http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-H05262756-A
Outgoing Links
| Predicate | Object |
|---|---|
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D311-46 |
| filingDate | 1992-03-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1993-10-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-H05262756-A |
| titleOfInvention | Method for producing 4-hydroxycoumarin |
| abstract | (57) [Summary] [Purpose] It is intended to provide a method capable of industrially sufficiently producing 4-hydroxycoumarin, which is useful as an intermediate raw material for pharmaceuticals and agricultural chemicals. [Structure] (i) Malonic acid diester (ii) Magnesium chloride or magnesium oxide (iii) Acetylsalicylic acid chloride is reacted to obtain 2- (2-acetoxybenzoyl) malonic acid dialkyl ester, which is then cyclized with an alkali. Characterized by |
| priorityDate | 1992-03-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 47.