http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-109748934-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07F9-6506 |
| filingDate | 2019-02-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2021-05-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2021-05-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-109748934-B |
| titleOfInvention | Levoornidazole disodium phosphate heptahydrate crystal form and preparation method thereof |
| abstract | The invention belongs toThe invention relates to a crystal form of disodium l-ornidazole phosphate heptahydrate and a preparation method thereof, and belongs to the technical field of chemical drug crystallization, wherein an X-ray powder diffraction pattern of the disodium l-ornidazole phosphate heptahydrate has characteristic peaks at 6.6, 12.0, 13.1, 14.1, 14.8, 16.5, 17.9, 19.2, 19.7, 20.5, 21.2, 22.1, 23.1, 24.2, 24.6, 25.1, 25.5, 26.3, 27.5, 28.2, 28.6, 30.4, 31.3, 31.7, 32.0, 32.7, 33.1, 33.6, 34.5, 35.2, 36.0, 36.4, 37.8, 41.5, 53.9 and 55.0, the crystal form is an orthorhombic crystal form, a P212121 space group, and the unit cell parameters and the calculated volume are as follows: a＝90o，β＝90o，γ＝90o， the crystal form of the disodium levoornidazole phosphate heptahydrate provided by the invention has the advantages of high purity, good crystal form stability and simple and convenient preparation method, and is suitable for industrial production. |
| priorityDate | 2019-02-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 32.