http://rdf.ncbi.nlm.nih.gov/pubchem/patent/PL-415853-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_8028b7c9d57399a655f731cf93b5d74f |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D221-18 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B5-14 |
| filingDate | 2016-01-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1e218fa71c3af63bcb466ee4934e8a30 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3d2316fb6cf2ea52d4c0747b98f8a033 |
| publicationDate | 2017-07-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | PL-415853-A1 |
| titleOfInvention | The method of obtaining 4-bromo-1- (N-methyl) antrapiridone-9 |
| abstract | The subject of the application is a method for the preparation of 4-bromo-1- (N-methyl) anthropyridone-9, consisting of acetylation of 4-bromo-1- (N-methyl) aminoanthraquinone with acetic anhydride, cooling of the reaction mixture, isolation by crystallization obtained by acetylation 4-bromo-1- (N-acetyl-N-methyl) aminoanthraquinone and subjecting it to cyclization in 0.5% sodium hydroxide solution, in an autoclave, cooling the reaction mixture, isolating crude 4-bromo-1- (N-methyl) antrapiridone-9 and subjecting it to purification, characterized in that crude 4-bromo-1- (N-methyl) antrapiridone-9 is purified by dissolving in N-methylpyrrolidone-2, then cooling the resulting solution and finally filtering off the crystallized 4-bromo -1- (N-methyl) antrapiridone-9, washing it with ethanol and drying. |
| priorityDate | 2016-01-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 20.