| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_9ce023a6c13740cb05a67332f11a29f9 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-367
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C37-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C49-255 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C49-35
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-367
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C39-38
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C43-225
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C59-64
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C49-255
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C37-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C41-09
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C45-68 |
| filingDate |
1996-09-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2001-01-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f3568c11f0034e9fb51df713e47345ac |
| publicationDate |
2001-01-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-0934240-B1 |
| titleOfInvention |
Production of 6-bromo-2-naphthol and derivatives |
| abstract |
1,6-Dibromo-2-naphthol is efficiently hydrodebrominated to 6-bromo-2-naphthol without the generation of unacceptable amounts of non-recyclable waste and without the use of costly materials by reacting it with sulfur dioxide in the presence of a base. The reaction is suitably conducted at moderate temperatures in an inexpensive solvent, such as water or a water-alcohol mixture, and is typically completed in 1-2 hours, after which the 6-bromo-2-naphthol can be converted to derivatives if desired. |
| priorityDate |
1996-09-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |