| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_d202e9e866984fe229f6facc38f1d740 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D215-18 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D217-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D215-50
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D215-18 |
| filingDate |
1992-10-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e00e041074c9243a560f34b2c673dcb8
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_595dccbfcb066669993b45fd8dbf9f9c |
| publicationDate |
1993-08-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
JP-H05213886-A |
| titleOfInvention |
7-chloroquinaldine improved synthetic method |
| abstract |
(57) [Summary] [Structure] Doebner-Mi of 7-chloroquinaldine, which is a starting material for preparation of leukotriene antagonists. Tetrachloro- An improved method utilizing 1,4 (or 1,2) -quinone. [Effect] In addition to improving the yield, this method can eliminate the ZnCl 2 complex formation necessary for isolating the final product. |
| priorityDate |
1991-10-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |