http://rdf.ncbi.nlm.nih.gov/pubchem/patent/KR-19980015509-A
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D501-24 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D501-04 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D501-24 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D501-22 |
| filingDate | 1996-08-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1998-05-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | KR-19980015509-A |
| titleOfInvention | Preparation method of 3-halomethyl-3-cephem |
| abstract | The present invention relates to a process for the preparation of nitrobenzyl 7-phenoxyacetimido-3-halomethyl-3-cephem-4-carboxylate, a compound of the following structural formula (I) which is an intermediate useful in the preparation of cephalosporin antibiotics Which comprises reacting a compound of the following formula (III) with a halogenating agent and a base in order to prepare a compound of the formula (II), and then reducing the compound to prepare a compound of the formula (I) directly in a single step.n n n n n n n n Wherein X is halogen. |
| priorityDate | 1996-08-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 21.