| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_5ab8d5e4558668a6dd1124fec4302976 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-55 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C211-03 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C211-03 |
| filingDate |
2001-02-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4d3c2cd541157c939681cb2d78f0ef58
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1375c2c2ccdc2b4b0ea5fd7813130060
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c7cde7e509031fb575eea579a9c0bded
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8141373fef4a786af8272eac7ebeea60
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_160677ca188233ba68242bb9df6ee3d7
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6499e4cd814e3d4924f348dac756e1cc
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f8abadb12ddf6a670e2c8203ce5e4bf5 |
| publicationDate |
2002-09-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
KR-20020069437-A |
| titleOfInvention |
4-hydroxyphenylglycine anhydrides and process for the preparation thereof |
| abstract |
The present invention relates to 4-hydroxyphenylglycine anhydrides of formula (1) which can be used as intermediates in the preparation of oral cephalosporin-based antibiotics, and to a preparation method thereof. According to the method of the present invention, which comprises reacting pivaloyl halide in the presence of a base, 4-hydroxyphenylglycine anhydride of formula (1) can be easily prepared, which can be used to prepare oral cephalosporin antibiotics. It is very useful as an intermediate.n n n n n n n n n n In the formula, R means amino protecting group. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7544797-B2 |
| priorityDate |
2001-02-26-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |