| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_a36c66685971b78daf233b5999ead4c2 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D409-14
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D405-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61K31-4433
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61P29-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D311-96
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61P25-08 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D409-14
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D405-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D311-96 |
| filingDate |
2018-09-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2021-09-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7250b8fb8ef3dd7c8ba4f0f221150ff5
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_08a93b2b44cf7fb1a599f954385abe14
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6741b6aff20ff731549b0cf52826dc1b |
| publicationDate |
2021-09-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-11111236-B2 |
| titleOfInvention |
Method for preparing oxaspirocycle derivative, and intermediate thereof |
| abstract |
A method for preparing an oxaspirocycle derivative and an intermediate thereof are described. The method reduces reaction steps, improves reaction yield, is simple and easy to operate, and is favorable for industrial large-scale production. |
| priorityDate |
2017-09-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |