolactones of formula III by metal-free oxidation of 17 - (3-hydroxypropyl) -3,17-dihydroxyandrostanes of formula I. In addition, the invention relates to the hemisolvate in dichloromethane of 6 beta, 7 beta, 15 beta, 16 beta-dimethylene-3-oxo-17 alpha-pregnan-5 beta-ol-21 , 17-carbolactone (IV) as well as a process to produce drospirenone. |
| priorityDate | 2008-01-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 19.