http://rdf.ncbi.nlm.nih.gov/pubchem/patent/SI-8910810-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_da2a3c0735501546378b72cb4df0ee2c |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K31-38 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D333-24 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D333-38 |
| filingDate | 1989-04-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_15fec1294e098b88e723a49a9df01810 |
| publicationDate | 1997-06-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | SI-8910810-A |
| titleOfInvention | PROCEDURE FOR THE PREPARATION OF 5-CHLORO-3-CHLOROSULPHONYL-2-THIOPHENCARBOXYLIC ACIDS |
| abstract | A process for the preparation of 5-chloro 3-chlorosulfonyl-2-thiophenecarboxyl esters is describednacids of formulanso2cinI in which R is C 1 -C 4 -alkyl at which it is activatednmetallic iron with chlorine gas and chlorinatedna compound of formulanCOORnII in which R has the above meaning, in the presence of activatednof iron by introducing chlorine gas. Compounds withnFormula I is an intermediate in the preparation of the pharmaceuticalnof effective substances. |
| priorityDate | 1988-05-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 36.