http://rdf.ncbi.nlm.nih.gov/pubchem/patent/RU-2702331-C1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_a6cb24184bae5d5de002772bc9835d0a |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D207-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D207-06 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D207-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D207-06 |
| filingDate | 2019-06-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2019-10-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_79ed0d60c77d08fd1bea288e04b8aaf7 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_928eb1c3b3e73840447926b3c211cc6b http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e6fee9ed4ca62e575e46034e2ed32697 |
| publicationDate | 2019-10-08-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | RU-2702331-C1 |
| titleOfInvention | Method of producing 2,2,5,5-tetraethyl-3-carboxypyrrolidine-1-oxyl |
| abstract | FIELD: chemistry. n SUBSTANCE: invention relates to a method of producing 2,2,5,5-tetraethyl-3-carboxypyrrolidine-1-oxyl of formula I n , n in which the end product is obtained in two steps: obtaining 2,5,5-triethyl-4-carboxy-1-pyrroline-1-oxide (II) through a three-component domino reaction involving α-aminobutyric acid, diethyl ketone and dimethyl fumarate in a mixture of DMF/toluene at boiling point, followed by oxidation with 30 % hydrogen peroxide in the presence of a catalyst and decarboxylation and reaction thereof with ethynyl magnesium bromide, followed by hydrogenation in the presence of catalyst of 4 % palladium on carbon and obtaining 2,2,5,5-tetraethyl-3-carboxypyrroline-1-oxyl. n EFFECT: disclosed is a method of producing 2,2,5,5-tetraethyl-3-carboxypyrrolidine-1-oxyl. n 6 cl, 1 dwg, 2 ex |
| priorityDate | 2019-06-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 68.