http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CA-1079298-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_14effe3850d2129f863b969dac4f1db8 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-15 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-15 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C65-03 |
| filingDate | 1977-09-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 1980-06-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_988a151c414c54e0f4918e601ffa3450 |
| publicationDate | 1980-06-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CA-1079298-A |
| titleOfInvention | Preparation of 3.5-dialkyl-4-hydroxybenzoic acid |
| abstract | ABSTRACT OF THE DISCLOSURE A process for preparing a sterically hindered 3,5--dialkyl-4-hydroxybenzoic acid which comprises reacting a sterically hindered 2,6-dialkylphenol with an excess of so-dium hydride or lithium hydride in a dry dipolar aprotic sol-vent, carboxylating the resulting anhydrous phenolate with an excess of carbon dioxide at atmospheric pressure and at a tem-perature of about 70°C. to 80°C., then destroying the excess sodium hydride or lithium hydride by addition of an alcohol, followed by acidifying the reaction mixture to obtain a high yield of the sterically hindered 3,5-dialkyl-4-hydroxybenzoic acid. |
| priorityDate | 1976-11-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 71.