http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-106565661-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61K36-185 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D311-86 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D311-86 |
| filingDate | 2016-11-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2019-03-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2019-03-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-106565661-B |
| titleOfInvention | The method for isolating and purifying nujiangexanthoneA |
| abstract | The invention proposes the methods of fast separating and purifying nujiangexanthone A a kind of, specifically comprise the following steps: Nujiang gamboge branch or leaf powder Extraction solvent room temperature seepage pressure effects or is condensed back extraction, it is concentrated under reduced pressure into extracting solution organic solvent-free taste, obtains extractum A；Silicagel column column chromatography for separation is carried out to extractum A: being eluted with eluant, eluent, is detected through thin-layer chromatography, collects fraction, is concentrated under reduced pressure, obtains medicinal extract B；Silicagel column column chromatography for separation is carried out to medicinal extract B: being eluted with eluant, eluent, is detected through thin-layer chromatography, collects fraction, is concentrated under reduced pressure, obtains medicinal extract C；Medicinal extract C is separated using high speed adverse current chromatogram, is detected through thin-layer chromatography, collects and merge fraction, be concentrated under reduced pressure, obtain crude product D；Sephadex LH20 gel column purification is carried out to crude product D, is eluted with eluant, eluent, is detected through thin-layer chromatography, collects and merges fraction, is concentrated under reduced pressure, obtains target compound nujiangexanthone A.Method of the invention is high-efficient, easy to operate, and strong operability, preparation amount is big, is easy to amplify production. |
| priorityDate | 2016-11-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 53.