http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-109438356-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D233-56 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D233-56 |
| filingDate | 2018-11-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2022-04-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2022-04-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-109438356-B |
| titleOfInvention | Method for purifying prochloraz technical |
| abstract | The invention discloses a method for purifying prochloraz technical, which comprises the steps of dissolving a technical crude product by using an organic solvent, adding a manganese dichloride solution to obtain prochloraz and manganese dichloride complex precipitate; filtering and separating the organic solvent and water, and then decomplexing the filter cake in toluene by using liquid caustic soda; stirring and extracting, washing the extract by water, and performing desolventizing under reduced pressure to obtain a crude drug refined product. The method has the advantages of simple operation, raw material saving, good product purity, high process yield and the like, and is suitable for industrial production. |
| priorityDate | 2018-11-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 36.