http://rdf.ncbi.nlm.nih.gov/pubchem/patent/ES-8606277-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_f04656c0e5783029396fba05297beb2b |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D211-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D211-90 |
| filingDate | 1985-12-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1986-04-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | ES-8606277-A1 |
| titleOfInvention | PROCEDURE FOR THE PREPARATION OF 2,6-DIMETHYL-5-METOXICARBONIL-4- (3-NITROPHENYL) -1,4-DIHYDROPYRIDINE-3-ETHYL CARBOXYLATE |
| abstract | PROCEDURE FOR OBTAINING 2,6-DIMETHYL-5-METOXICARBONIL-4- (3-NITROPHENIL) -1,4-DIHYDROPYRIDINE-3-CARBOXYLATE OF ETHYL, OF FORMULA (I). IT CONSISTS OF THE CONDENSATION REACTION OF 3-NITROBENZALDEHYDE WITH METHYL ACETYLACETATE, IN ISOPROPYL ALCOHOL, IN THE PRESENCE OF PIPERIDINE ACETATE AND CATALYZED BY A 45 KHZ ULTRASOUND RADIATION SOURCE; FOLLOWED BY THE CYCLING OF THE COMPOUND OBTAINED BY ACTION OF ETHYL 3-A-MINOCROTONATE, IN PYRIDINE AS A SOLVENT, IN THE PRESENCE OF A DEHYDRATING AGENT SUCH AS MOLECULAR SIEVE AND OF AN ACID CATALYST SUCH AS PYRIDINE HYDROCHLORIDE, AT TEMLPERKHYDINE. |
| priorityDate | 1985-12-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 26.