http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-110240573-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D263-42 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D263-42 |
| filingDate | 2019-07-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2021-06-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2021-06-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-110240573-B |
| titleOfInvention | Method for preparing polysubstituted oxazole compound |
| abstract | The invention discloses a method for preparing a polysubstituted oxazole compound, which comprises the following steps: in the presence of an acid-binding agent, to the formula IIAdding phosgene, diphosgene or triphosgene solution into the solution of the compound, and then adding an auxiliary agent for reaction to obtain the polysubstituted oxazole compound shown in the formula (I); the auxiliary agent is organic acid. The method can improve the yield of the product oxazole and simultaneously reduce the content of the by-product N, N-diethyl formyl chloride. |
| priorityDate | 2019-07-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 102.