http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-1338399-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_73ee0bacab5a7576a6a3244747f6ea99 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D213-22 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D213-22 |
| filingDate | 1970-08-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1973-11-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | GB-1338399-A |
| titleOfInvention | Manufacture of bipyridyls |
| abstract | 1338399 Bipyridyls IMPERIAL CHEMICAL INDUSTRIES Ltd 27 July 1971 [17 Aug 1970] 39481/70 Heading C2C 2,21-, 4,4<SP>1</SP>- or 2,4<SP>1</SP>-Bipyridyls are prepared by heating pyridine or an alkylpyridine which is unsubstituted in the 2- and/or 4-positions of the ring with (a) Cl 2 , Br 2 or I 2 , (b) a 4-bromo-, 4- chloro-, or 4-iodo pyridine or a derivative thereof having one or more alkyl substituents in the ring, or (c) a 1-(4-pyridyl)-pyridinium bromide, chloride or iodide or derivative thereof having one or more alkyl substituents in one or both of the pyridine rings, in the liquid phase at superatmospheric pressure at a temperature of at least 150 C. |
| priorityDate | 1970-08-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 24.