| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_f3fd1afe3264d1076b11f3f63e282359 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D493-04 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D493-04 |
| filingDate |
1996-12-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1998-02-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_20d1a0421402870ca9a27109ea01ed37 |
| publicationDate |
1998-02-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-5721371-A |
| titleOfInvention |
Synthesis of substituted pterocarpans |
| abstract |
The present invention provides a method of synthesizing compounds of formula (I): <IMAGE> (I) wherein R1 and R3 are independently H or (C1-C4)alkyl-O-; R2 is R5C(O)- where R5 is (C1-C4)alkyl or H; and R4 is H, (C1-C4)alkyl or (C5-C7)aryl optionally substituted with (C1-C4)alkyl or halo. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-2295031-A2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2006004087-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8835489-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8633203-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2011034486-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2009208432-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2007128725-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2010054452-A1 |
| priorityDate |
1995-12-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |