http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-H09169725-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_9db45cbaec0651cacea17f30f366beee |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D209-08 |
| filingDate | 1995-12-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f8bc6115d996265f9ab8d5916d597f5a http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8f13a9fc465c716c960dd3f1c44c632d http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e2344933f6777f74bacfb08385406263 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a0523f24bb3c68622d09160034ca3e32 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a13fcb978ed7ac1f6bafd4bd7afa6a15 |
| publicationDate | 1997-06-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-H09169725-A |
| titleOfInvention | Method for producing 4-hydroxyindole |
| abstract | (57) Abstract: 4-Hydroxyindole is safely produced in a high yield by a simple operation from easily available raw materials without utilizing electrolysis. SOLUTION: 2,6-Dinitrotoluene is reacted in the presence of a quaternary ammonium hydroxide catalyst at a reaction temperature of -20 ° C to +100. By reacting with formaldehyde or its polymer at ℃ 2 -(2,6-Dinitrophenyl) ethanol was produced, and a small amount of amine was added to the resulting reaction solution, followed by reduction treatment, 2- (2,6-diaminophenyl) ethanol is produced, 4-Hydroxy-2,3-dihydroindole obtained by heating this in the presence of an acid catalyst is catalytically dehydrogenated to obtain 4-hydroxyindole. |
| priorityDate | 1995-12-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 62.