http://rdf.ncbi.nlm.nih.gov/pubchem/patent/DE-3921830-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_3b9f373878f16dc291ff597162e9b344 |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-55 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D499-88 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D499-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D499-897 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D499-88 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D499-04 |
| filingDate | 1989-07-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_5f614394d195a8d5e81e0d8d218b61f8 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e8df99021706a3464253ba0b6e6e71c4 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_bc0177da66f4e68838b95b6874cb271f |
| publicationDate | 1990-02-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | DE-3921830-A1 |
| titleOfInvention | METHOD FOR PRODUCING PENEMAS |
| abstract | Antibacterial penems of formula (I): <IMAGE> wherein R represents a) alkanoyloxymethyl or 1-(alkanoyloxy)ethyl wherein the alkanoyl moiety is a C2-C10 alkanoyl or C4-C8 cycloalkanoyl group; b) benzoyloxymethyl or 1-(benzoyloxy)ethyl; c) alkoxycarbonyloxymethyl or 1- (alkoxycarbonyloxy)ethyl; d) 3-phthalidyl; e) 2-oxo-1,3-dioxolan-4-yl unsubstituted or substituted by a C1-C4 alkyl group in the 5 position; f) -CH2COOR' wherein R' is a C1-C4 alkyl or benzyl; or g) 2-oxotetrahydrofuran-5-yl unsubstituted or substituted by a C1-C4 alkyl group at the 4 position; R1 is tetrahydrofuranyl or an unsubstituted or substituted C1-C4 alkyl, methylphenyl or methylphenoxymethyl group, the substituents being chosen from the groups: (i) carbamoyloxy, C1-C18 alkoxy, carboxy or free or protected hydroxy, and (ii) unsubstituted or substituted and/or fused pyridinium, N-methylpyrrolidinium or piperidinium, the substituents being a said group (i) or a C1-C4 alkyl group unsubstituted or substituted by a sulfonyloxy or carboxy group; and R2 represents a hydrogen atom or a hydroxy protecting group; are prepared by reducing a compound of formula (II> <IMAGE> wherein R, R1 and R2 are as defined above. |
| priorityDate | 1988-07-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 62.