http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-3799955-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_16daee5e5ba52f328bb7ca4c00e6dff5 |
| classificationCPCInventive | 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/C07J3-00 |
| filingDate | 1973-01-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 1974-03-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2bfea6f9dfdcd940022e8d352b94f9c3 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e442528dac4c8d6e95300b755e3f7a7b |
| publicationDate | 1974-03-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | US-3799955-A |
| titleOfInvention | Method of making 11 alpha-or 11 beta-hydroxy-18-nor-17-alpha-alkyl-17 beta-methylandrosta-4,13-diene-3-ones |
| abstract | A METHOD FOR MAKING COMPOUNDS OF THE FORMULA 3-(O=),11-(HO-),18-NOR,17-R-ANDROSTA-4,13-DIENE BY REACTING THE CORRESPONDING 11-HYDROXY-17A-ALKYLANDROSTA-4-ENE-17B-OL--3-ONE WITH A CATALYTIC AMOUNT OF ETHYLENE GLYCOL AND P-TOLUENE SULFONIC ACID, THEREBY ASSURING KETALIZATION WHILE CAUSING REVERSE PINACOL REARRANGEMENT TO PRODUCE THE INTERMEDIATE 11-HYDROXY-18-NOR-17AALKYL - 17B-METHYLANDROSTA-5,13-DIENE-3-ETHYLENEKETAL AND HYDROLYZING THE INTERMEDIATE IN THE SOLUTION OF ACETONE, ETHANOL, OR METHANOL IN THE PRESENCE OF A CATALYTIC AMOUNT OF HCL IS DISCLOSED. |
| priorityDate | 1972-07-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 30.