| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_b09f893b262cefd50c5e76c4b85d1c0a |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C49-80
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D309-38
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C45-46 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C45-46
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D309-38
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C49-80 |
| filingDate |
2000-12-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2004-04-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_57e4194f20204700ae5d036d09b49af2
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_06cfa9a9cf85dfb30a8881b6f8ec88d4 |
| publicationDate |
2004-04-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-6716999-B2 |
| titleOfInvention |
Pyrone derivatives and method for producing same |
| abstract |
A method for producing pyrone derivatives of the general formula (I), wherein X 1 is halomethyl, whereby an acetoacetic acid derivative of the general formula (II), wherein X 1 has the aforementioned meaning and X 2 is chlorine or bromine, is treated with a Lewis acid and is subsequently converted into the desired product by means of water. |
| priorityDate |
1999-12-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |