| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_7ee543d33b00677fcaf96398c1783047 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61P35-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D241-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C229-16
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61P35-02 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D403-06 |
| filingDate |
2007-11-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0c47d0a37275b4ecef33d3ed55fc44af
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ff909b69185abf00efd2fb6f4ae050f0 |
| publicationDate |
2008-06-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
TW-200825068-A |
| titleOfInvention |
A new method for preparing 4,4'-(1-methyl-1,2-ethandiyl)-BIS-(2,6-piperazinedione) |
| abstract |
The present invention relates to a new method for preparing compounds of the formula (I) by the cyclization of tetraacetic acid alkyl esters of the formula (II) in the presence of ammonia and formamide as well as to the compounds of the formula (II), which are used in this method. |
| priorityDate |
2006-11-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |