http://rdf.ncbi.nlm.nih.gov/pubchem/patent/FR-2410659-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_56666880a5e2b7703e98a4f9b2d9daf6 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07J21-003 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07J21-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07J1-00 |
| filingDate | 1978-11-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1979-06-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | FR-2410659-A1 |
| titleOfInvention | PROCESS FOR PREPARING G-LACTONE FROM 17-HYDROXY-3-OXO-17A-PREGNA-4,6-DIENE-21-CARBOXYLIC ACID |
| abstract | ACCORDING TO THE INVENTION, THE G-LACTONE OF 3-ETHOXY-17-HYDROXY-17A-PREGNA-3,5-DIENE-21 CARBOXYL ACID IS IN CONTACT WITH A BROMURING AGENT CHOSEN FROM BROMINE, LA 1, 3-DIBROMO-5,5-DIMETHYL-2,4-IMIDAZOLIDINEDIONE, 1-BROMO-2,5-PYRROLIDINEDIONE AND N-BROMOACETAMIDE IN THE PRESENCE OF 2-METHYLPYRIDINE, 2-METHYLPYRONIDINE CHLORHYDRATE 1 AND ENVIRONIDINE A 2 MOLAR EQUIVALENTS OF WATER IN RELATION TO THE STARTING LACTONE, USING N, N-DIMETHYLFORMAMIDE AS THE CONTACT MEDIUM, AND THE RESULTING MIXTURE IS HEATED WITH LITHIUM BROMIDE, OPERATING IN A SENSITIVELY INERT ATMOSPHERE. |
| priorityDate | 1977-12-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 29.