http://rdf.ncbi.nlm.nih.gov/pubchem/patent/RU-2013142360-A
Outgoing Links
| Predicate | Object |
|---|---|
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C255-51 |
| filingDate | 2013-09-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2014-01-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | RU-2013142360-A |
| titleOfInvention | 4,5-DICYANOPHTHALIC ACID AND METHOD FOR PRODUCING IT |
| abstract | 1. 4,5-dicyanophthalic acid 2. A method for producing 4,5-dicyanophthalic acid, comprising in the first step reacting 4,5-dicarboxyphthalimide with aqueous ammonia to open the imide ring to produce the 4,5-dicarboxyphthalamide ammonium salt and dehydrating the salt obtained in the second step by reacting with dehydrating agents in a molar 1: 3 ratio in dimethylformamide at -5-0 ° C and further exposure at room temperature to give 4,5-dicyanophthalic acid. 3. The method according to claim 2, characterized in that phosphorus oxychloride or thionyl chloride is used as the dehydrating agent. |
| priorityDate | 2013-09-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 22.