http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-110903254-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-55 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D487-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D487-14 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D241-20 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D487-14 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D487-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D241-20 |
| filingDate | 2018-09-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2022-11-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2022-11-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-110903254-B |
| titleOfInvention | A kind of synthetic method applied to JAK inhibitor drug heterocyclic intermediate |
| abstract | The application relates to a synthesis method for a heterocyclic intermediate of a JAK inhibitor drug, and relates to the field of synthesis of a drug intermediate. Specifically, it relates to a preparation method of a heterocycle synthesis JAK inhibitor intermediate, and provides a preparation method for synthesizing a compound of formula III through coupling and ring closure reactions. The compound of formula III can be applied to the synthesis of JAK inhibitor drugs such as urcitinib. The raw materials involved in the method of this application are easy to obtain and cheap, easy to operate, economical and environmentally friendly, and conducive to industrial production. . |
| priorityDate | 2018-09-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 37.