| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_2ca2e4410855da087e11bf3eea8933fa |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D505-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D498-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61P31-04 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D505-22
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D505-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D505-06
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61P31-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K31-545
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K31-5365
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D498-04 |
| filingDate |
1980-04-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_5264a2952d951106861297d0730d7856 |
| publicationDate |
1984-03-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
CS-226013-B2 |
| titleOfInvention |
Method of preparing di-ammonium salt of 7beta-(d-(carboxy(4-hydroxyphenyl)-acetyle-amino)-7alpha-methoxy-3-(l(1-methyl-1h-tetrazol-5-yl)-thio)methyl)-8-oxo-5-oxa-1-azabicyclo(4,2,0)oct-2-ene-2-carbaoxylic acid |
| abstract |
The diamonium salt of the oxa- beta -lactam antibiotic of the formula …<CHEM>… wherein the chiral center of the alpha -carboxy-p-hydroxy-phenylacetyl side chain has the D-configuration in crystalline form substantially free of the L-diammonium salt. This invention also relates to a process for preparing the crystalline D-diammonium salt of the above formula. |
| priorityDate |
1979-05-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |