| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_a0e63b6f7736b4811694f54898f9a029 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61Q5-10
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K8-49
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D311-62 |
| filingDate |
2011-04-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_cf08e7be4de45b586e4719df7af6a2f7
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d03ee6898842e51a38e64666f998f59f
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d4b61680fdb5b0f8af205c3afabce83a
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_901d463158e2d9fda22700f9dc8bdb45 |
| publicationDate |
2012-11-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
JP-2012219084-A |
| titleOfInvention |
Method for oxidizing natural substance having flavonoid skeleton, method for producing natural substance having flavonoid skeleton and hair dyeing method |
| abstract |
Provided is a method for oxidizing a natural substance having a flavonoid skeleton, and a hair dyeing method using the oxidized substance. SOLUTION: A natural substance having a flavonoid skeleton such as (+)-catechin is oxidized with oxygen gas in a mixed solvent of water and alcohol under basic conditions, and the following general formula (2) The compound represented is obtained. [Selection] Figure 1 |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-106674179-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-112312886-A |
| priorityDate |
2011-04-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |