Therapeutic phenoxyalkylpyridazines and intermediates therefor
US5665763A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 30, 1996 |
| Grant date | Sep 9, 1997 |
| Priority date | — |
| Expiry date | Aug 30, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D413/14
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of the formula ##STR1## wherein: R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are as defined in the specification, PA1 Y is alkylene of 3 to 9 carbon atoms, PA1 R.sub.5 is alkoxycarbonyl, alkyltetrazolyl, phenyl or a heterocycle chosen from benzoxazolyl, benzathiazolyl, thiadiazolyl, imidazolyl, dihydroimidazolyl, oxazolyl, thiazolyl, oxadiazolyl, pyrazolyl, oxazolinyl, isoxazolyl, isothiazolyl, furyl, triazolyl, thiophenyl, pyridyl, pyrimidinyl, pyrazinyl, pyridazinyl or any of the above substituted with alkyl, alkoxyalkyl, cycloalkyl, halo alkyl, hydroxyalkyl, alkoxy, hydroxy, halo, furyl, thienyl, fluoroalkyl; or a pharmaceutically acceptable acid addition salts thereof; N-oxides thereof, are useful as antipirconaviral agents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.