http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0716088-B1
Outgoing Links
Predicate | Object |
---|---|
assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_24aca9ded2638ea793d05360dde7a4a0 |
classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D405-04 |
classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D405-04 |
filingDate | 1995-06-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
grantDate | 2004-02-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_99f1ee6a4ab425fc82fe833a1db18acf http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_cee656bafdb06c32d52e7df9fed61304 |
publicationDate | 2004-02-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber | EP-0716088-B1 |
titleOfInvention | Process for producing 2-(tetrazol-5-yl)-4-oxo-4h-benzopyrans |
abstract | There is disclosed a process for producing a 2-(tetrazol-5-yl)-4-oxo-4H-benzopyran of general formula (1): <CHEM> which comprises reacting a hydroxyacetophenone of general formula (2): <CHEM> with a tetrazole compound of general formula (3): <CHEM> in the presence of a base in a solvent composed mainly of at least one selected from hydrocarbons, halogenated hydrocarbons and alcohols, and then treating the reaction mixture under acidic conditions. |
priorityDate | 1994-06-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 499.