http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5296613-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_0d78cd2835221849f6a74e6349185819 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D205-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D477-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D309-30 |
| classificationIPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D209-00 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D205-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D205-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C235-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D487-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D477-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D309-30 |
| filingDate | 1992-07-23^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 1994-03-22^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f4567a4f0437960a22fed5ac7081fce5 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a3efe96e196bd5a09ea5a747ad351ef3 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_eecd5f7a427548b26c924b358d451618 |
| publicationDate | 1994-03-22^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | US-5296613-A |
| titleOfInvention | Pyran derivatives |
| abstract | Compounds of formula I: <IMAGE> (I) wherein: R1 is hydrogen or alkyl; R2 is alkyl optionally substituted by one or more alkoxy groups or halogen atoms; X is a group of formula -OR3 wherein R3 is alkyl, cycloalkyl, or arylalkyl; or X is a group of formula -NHCVR4 wherein V is oxygen or sulphur, R4 is hydrogen, alkyl, cycloalkyl (which alkyl and cycloalkyl groups may be substituted), alkenyl, aryl, arylalkyl, amino, mono- or di-alkylamino or a group of the formula -OR5 wherein R5 is optionally substituted alkyl, aryl or arylalkyl; or X is a group of formula -NHSO2R4a wherein R4a is alkyl, aryl or a group of formula -CH2COR4b wherein R4b is alkyl or aryl; Y is optionally substituted alkoxy, cycloalkoxy, arylalkoxy or a group of formula -NR6R7 wherein R6 is hydrogen or alkyl and R7 is alkyl, cycloalkyl (which alkyl and cycloalkyl groups may be substituted), aryl or arylalkyl or R7 is a group of formula -COOR8 wherein R8 is alkyl are useful intermediates in the synthesis of beta-lactam antibiotics. |
| priorityDate | 1985-12-23^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
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