http://rdf.ncbi.nlm.nih.gov/pubchem/patent/AU-2018101129-A4
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_fa7d140397e35029b7a538fa09d7a847 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C201-12 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C205-43 |
| filingDate | 2018-08-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2018-09-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_48eaa09d8480c467cc89579dd64b6f18 |
| publicationDate | 2018-09-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | AU-2018101129-A4 |
| titleOfInvention | 3-methoxy-4-hydroxy-5-nitrobenzoic acid drug intermediates synthesis method |
| abstract | 3-methoxy-4-hydroxy-5-nitrobenzoic acid drug intermediates synthesis method Abstract The present invention discloses 3-methoxy-4-hydroxy-5-nitrobenzoic acid drug intermediates synthesis method, comprises the following steps: 3 -methoxy-4-hydroxy-5 -nitro-benzyl alcohol and potassium chloride solution are added to the reaction vessel, controls the temperature of the solution. aqueous solution, 10 lead tetraacetate is added, controls the stirring speed, continues to react; molybdenum dioxide powder is added, raises the temperature, continues to react for 2-3 h, and then reduce the temperature, sodium nitrate solution is added, adding formic acid solution to adjust the pH, precipitates the crystals, recrystallizes in the o-xylene solution, dehydrated with dehydration, gets the finished product 15 3-methoxy-4-hydroxy-5-nitrobenzoic acid. |
| priorityDate | 2017-09-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 54.