http://rdf.ncbi.nlm.nih.gov/pubchem/patent/HU-207042-B
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_ba090c867801ab7bccb082f1b694ad25 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D209-34 |
| filingDate | 1988-06-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_674027e7de1a3fe78b30c826ee79ee5a |
| publicationDate | 1993-03-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | HU-207042-B |
| titleOfInvention | Process for producing substituted indolinone derivatives |
| abstract | The present invention relates to a compound of formula IV wherein X is halogen and n is 1,2 or 3. It is an object of the present invention to provide a reducing cyclization of a compound of formula (III) wherein X and n are as defined above in the presence of at least 2 equivalents of anhydrous iron (1H) chloride and at least 2 equivalents of acetyl halide and a solvent. A compound of formula (I) wherein X and n are as defined above and Z is halogen; dehalogenate to remove the halogen at the Z site. The compounds of the invention are used as intermediates in the preparation of other substituted indo-derivatives. EN 207 042 B Scope of the description: 6 pages (including 1 sheet) |
| priorityDate | 1987-06-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 46.