http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-1334652-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_24aca9ded2638ea793d05360dde7a4a0 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D243-16 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D243-16 |
| filingDate | 1972-04-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 1973-10-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | GB-1334652-A |
| titleOfInvention | Purification of benzodiazepine derivatives |
| abstract | 1334652 Benzodiazepines SUMITOMO CHEMICAL CO Ltd 10 April 1972 [12 April 1971] 16478/72 Heading C2C Compounds of the general formula (R 1 = C 1-4 alkyl, C 3-6 cycloalkyl-(C 1-4 alkyl), C 1-4 alkoxy-(C 1-4 alkyl), C 1-3 acyloxy-(C 1-4 alkyl); R 2 = H, C 1-4 alkyl; X = H, halogen, NO 2 , CF 3 ; Y, Z = H, halogen, C 1-4 alkyl, NO 2 ) containing the corresponding 2, 3, 4, 5-tetrahydro-IH-1,4-benzodiazepine as an impurity are purified by treatment with an acylating agent followed by extraction with an acid. |
| priorityDate | 1971-04-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 13.