http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-109293626-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D333-64 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D495-04 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D495-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D333-64 |
| filingDate | 2018-10-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2021-11-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2021-11-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-109293626-B |
| titleOfInvention | Preparation method of aromatic ring [ b ] thiophene-3 (2H) -ketone-1, 1-dioxide |
| abstract | The invention provides a preparation method of aromatic ring [ b ] thiophene-3 (2H) -ketone-1, 1-dioxide, which comprises the following steps: reacting a compound shown in a formula I with an oxidant to obtain the aromatic ring [ b ] thiophene-3 (2H) -ketone-1, 1-dioxide; the invention also provides a preparation method of the compound shown in the formula I; the preparation method provided by the invention has the advantages of high reaction yield, high reaction speed, easily available raw materials, low cost, mild reaction, easy control, simple post-treatment, little generated waste and little pollution, and compared with the defects of high synthesis cost, complex post-treatment, more three wastes in the reaction process, large pollution and low yield in the existing method, the method provided by the invention provides a feasible synthesis route for green chemical industry and has higher production and application values. |
| priorityDate | 2018-10-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 112.