http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2005038260-A1
Outgoing Links
Predicate | Object |
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classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07F3-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07F3-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D495-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D233-34 |
classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D277-14 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D233-32 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D495-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07F3-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07F3-02 |
filingDate | 2002-12-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4b6a968527a2924b20968e93de76f067 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_04f0258cc4ac8df891a49c1a6ec386c0 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4f17880434a6d164920a5ff9fedfa202 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0563b7f8e40469786dc22daa2b09e6d7 |
publicationDate | 2005-02-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber | US-2005038260-A1 |
titleOfInvention | Intermediate for biotin and process for producing the same |
abstract | The present invention is to provide a process for preparing a synthetic intermediate of biotin which is industrially advantageous, and discloses a process for preparing a compound represented by the formula (I): n n wherein R 1 and R 2 may be the same or different from each other, and each represents hydrogen atom, a benzyl group which may have a substituent(s) on the benzene ring, a benzhydryl group which may have a substituent(s) on the benzen ring, or a trityl group which may have a substituent(s) on the benzene ring, R 3 represents cyano group, carboxyl group, an alkoxycarbonyl group, an alkylthiocarbonyl group, or a carbamoyl group which may have a substituent, n nor a salt thereof which comprises subjecting a compound represented by the formula (II-a): n nwherein the symbols have the same meanings as defined above, or a salt thereof to ring transformation. |
priorityDate | 2001-12-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 397.