http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-H11236387-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_0b1c7560aa50b0da1769cd5b6f735b69 |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-55 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D501-22 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D501-08 |
| filingDate | 1998-02-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_80289b3300964cfa69ae6b183dadf4a7 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f6cca2d5b3af28381cd517cdecb6a061 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_40f28e68ed4faff0955029418ed719c9 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2ea92548407df740745ae0a7e7256653 |
| publicationDate | 1999-08-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-H11236387-A |
| titleOfInvention | Method for producing 3-cephem compound |
| abstract | PROBLEM TO BE SOLVED: To provide a useful antibacterial agent intermediate having a broad antibacterial spectrum from halogenated β-lactam compounds which can be easily derived in a short reaction step starting from inexpensive penicillin. -To provide a novel technique capable of easily producing a cephem compound by a simple reaction operation and industrially advantageous reaction conditions. SOLUTION: The halogenated β- represented by the general formula (1) The lactam compound is reacted with an alkenyl tin compound represented by the general formula (2) in the presence of a copper salt and a nitrogen-containing heterocyclic aromatic compound to obtain a 3-cephem compound represented by the general formula (3) A method for producing a 3-cephem compound, comprising: Embedded image (In the formula, R 1 represents a hydrogen atom, R 2 represents a hydrogen atom, R 3 represents a hydrogen atom, etc. R 4 represents an aryl group which may have a substituent. shown, X is .Y showing a halogen atom is a halogen atom or a leaving group.) R 5 SnR 6 3 ( 2) ( wherein R 5 which may have a substituent 1 or 2 -Represents an alkenyl group. R 6 represents a lower alkyl group. ) (In the formula, R 1 , R 2 , R 3 , and R 5 are the same as described above.) |
| priorityDate | 1998-02-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 135.