http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-105330584-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D209-38 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D209-38 |
| filingDate | 2015-12-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2017-10-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2017-10-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-105330584-B |
| titleOfInvention | The preparation method of 4 methoxyl group isatin |
| abstract | The present invention relates to a kind of preparation method of 4 methoxyl group isatin, comprise the following steps：M-anisidine generates the aminoanisole of 2,4 dibromo 5 by bromination reaction；The aminoanisole of 2,4 dibromo 5 generates the methoxyl group isatin of 5,7 dibromo 4 by Sandmeyer methods；The methoxyl group isatin of 5,7 dibromo 4 carries out palladium carbon catalysis reduction-debromination, 4 methoxyl group isatin is made in hydrogen atmosphere.The beneficial effects of the invention are as follows：Yield is greatly improved, and reaction condition is gentle, and simple operation is adapted to batch production. |
| priorityDate | 2015-12-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 41.