Therapeutic phenoxyalklpyridazines and intermediates therefor
US5514679A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | May 13, 1994 |
| Grant date | May 7, 1996 |
| Priority date | — |
| Expiry date | May 13, 2014 |
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 and R.sub.2 are independently hydrogen, halo, alkyl, alkenyl, alkoxy, hydroxy, hydroxyalkyl, hydroxyhaloalkyl, alkoxyalkyl, alkylthioalkynyl, hydroxyalkoxy, alkylthioalkyl, alkylsulfinylalkyl, alkylsulfonylalkyl, amino, aminoalkyl, alkylaminoalkyl, dialkylaminoalkyl, alkoxycarbonyl, carboxy or cyanomethyl, nitro, difluoromethyl, trifluoromethyl or cyano; Y is alkylene of 3 to 9 carbon atoms; R.sub.3 and R.sub.4 are independently hydrogen, alkyl, alkoxy, hydroxy, cycloalkyl, hydroxyalkyl, hydroxyhaloalkyl, alkoxyalkyl, hydroxyalkoxy, alkylthioalkyl, alkanoyl, alkanoyloxy, alkylsulfinylalkyl, alkylsulfonylalkyl, aminoalkyl, alkylaminoalkyl, dialkylaminoalkyl, alkoxycarbonyl, carboxy, cyanomethyl, fluoroalkyl, cyano, phenyl, alkynyl, alkene, or halo; R.sub.5 is alkoxycarbonyl, alkyltetrazolyl, phenyl or a heterocycle; 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.