http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-114702401-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_8ee92593d3fc749b150d614077c226a5 http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_f04e30a60ae408a7e9d832b566b387c1 |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-582 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C227-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C51-38 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C209-62 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-38 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C53-18 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C51-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C209-62 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C211-05 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C229-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C227-08 |
| filingDate | 2022-06-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ebd0f76ce464bda7440a56c63e739d9b http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_cb6a37285b4b0f076173faad354b6d26 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_569e7968ede0ea8b35ca0db89562bf44 |
| publicationDate | 2022-07-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-114702401-A |
| titleOfInvention | A kind of processing method of florfenicol by-product N,N-diethyl-2,3,3,3-tetrafluoropropionamide |
| abstract | The invention relates to the technical field of veterinary drugs, in particular to a method for treating a by-product of florfenicol, N,N-diethyl-2,3,3,3-tetrafluoropropionamide, comprising the following steps: (1) hydrolysis treatment : drop the by-products into liquid caustic soda for rectification, and collect the steamed components; (2) Filtration treatment: take the feed liquid after the rectification and undergo cooling and filtration treatment; Under the conditions of 190 ℃, 0.4-0.6MPa, the reaction was incubated for 4-6h; (4) acidification treatment: add hydrofluoric acid to the standby feed liquid to adjust the pH, evaporate the water, and collect the fractions by condensation; (5) preparation of glycine: Take fluoroacetic acid, add toluene, then cool down, add ammonia water to keep the reaction warm, concentrate until crystallization is precipitated, add methanol and stand, filter and dry. The treatment method can obtain the raw materials diethylamine and glycine used in the production of florfenicol, which greatly reduces the production cost and reduces the pollution to the environment. |
| priorityDate | 2022-06-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 55.