http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-105294515-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C309-87 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C303-10 |
| filingDate | 2015-11-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2017-10-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2017-10-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-105294515-B |
| titleOfInvention | The preparation method of 2 (2 ', 2 ' difluoroethoxy) 6 trifluoromethyl benzene sulfonyl chloride |
| abstract | The invention provides the preparation method of 2 (2 ', 2 ' difluoroethoxy) 6 trifluoromethyl benzene sulfonyl chloride, comprise the following steps：(1) into the organic solvent for containing 2,2 difluoroethanols and alkali, compound (I) or sulphonic acid anhydride, after reaction completely, compound (II) is obtained, sulfonic acid chloride is alkyl sulfonyl chloride or benzene sulfonyl chloride, and sulphonyl acid anhydride is alkyl sulfonyl acid anhydride or benzene sulfonyl acid anhydride；(2) m-trifluoromethyl phenol, compound (II) and alkali are added in organic solvent, heated, stirring after reaction completely, obtains compound (III)；(3) accelerator, compound (III) are added in organic solvent, highly basic is added, sulfonic acid chloride is added in above-mentioned reaction solution, after reaction completely, it is purified to obtain 2 (2 ', 2 ' difluoroethoxy) 6 trifluoromethyl benzene sulfonyl chloride.The preparation method of 2 (2 ', 2 ' difluoroethoxy) 6 trifluoromethyl benzene sulfonyl chloride of the present invention is succinct, efficient, easy to operate, safe and reliable, substantially increases the combined coefficient of penoxsuam. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-108530323-A |
| priorityDate | 2015-11-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 103.