| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_a333e6344b62fb21a7c1ee592b165fca |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D499-00 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D499-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D499-897
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D499-87
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D499-86 |
| filingDate |
1984-10-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1986-03-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7b04e2f0779602a9a24e783f000ffdcb
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_5e640025f2247cc334556c61728f2d49 |
| publicationDate |
1986-03-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-4576754-A |
| titleOfInvention |
Preparation of 6,6-dibromo-penicillanic acid-1,1-dioxide |
| abstract |
In a process for the preparation of 6,6-dibromo-penicillanic acid-1,1-dioxide comprising reacting 6β-amino-penicillanic acid-1,1-dioxide with a nitrosating agent in the presence of bromine and an inorganic acid or strong organic acid, the improvement comprising effecting the reaction in the presence of an alcohol resulting in a high purity product. |
| priorityDate |
1983-10-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |