Predicate |
Object |
assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_0d269c8e41f178194d858c230c9f85e3 |
classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61P31-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D295-088 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07H15-23 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07H15-234 |
classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K31-7028 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K31-7036 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07H15-23 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K31-7034 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07H15-236 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07H15-234 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K31-70 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D295-088 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07H15-22 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61P31-04 |
filingDate |
1975-10-24^^<http://www.w3.org/2001/XMLSchema#date> |
publicationDate |
1980-08-13^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber |
IE-42452-B1 |
titleOfInvention |
Aminoglycosides |
abstract |
1464401 Silylated aminoglycoside PFIZER Ltd 24 Oct 1975 [26 Oct 1974] 46412/74 Heading C3S [Also in Division C2] The penta - N - acetyl - octa - O - trimethylsilyl derivative of 1 - N - [(S) - 4 - amino - 2- hydroxybutyl] - kanamycin A is prepared by treating 1 - N - [(S) - 4 - amino - 2 - hydroxybutyl]-kanamycin A with acetic anhydride in methanol at room temperature for 24 hours, followed by a 2 : 1 mixture of hexamethyldisilazane and trimethylchlorosilane at room temperature for 24 hours. |
priorityDate |
1974-10-26^^<http://www.w3.org/2001/XMLSchema#date> |
type |
http://data.epo.org/linked-data/def/patent/Publication |