| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_a9aba25b5da9610c2dc4ae08e7932057 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D405-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D311-68
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D311-70 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D405-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D311-68
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D311-70 |
| filingDate |
1990-12-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1991-12-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_07c41b2799c2eed094eccdf54c0a59bd
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_20c4d1237e7e4667014fef9778d4b863 |
| publicationDate |
1991-12-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-5072006-A |
| titleOfInvention |
Novel benzopyranylpyrrolinone derivatives |
| abstract |
Compounds of the formula <IMAGE> (I) wherein: R1 is cyano or nitro; R2 and R3 are independently hydrogen or lower alkyl; and R4 is alkyl; alkenyl; optionally substituted phenyl or phenyl lower alkyl; -(CH2)mOR2 or -(CH2)mN(R2)2; wherein m is an integer of 1-5 and R2 is as defined above; or a pharmaceutically acceptable ester thereof; are smooth muscle relaxants, particularly useful in the treatment of hypertension. |
| priorityDate |
1988-12-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |