Isoquinoline derivatives suitable for use in leukotriene mediate

Details Isoquinoline derivatives suitable for use in leukotriene mediate Isoquinoline derivatives suitable for use in leukotriene mediate

1993-05-24

1995-03-28

Bernhardt, Emily

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Having -c-, wherein x is chalcogen, bonded directly to...

514309, 546139, 546141, 546142, 546145, 546149, A61K 3147, C07D40510

Patent

active

054017513

ABSTRACT:
The invention concerns a heterocycle of the formula I ##STR1## wherein Q is an optionally substituted 6-membered monocyclic or 10-membered bicyclic heterocyclic moiety containing one or two nitrogen atoms;
A is (1-6C)alkylene, (3-6C)alkenylene, (3-6C)alkynylene or cyclo(3-6C)alkylene;
X is oxy, thio, sulphinyl, sulphonyl or imino;
Ar is phenylene which may optionally bear one or two substituents or
Ar is an optionally substituted 6-membered heterocyclene moiety containing up to three nitrogen atoms;
R.sup.1 is hydrogen, (1-6C)alkyl, (3-6C)alkenyl, (3-6C)alkynyl, cyano-(1-4C)alkyl or (2-4C)alkanoyl, or optionally substituted benzoyl;
and R.sup.2 and R.sup.3 together form a group of the formula --A.sup.2 --X.sup.2 --A.sup.3 -- which, together with the carbon atom to which A.sup.2 and A.sup.3 are attached, defines a ring having 4 to 7 ring atoms, wherein A.sup.2 and A.sup.3, which may be the same or different, each is (1-4C)alkylene and X.sup.2 is oxy, thio, sulphinyl, sulphonyl or imino;
or a pharmaceutically-acceptable salt thereof.
The compounds of the invention are inhibitors of the enzyme 5-lipoxygenase.

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