http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-102070430-B
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_e164bcc4bd54075650f89b687ea057ff |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C45-64 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C49-84 |
| filingDate | 2010-12-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2014-02-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_cee683759bdded3040753d5e48799d76 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1847ad66302ff6a1fb3b8beddcab85c9 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_cd7cb063a509e1d72188dc92d60aecc3 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ddfe4efaf599344e7fc7ec18804467d6 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ac192d9ff12e94c12b68d531d65cec19 |
| publicationDate | 2014-02-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-102070430-B |
| titleOfInvention | Method for preparing xanthoxylin |
| abstract | The invention provides a method for preparing xanthoxylin. The method comprises the following steps of: performing acylation and esterification reactions on phloroglucinol and an acylation reagent in the presence of lewis acid; rearranging phenolic ester to obtain 2,4,6-trihydroxy acetophenone; and performing methylation reaction on the 2,4,6-trihydroxy acetophenone and a methylation reagent under an alkaline condition to prepare the xanthoxylin. The method has a simple process, high yield and rich raw material resources, and is low in cost; a product is easy and convenient to separate and purify; the reagents are environmentally-friendly; and the environmentally-friendly industrial production of the xanthoxylin can be realized. |
| priorityDate | 2010-12-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 52.