http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-109627165-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_1084e7e61a53b299e0014f7373f86f95 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C67-20 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C67-307 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C67-48 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C69-63 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-307 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-20 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-48 |
| filingDate | 2018-10-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_25ab2e39041229a46b393a901fa4d010 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d836798efecdf592e7bc4f04f08a3aa4 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c550bee77a351cc5634763fc8e463973 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3474a0a6b6a5f73df9aa267c1f53ab54 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_5c43396cbc5d5e14aec4195323c5b2d7 |
| publicationDate | 2019-04-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-109627165-A |
| titleOfInvention | A kind of method for co-producing 2-fluoropropionate and ethyl difluoroacetate |
| abstract | The invention discloses a method for co-producing 2-fluoropropionate and ethyl difluoroacetate. 30～120 ℃, the reaction time is 0.5～7h, after the reaction is completed, the reaction material is cooled down, nitrogen-containing compounds are added, and rectified under reduced pressure to obtain 2-fluoropropionate product and N,N-dimethyldifluoroacetamide; (b) adding concentrated sulfuric acid to the mixture of absolute ethanol and the N,N-dimethyldifluoroacetamide obtained in step (a) and reacting, the mixture of absolute ethanol and N,N-dimethyldifluoroacetamide The molar ratio is 0.5～4.5:1, the molar ratio of concentrated sulfuric acid and N,N-dimethyldifluoroacetamide is 0.1～1.5:1, the reaction temperature is 50～170℃, the reaction time is 1～10h, and the reaction ends Cooling, liquid separation, rectification to obtain ethyl difluoroacetate product. The invention has the advantages of green environmental protection, high yield and low cost. |
| priorityDate | 2018-10-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 71.