http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-102070592-B
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_f7332f833c19a9d550ba29618764ff99 |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-55 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D311-32 |
| filingDate | 2011-01-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2013-06-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_faafc56e55c21d9dd4df98797d79f8c9 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e87a9d6d26d5e94cf8d3000862e84c2a http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_faa8239af2bc6a9717092b897b151917 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_83c585f856c990803650f28a6ef4add3 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6c35e0156b64c7b693b9deb73c6aadd5 |
| publicationDate | 2013-06-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-102070592-B |
| titleOfInvention | Synthesis method of dihydroquercetin |
| abstract | The invention provides a synthesis method of dihydroquercetin, which mainly solves the problems of high preparation cost and unsuitability for large-scale industrial production of dihydroquercetin by the conventional method. The synthesis method of the dihydroquercetin comprises the following steps of: 1, preparing 2,4,6- trihydroxyacetophenone pyran ether; 2, preparing 3,4-protocatechualdehyde dipyran ether; 3, preparing chalcone; 4, preparing epoxy chalcone; and 5, removing a protective group and closing a loop so as to obtain a dihydroquercetin product, wherein a reaction end point is detected by thin layer chromatography. Raw materials and reagents used in a synthesis process are cheap and readily available, the entire route has high yield and low production cost; and the synthesis method has the characteristics of simple process, mature reaction steps, small using amounts of solvents, little environmental pollution, low requirement on production equipment and suitability for industrial production. |
| priorityDate | 2011-01-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
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