| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_6c2463de6a45d3eeb8ce2c6f293229a0 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-377 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-377 |
| filingDate |
1991-08-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_cdd5863dfad5842938a4f5be4839d908
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_16824c7665c5c44e25fd1f6e960cad01
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_71293d653ee527e60b6f7f471af439d6 |
| publicationDate |
1993-02-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-0526672-A1 |
| titleOfInvention |
4-Hydroxyphenyl acetic acid |
| abstract |
A process for the preparation of 4-hydroxyphenyl acetic acid of the formula I, an important raw material for the preparation of pharmaceutically active substances, from sodium-4-hydroxymandalate monohydrate comprising reducing the sodium-4-hydroxymandalate monohydrate with a reducing agent consisting of stoichiometric quantity of a phosphorus (III) compound and catalytic or stoichiometric quantity of sulphur dioxide or equivalent salt thereof in a solvent at 60-120 °C and at ambient to 5 atmospheres pressures. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0627403-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5395964-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/FR-2705669-A1 |
| priorityDate |
1991-07-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |