http://rdf.ncbi.nlm.nih.gov/pubchem/patent/TW-200714580-A
Outgoing Links
Predicate | Object |
---|---|
assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_32d53baed267ca5ec2dde6e05e001e49 |
classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C401-00 |
classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C401-00 |
filingDate | 2005-10-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_572d661beb9dedc026f3784b0ea09239 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3e4e5fe862e8ddb4fc41f0f92d67f279 |
publicationDate | 2007-04-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber | TW-200714580-A |
titleOfInvention | Process for preparing vitamin D analogs |
abstract | A method for preparing derivatives of C1-hydroxy-C24-hydroxy-vitamin D is disclosed. Especially the method for preparing calcipotriol and tacalcitol from a starting material of Vitamin D2 is disclosed here. Calcipotriol (compound 1 (a)) and Tacalcitol (compound 1 (b)) can be synthesized through the method of the present invention. Moreover, only nine steps are needed for the synthesis of calcipotriol through the method. Likewise, only ten steps are needed for the synthesis of tacalcitol through the present method. Hence, the complicate steps for the conventional preparing process and the poor yield of the prior art can be improved through the present method. |
isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-108178742-A http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-108178742-B |
priorityDate | 2005-10-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 20.