http://rdf.ncbi.nlm.nih.gov/pubchem/patent/FR-2440948-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_0eb300f8bb645d8c16e83b2fd3abb9cd |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D311-16 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D311-16 |
| filingDate | 1979-11-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1980-06-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | FR-2440948-A1 |
| titleOfInvention | SELECTIVE PROCESS FOR THE PREPARATION OF 7-HYDROXYCOUMARIN DERIVATIVES |
| abstract | A. THE INVENTION RELATES TO A SELECTIVE PROCESS FOR THE PREPARATION OF 7-HYDROXYCOUMARINE DERIVATIVES. B. 2-CHLORESORCIN IS REACTED WITH A-ACETYL-G-BUTYROLACTONE IN THE PRESENCE OF BROMBYDRIC ACID AND ACETIC ACID, THEN THE PRODUCT OBTAINED IS REACTED WITH ETHYL MONOCHLORACETATE IN THE PRESENCE OF KCO AND KI , AND FINALLY MAKES THE RECRISTALLIZED PRODUCT REACT WITH DIETHYLAMINE IN THE PRESENCE OF ANHYDROUS KCO TO OBTAIN THE RESEARCH PRODUCT. C. THIS PROCESS MAKES IT POSSIBLE THAT THE DESIRED HALOGEN ATOM IS ALWAYS IN POSITION 8 TO THE EXCLUSION OF ANY ISOMER. |
| priorityDate | 1978-11-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 20.