http://rdf.ncbi.nlm.nih.gov/pubchem/patent/KR-100382715-B1
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D215-22 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D335-06 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D335-04 |
| filingDate | 1999-11-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2003-05-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2003-05-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | KR-100382715-B1 |
| titleOfInvention | Process for the preparation of 4-hydroxythiocoumarin and nitrogen analogues thereof |
| abstract | The present invention relates to a method for preparing a coumarin analogue represented by the general formula (1), wherein the compound of the general formula (2) and the compound of the general formula (3) are reacted under basic conditions, followed by acid treatment, to give a general formula (1) To prepare a compound.n n n n n n n n Wherein X represents S or —NH, and R and R ′ may be the same or different and are each a halogen atom or a C 1-4 lower alkoxy group.n n n The present invention is an easy reaction process using a relatively inexpensive reactant, it is possible to obtain an excellent effect in the industrial applicability because the high purity of the target compound can be obtained in a high yield. |
| priorityDate | 1999-11-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 37.