http://rdf.ncbi.nlm.nih.gov/pubchem/patent/AP-772-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_c4180fc57a693864e2ce2dbfd64a9278 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D473-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D213-61 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D213-64 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D213-80 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D213-69 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D473-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D213-61 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D213-80 |
| filingDate | 1996-12-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 1999-10-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0ca4144b8971f65dac127abd9bb3d2ce http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f70c33e62874824eb88697983d6f2189 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_933cc6f7a3230656eeb599c6a4914e1a |
| publicationDate | 1999-10-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | AP-772-A |
| titleOfInvention | Process for preparing 2,4-dihydroxypyridine and 2,4-dihydroxy-3-nitropyridine. |
| abstract | The present invention is directed to a process for preparing 2,4-dihydroxypyridine comprising heating a compound of formula A wherein R is H, alkyl or aralkyl and phosphoric acid where the ratio of phosphoric acid to water is not less than about 27 to 1 weight %. The invention is also directed to a process for preparing 2,4-dihydroxy-3-nirxopyridine comprising reacting 2,4-dihydroxypyridine with nitric acid. The processes of the present invention prepare intermediates which are useful in preparing compounds which are useful for treating cardiovascular disease marked by hypertension or myocardial ischemia, ameliorating ischemic injury or myocardial infarct size, or treating hyperlipidemia or hypercholesterolemia. |
| priorityDate | 1996-01-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 498.