http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-107473962-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07B2200-07 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C67-03 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C303-28 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C67-31 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-03 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C69-712 |
| filingDate | 2017-08-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2021-12-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2021-12-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-107473962-B |
| titleOfInvention | A kind of preparation method of (R)-2-(4-chloro-2-methylphenoxy) octyl propionate root inhibitor |
| abstract | The invention discloses a preparation method of (R)-2-(4-chloro-2-methylphenoxy) octyl propionate which can be used as a root inhibitor, comprising: using L-ethyl lactate as a raw material, and Tosyl chloride is sulfonated to obtain the corresponding sulfonyl ester compound; the sulfonyl ester compound is etherified with 4-chloro-o-cresol to obtain the corresponding aromatic ether ester compound; the ether ester compound is finally transesterified with n-octanol , obtain (R)-2-(4-chloro-2-methylphenoxy) octyl propionate. The optical content of (R)-2-(4-chloro-2-methylphenoxy) octyl propionate obtained by the method provided by the invention is high, the optical loss of the raw material is small, and the yield is high. The invention establishes a reaction system with simple preparation process, mild reaction conditions and low cost, thereby solving the problem that the compound depends on imports and the source is scarce to a certain extent. |
| priorityDate | 2017-08-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 59.