http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4196286-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_79751aeaa9923745648e5ae7d9c35782 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09B19-00 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B19-00 |
| filingDate | 1977-12-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 1980-04-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_60e223217fa502c22eb3777450e80c83 |
| publicationDate | 1980-04-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | US-4196286-A |
| titleOfInvention | Process for the manufacture of basic oxazine dyestuffs |
| abstract | Process for the manufacture of a basic oxazine dyestuff of the formula (1) ##STR1## in which R, R 2 and R 3 denote alkyl with 1 to 4 carbon atoms and R 1 denotes H or alkyl with 1 to 4 carbon atoms, or R and R 1 , or R 2 and R 3 , conjointly with the amine nitrogen also form a saturated 5-membered or 6-membered ring, which optionally contains further hetero-atoms, R 4 denotes H or methyl and X .sup.⊖ ##STR2## in which the R's, independently of one another, and R 1 and R 4 have the meaning indicated under formula (1), is nitrosylated in a cyclic ether, sulpholane or an alkyl-substituted amide, optionally mixed with water or an aliphatic alcohol, and the resulting suspension, which contains the nitroso compound, is subjected, without intermediate isolation of the said nitroso compound, to a condensation reaction with an aminophenol of the formula (3) ##STR3## in which R 2 and R 3 have the meaning indicated under formula (1). |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/GB-2268506-A |
| priorityDate | 1975-07-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 101.