Isoquinoline derivative
US4824952A · kind A · utility
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4Claims
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Key dates
| Filing date | Jul 12, 1985 |
| Grant date | Apr 25, 1989 |
| Priority date | — |
| Expiry date | Jul 12, 2005 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D405/04
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
An isoquinoline derivative of the following formula: ##STR1## wherein R.sub.1 is a methyl or a methoxymethyl group and R.sub.2 and R.sub.3 are each a hydrogen atom or a methyl, ethyl, methoxy, a cyclohexyl, a phenyl, a 3,4-dimethoxyphenyl, a pyridyl or an oxo (.dbd.O) group; and therapeutically acceptable salts thereof which exhibit a low toxicity and a wide range of safety and are highly useful as a cardiotonic medication.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.