http://rdf.ncbi.nlm.nih.gov/pubchem/patent/DD-245872-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_c6b68dd1d98662de4e4e76f239113a4b |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D231-28 |
| filingDate | 1986-02-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e1dc19d9a78e9d0e1225613af237f6f8 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_85ae132f8c5d4cbf0f0de978e1292fda http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_9d72cbeb23d02719cc833698df6f6921 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f8a8c733c5cdd81730e1364342cfd1fd |
| publicationDate | 1987-05-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | DD-245872-A1 |
| titleOfInvention | PROCESS FOR PREPARING 4-HYDROXY-DELTA-HIGH 2-PYRAZOLIN-5-ONEN |
| abstract | The invention relates to a process for the preparation of 4-hydroxy-D 2 -pyrazolin-5-ones (formula). The aim of the invention is a simple and economic synthesis. The relevant technical problem is achieved according to the invention by reacting the unsubstituted or monosubstituted in the 4-position pyrazolin-5-ones (formula) with phenols and suitable dehydrating agents in solution and / or suspension predominantly at room temperature to 50C. The process according to the invention is applicable to the preparation of intermediates for organic syntheses. |
| priorityDate | 1986-02-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 66.