Imidazopyridayine derivatives having antiviral activity
US4690917A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 22, 1985 |
| Grant date | Sep 1, 1987 |
| Priority date | — |
| Expiry date | Nov 22, 2005 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P20/55
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of the formula: ##STR1## wherein R.sub.1, R.sub.3 and R.sub.4 each independently represents a hydrogen atom or a protecting group; PA0 R.sub.2 represents a halogen atom or a group of formula --NR.sub.a R.sub.b (where R.sub.a and R.sub.b, which may be the same or different, each represents a hydrogen atom or an alkyl group; or R.sub.a and R.sub.b may be linked to form, together with the nitrogen atom to which they are attached, a heterocyclic ring which optionally contains a further heteroatom); PA0 and their physiological equivalents as well as salts thereof with acids, exhibit antiviral activity against RNA viruses such as Influenza and/or are intermeidates for the preparation of antivirally active compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.