| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_5c24684033fba97d1ad845ce453a57e3 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D277-68 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D277-68 |
| filingDate |
1981-04-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1983-01-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_de733ac84ea216ae868cac94eeab78f8 |
| publicationDate |
1983-01-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-4370483-A |
| titleOfInvention |
Process for the manufacture of 2-hydroxybenzothiazoles |
| abstract |
A process for the manufacture of a 2-hydroxybenzothiazole compound which comprises treating a 2-aminobenzothiazole compound with an alkali metal hydroxide or alkaline earth metal hydroxide in a solvent or diluent stable to alkalis, in the absence of water or with substantial exclusion of water and cyclizing the alkali metal or alkaline earth metal salt of the ortho-mercapto-N-phenylurea compound so obtained, optionally without intermediate isolation, by treatment with an acid to give the 2-hydroxybenzothiazole compound. The process furnishes the final products with high yield and purity; waste water problems are excluded by this process. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-0202528-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2004035251-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4727154-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2006106074-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7186839-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-101525315-B
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4808752-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-03045930-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7371324-B2 |
| priorityDate |
1980-05-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |