| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_94ff2d78578d95d1e8d3a2233c76188d |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J2531-96
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J2531-72 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07F13-005
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B01J31-182
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D487-08 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07F13-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J31-18
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D487-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00 |
| filingDate |
1999-11-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b374dba791b03309a9e1027e726f2bfe
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_39e75b76635bcc35dbf8d8e34d77c268 |
| publicationDate |
2000-06-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
CA-2348893-A1 |
| titleOfInvention |
Process for preparing cross-bridged tetraaza macrocycles |
| abstract |
The present invention relates to a process for preparing a cross-bridged tetraaza macrocyclic ligand having formula (I) wherein each R is independently C1-C8 linear or branched alkyl, -(CH2)xCO2M, and mixtures thereof; provided both of the R units are not methyl; M is hydrogen or a salt forming cation; x is from 1 to 6; each index n is independently from 0 to 3; by contacting a di-quaternary cis tetracycle precursor with hydrogen in the presence of a palladium catalyst in an aqueous solution having a pH of at least about 10 at a temperature of about 40 ~C to about 100 ~C. |
| priorityDate |
1998-11-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |