Predicate |
Object |
assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_2ca2e4410855da087e11bf3eea8933fa |
classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D501-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D501-59 |
classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D501-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D501-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D501-59 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D501-14 |
filingDate |
1992-11-13^^<http://www.w3.org/2001/XMLSchema#date> |
grantDate |
1994-09-27^^<http://www.w3.org/2001/XMLSchema#date> |
inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ebcfb6f271c46107072a03a606407cd3 |
publicationDate |
1994-09-27^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber |
US-5350845-A |
titleOfInvention |
Process for preparing 7-substituted-amino-3-hydroxy-3-cephem-4-protected carboxy-sulfoxide esters |
abstract |
A process for the conversion of a 4-chlorosulfonyl azetidinone (a) to a 3-hydroxy-3-cephem-sulfoxide ester (d) by subjecting an intermediate comprising a tin containing Lewis acid-type Fiedel-Crafts catalyst and 3-exomethylene cepham to ozonolysis. |
isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5578721-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-5604222-A |
priorityDate |
1992-04-08^^<http://www.w3.org/2001/XMLSchema#date> |
type |
http://data.epo.org/linked-data/def/patent/Publication |