http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-107082755-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C319-14 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C319-24 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C319-14 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C323-25 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C319-24 |
| filingDate | 2017-03-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2019-06-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2019-06-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-107082755-B |
| titleOfInvention | A kind of preparation method of diethylamino ethanethiol impurity |
| abstract | The present invention relates to a kind of preparation method of diethylamino ethanethiol impurity, the preparation method of the impurity B be 1:1 ~ 1:1.5 by molar ratio diethylamino ethanethiol and thiirane be added in petroleum ether, maintain the temperature between -3 ~ -8 DEG C, stir 3-15h；It is that the impurity B of 1:1 ~ 1.5 and thiirane are added in petroleum ether that the preparation method of the impurity C, which is by molar ratio, is maintained the temperature between -2 ~ -8 DEG C, and 3-15h is stirred；It is that the impurity C of 1:1 ~ 1.5 and thiirane are added in petroleum ether that the preparation method of the impurity D, which is by molar ratio, is maintained the temperature between -2 ~ -8 DEG C, and 3-15h is stirred；The present invention can be used as impurity reference substance, be conducive to the quality control of diethylamino ethanethiol in production process. |
| priorityDate | 2017-03-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 29.