Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
Patent
1987-11-24
1990-04-24
Ford, John M.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
Heterocyclic carbon compounds containing a hetero ring...
544184, C07D47104, C07D48704, C07D51304, A61K 3153
Patent
active
049201190
ABSTRACT:
Compounds of the formula ##STR1## wherein A represents a grouping of the formula ##STR2## in which R.sup.1 and R.sup.2 each individually represent hydrogen, halogen, trifluoromethyl, nitro, amino, cyano, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.3 -C.sub.6 -alkenyloxy, C.sub.1 -C.sub.6 -alkylthio, C.sub.1 14 C.sub.6 -alkanoylamino, aryloxy, aryl-(C.sub.1 -C.sub.6 -alkyl), aryl-(C.sub.1 -C.sub.6 -alkoxy), aryl-(C.sub.1 -C.sub.6 -alkoxy)carbonylamino or a group of the formula --O--CH.sub.2 --R.sup.3 or R.sup.1 and R.sup.2 on adjacent carbon atoms together represent a group of the formula --CH.dbd.CH--CH.dbd.CH-- or --CH.sub.2 --CH.sub.2 --O-- and R.sup.3 represents hydroxy-(C.sub.1 -C.sub.4 -alkyl) or vicinal dihydroxy-(C.sub.2 -C.sub.5 -alkyl), and pharmaceutically acceptable acid addition salts of those compounds of formula I in which R.sup.1 and/or R.sup.2 represents amino, possess xanthine oxidase inhibiting activity and can be used as medicaments, particularly for the control or prevention of ischemia or gout. These compounds can be manufactured according to known methods.
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Attwood Michael R.
Crackett Peter H.
Lawton Geoffrey
Ford John M.
Gould George M.
Hoffmann-La Roche Inc.
Johnston George W.
Leon Bernard S.
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