Compounds of the Formula: ##STR1## wherein: R.sup.1 and R.sup.2 are independently hydrogen or lower alkyl, or when taken together with the carbon to which they are attached are cycloalkyl of 3 to 8 carbon atoms; R.sup.3 is fluoro lower alkyl; cyano; or nitro; R.sup.4 is ##STR2## R.sup.5 and R.sup.6 are independently hydrogen or lower alkyl; and R.sup.7 is --NR.sup.8 R.sup.9 ; wherein: R.sup.8 is hydrogen; lower alkyl; lower alkoxy; hydroxy; or hydroxy lower alkyl; and R.sup.9 is hydrogen; lower alkyl; hydroxy lower alkyl; --SO.sub.2 R.sup.10 ; --CO.sub.2 R.sup.10 ; --C(O)NR.sup.11 R.sup.12 ; --C(S)NR.sup.11 R.sup.12 ; or --C(O)R.sup.12 ; wherein R.sup.10 is lower alkyl; R.sup.11 is hydrogen or lower alkyl; and R.sup.12 is hydrogen, lower alkyl, or fluoro lower alkyl; with the proviso that R.sup.8 and R.sup.9 cannot both be hydrogen; and the pharmaceutically acceptable salts thereof. The compounds and salts exhibit useful pharmacological properties, including potassium channel activating properties and 5-lipoxygenase inhibiting properties, and in particular are useful as smooth muscle relaxants and bronchodilators.
Benzopyran derivatives as potassium channel activators and 5-lipoxygenase inhibitors
申请人:SYNTEX (U.S.A.) INC.
公开号:EP0529654A1
公开(公告)日:1993-03-03
Compounds of the Formula:
wherein:
R¹ and R² areindependently hydrogen or lower alkyl, or when taken together with the carbon to which they are attached are cycloalkyl of 3 to 8 carbon atoms;
R³ ishydrogen, halo, fluoro lower alkyl, cyano, or nitro;
R⁴ is
R⁵ and R⁶ areindependently hydrogen or lower alkyl; and
R⁷ is-NR⁸R⁹; wherein:
R⁸ ishydrogen; lower alkyl; lower alkoxy; hydroxy; or hydroxy lower alkyl; and
R⁹ ishydrogen; lower alkyl; hydroxy lower alkyl; -SO₂R¹⁰; -CO₂R¹⁰; -C(O)NR¹¹R¹²; -C(S)NR¹¹R¹²; or -C(O)R¹²; wherein
R¹⁰ islower alkyl;
R¹¹ ishydrogen or lower alkyl; and
R¹² ishydrogen, lower alkyl, or fluoro lower alkyl;
with the proviso that R⁸ and R⁹ cannot both be hydrogen; and the pharmaceutically acceptable salts thereof. The compounds and salts exhibit useful pharmacological properties, including potassium channel activating properties and 5-lipoxygenase inhibiting properties, and in particular are useful as smooth muscle relaxants and bronchodilators.
Compounds of the Formula: ##STR1## wherein: R.sup.1-7 are as defined in the specification. The compounds and salts exhibit useful pharmacological properties, including potassium channel activating properties and 5-lipoxygenase inhibiting properties, and in particular are useful as smooth muscle relaxants and bronchodilators.