http://rdf.ncbi.nlm.nih.gov/pubchem/patent/ES-8402822-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_b09f893b262cefd50c5e76c4b85d1c0a |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D213-803 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D213-61 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D213-61 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D213-79 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D213-20 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D213-803 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D213-80 |
| filingDate | 1983-01-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1984-02-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | ES-8402822-A1 |
| titleOfInvention | PROCEDURE FOR THE PREPARATION OF 2-HALOGENOPYRIDINE DERIVATIVES |
| abstract | PROCEDURE FOR THE PREPARATION OF DERIVATIVES OF 2-HALOGENOPYRIDINE OF GENERAL FORMULA (I). CONSISTS OF REACTING IN EXCESS THE CORRESPONDING DERIVATIVES OF N-OXIDES OF 2-PYRIDINECARBOXYLIC ACID, OF GENERAL FORMULA (II), IN THE PRESENCE OF ORGANIC ANHYDRIDES, ALCOHILAMINE TERTIARY AND OF A HALOGEN SUPPLYING COMPOUND, OF GENERAL FORMULA: CHNXM, IN WHICH N IS 1 OR 2; M IS 2 O 3; AND X IS HALOGEN. THE REACTION MIXTURE IS ADJUSTED TO A PH BETWEEN 12 AND 13, AND FROM THIS MIXTURE THE DESIRED PRODUCT IS ISOLATED. OF APPLICATION AS AN INTERMEDIATE PRODUCT FOR THE PREPARATION OF MANY MEDICINES. |
| priorityDate | 1982-01-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 18.