http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4835285-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_5d9f3ca41550d315642580237250c5b0 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D231-08 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D231-08 |
| filingDate | 1988-03-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 1989-05-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_589357d723b4fe9925957e31fbd86878 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_cdf73c46b694a1a031d485b7ca26e377 |
| publicationDate | 1989-05-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | US-4835285-A |
| titleOfInvention | Processes for preparing substituted 4-hydroxymethyl-1-phenyl-3-pyrazolidinone |
| abstract | A process for preparing a substituted 4-hydroxymethyl-1-phenyl-3-pyrazolidinone of the formula ##STR1## wherein R 1 is alkyl and R 2 is selected from the group consisting of halogen, alkoxy, nitro, alkyl, and aryl, comprising reacting a cyclic sulfite of the formula ##STR2## wherein R 1 is as described above and X is halide, with an aromatic hydrazine of the formula ##STR3## wherein R 2 is as described above, in the presence of a basic catalyst and a solvent. |
| priorityDate | 1988-03-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 45.