http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-S5965064-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_24aca9ded2638ea793d05360dde7a4a0 |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-52 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C253-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C309-53 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C301-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C303-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J31-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J31-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C255-58 |
| filingDate | 1982-10-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c4bad1db0a8db25c05d77680033c1f1d http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1e9db49060b2cacd0471d7d464d3b33d http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_168d37ad2515ccc4876f056ce15d5da2 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e3e9bfdd96a702c2ba734a317e76b52e |
| publicationDate | 1984-04-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-S5965064-A |
| titleOfInvention | Preparation of 1,4-diamino-2,3-dicyanoanthraquinone |
| abstract | PURPOSE: To prepare the titled compound economically in an industrial scale, by reacting 1,4-diamino-2,3-dihalogenoanthraquinone with a sulfonating agent in an aqueous medium in the presence of a quaternary ammonium compound, and reacting the product with a cyanizing agent without separating from the reaction system. n CONSTITUTION: 1,4-Diamino-2,3-dihalogenoanthraquinone is made to react with a sulfonating agent such as sodium sulfite in an aqueous medium in the presence or absence of an inert organic solvent, in the presence of a quaternary ammonium compound of formula I (R 1 and R 2 are 1W24C alkyl, etc.; R 3 and R 4 are 1W10C alkyl; X is anion residue) or formula II (R 5 is 1W24C alkyl; R 6 is H or methyl) and/or a quaternary phosphonium compound of formula III (R 7 W R 10 are 1W24C alkyl, etc.) to obtain 1,4-diaminoanthraquinone-2,3-disulfonic acid or its salt. Without separating the product from the reaction system, the compound is made to react with a cyanizing agent such as sodium cyanide to obtain the objective compound. n COPYRIGHT: (C)1984,JPO&Japio |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-S63185953-A |
| priorityDate | 1982-10-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 33.