http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-108033958-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07B2200-13 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D455-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D455-03 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D455-03 |
| filingDate | 2018-02-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2019-03-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2019-03-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-108033958-B |
| titleOfInvention | Demethyleneberberinehydrochloride hydrochloride crystal form and preparation method thereof |
| abstract | The invention belongs to field of pharmaceutical chemistry technology, more particularly to four kinds of crystal forms A, B, C, D and preparation method thereof of demethyleneberberinehydrochloride hydrochloride, invention further provides the X-ray ray powder diffraction characteristic absorption peak of this four kinds of crystal forms, infrared absorption peak and DSC map.Crystal form X-ray ray powder diffraction characteristic diffraction peak is about 8.205,8.805,10.817,14.835,15.479,16.668,17.492,18.529,20.656,21.536,23.538,25.657,26.192,28.808 °.The invention further relates to the preparation methods of four kinds of demethyleneberberinehydrochloride hydrochloride crystal forms.It is the preparation method simple process, high income, at low cost；Product purity is high, quality is stablized. |
| priorityDate | 2018-02-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 34.