http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-108727224-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/C07C253-20 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C257-14 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61K31-13 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D471-04 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D471-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C257-14 |
| filingDate | 2018-04-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2021-03-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2021-03-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-108727224-B |
| titleOfInvention | Process for preparing intermediates for the synthesis of pharmaceuticals |
| abstract | The invention relates to a preparation method of an intermediate for drug synthesis. Specifically, the present invention relates to a preparation method capable of preparing a compound of the following formula 2 under mild conditions, which is essentially used in the preparation of a compound of the following formula 1, the compound of the following formula 1 being an intermediate for synthesizing a DPP-IV inhibiting therapeutic agent for diabetes, and finally manufacturing the compound of the formula 1 in high yield and purity. Wherein R1, R2, R3, R4, R5 and P1 are defined in the specification. |
| priorityDate | 2017-04-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 115.