http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-S62123173-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_8e43b4ca6b41ce9f54c9a895d474c81a |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D231-16 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D231-56 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A01N43-56 |
| filingDate | 1985-11-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_861f445e3af75648641cd248b419a256 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_25aabea5a31934c7f3d96f42634b88f6 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e5a9b87fe5c42d5cf089944e81bc9374 |
| publicationDate | 1987-06-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-S62123173-A |
| titleOfInvention | Production of 1-(3-aminophenyl)pyrazole |
| abstract | PURPOSE: 1-Phenylpyrazole is nitrated, and reduced to give the titled substance of high purity, which is used as a herbicide or its synthetic intermediate, in high yield. n CONSTITUTION: A compound of formula I (R 1 , R 2 , X, Y are H, halogen, lower alkyl, or X and Y may incorporate to form a ring) is dissolved in concentrated sulfuric acid, and nitric acid (concentrated of fuming nitric acid) is added thereto at -10W50°C to give a compound of formula II. The product is reduced with iron dust to give a compound of formula III. The reduction reaction can be accelerated by using water, alcohol-water as a solvent, a small amount of hydrochloric acid and a salt such as NH 4 Cl or CaCl 2 . n COPYRIGHT: (C)1987,JPO&Japio |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0235567-A2 |
| priorityDate | 1985-11-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 33.