http://rdf.ncbi.nlm.nih.gov/pubchem/patent/RU-2409571-C2
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_2ea17ba87480b776cce77451f86b25bb |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y02P20-55 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D305-14 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61K31-337 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61P35-00 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K31-337 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D305-14 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61P35-00 |
| filingDate | 2006-04-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2011-01-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3b617a29f87b0fdfc12a5d7f3f8493f4 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c1a5cb22ab6995f3d42ff93eb5b3629d |
| publicationDate | 2011-01-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | RU-2409571-C2 |
| titleOfInvention | Method of cleaning 10-deacetylbaccatine iii from 10-deacetyl-2-debenzoyl-2-pentenoylbaccatine iii |
| abstract | FIELD: chemistry. n SUBSTANCE: invention relates to a method of obtaining 10-deacetylbaccatine III with purity of over 99%, which does not contain 10-deacetyl-2-debenzoyl-2-pentenoylbaccatine III. The disclosed method includes: a) treating crude 10-deacetylbaccatine III with an activated derivative of trichloroacetic acid; b) carrying out chromatography on silica gel and elution of 7,10-bis-trichloroacetyl-10-deacetylbaccatine III with dichloromethane or a dichloromethane/ethylacetate mixture; and c) treatment of 10-deacetyl-7,10-bis-trichloroacetylbaccatine III with an alkali followed by crystallisation. The invention also relates to production of paclitaxel, which involves production of 10-deacetylbaccatine III using the disclosed method and its subsequent conversion to N-debenzoylpaclitaxel with its subsequent benzoylation. n EFFECT: convenient semi-synthesis of anti-tumour agents with a taxane backbone, which enables to avoid laborious methods of removing corresponding 2-debenzoyl-2-pentenoyl analogues. n 7 cl, 1 tbl, 3 ex |
| priorityDate | 2005-04-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 54.