| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_dee3727dba91e4e7aa3b26ce9efbcc21 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D471-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D487-14 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D471-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D487-14 |
| filingDate |
2008-03-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate |
2009-10-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-2107059-A1 |
| titleOfInvention |
Conversion of tryptophan into ß-carboline derivatives |
| abstract |
The invention belongs in the field of organic chemistry and relates to a new shortened Pictet-Spengler type reaction for preparing isomerically pure β-carboline compounds useful for the synthesis of tadalafil. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2012107549-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8829023-B2 |
| priorityDate |
2008-03-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |