3-Methylsulfonylmethyl-4-quinolinones useful for treating hypertension
申请人:The Boots Company PLC
公开号:US04447435A1
公开(公告)日:1984-05-08
Novel quinolones of the general formula ##STR1## wherein n is 0, 1 or 2; R.sub.1 is C.sub.1-4 alkyl; and R.sub.3 is hydrogen, C.sub.1-4 alkyl, methoxy, methylthio, halo or trifluoromethyl. These compounds have antihypertensive activity and may be used for treating hypertension in mammals. The quinolones are administered in novel therapeutic compositions comprising a quinolone of the above general formula together with a pharmaceutically acceptable carrier. Processes for making the novel quinolones are described.
Quinolone derivatives and their use as pharmaceuticals
申请人:Lilly Industries Limited
公开号:EP0055068A1
公开(公告)日:1982-06-30
Compounds of the following formula are described:
in which n is 0, 1 or 2, R1 is C1-4alkyl, C1-4alkoxy, C1-4alkylthio, C1-4 alkylsulphonyl, trifluoromethyl, halo or nitro, and R2 and R3 are each independently hydrogen or C1-4 alkyl, and salts thereof. The compounds are useful in the treatment of immediate hypersensitivity conditions and are prepared by reaction of the appropriate formylquinolone with malonic acid, ylid or phosphonate.