Compounds having cardiotonic activity
US5002944A · kind A · utility
7Cited by
4References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 11, 1989 |
| Grant date | Mar 26, 1991 |
| Priority date | — |
| Expiry date | May 11, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D475/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds useful for increasing cardiotonic contractility in humans or other animals and pharmaceutical compositions including these compounds are disclosed. The compounds have the general structure: ##STR1## where A is ##STR2## R.sub.1, R.sub.2, R.sub.3, R.sub.4, R.sub.9, and R.sub.10 are H, lower alkyl of 1-4 carbon atoms, phenyl, substituted phenyl, phenyl lower alkyl of 1-4 carbon atoms or substituted phenyl lower alkyl of 1-4 carbon atoms; and n is 0 or 1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.