http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2009131678-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_114e4423ec77cbc8dab9d0a98909704e |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07F15-008 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07F15-00 |
| filingDate | 2008-03-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_99eb02ebf41af462f752a0b30b95f617 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_256681c7ffe2bef9c2bc690e1352de6b http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_562822c13728317fd818f56c9349fc06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e1657affe07e14240046e6e10d6cca24 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f63b85f559e805cc4582c80a7c0469ec http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4e170a5335f6da3163d7d71911dabaea http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_5afa42a2cc0647be03eb7b16b743290d |
| publicationDate | 2009-05-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | US-2009131678-A1 |
| titleOfInvention | Novel reusable transition metal complex catalyst useful for the preparation of high pure quality 3,3'-diaminobenzidine and its analogues and a process thereof |
| abstract | The present invention provides a reusable transition metal complex catalyst useful for the preparation of high pure quality 3,3′-diaminobenzidine and its analogues. The present invention also provides to a process for the preparation of a reusable transition metal complex catalyst. The present invention further provides a process for the preparation of 3,3′-diaminobenzidine (DAB) or 3,3′,4,4′ Tetraminobiphenyl (TAB) using reusable transition metal complex catalyst. The high quality 3,3′-diaminobenzedine (DAB) and its analogues are prepared by coupling 4-halo-2-nitroaniline to 3,3′-dinitrobenzidine (DNB) using transition metals as catalysts followed by reduction of 3,3′-dinitrobenzidine to the corresponding substituted 3,3′-diaminobenzidine of formula 1 in high yields. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2021148934-A1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-108191674-A |
| priorityDate | 2007-11-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 148.