申请人:Alter, S.A.
公开号:US05177211A1
公开(公告)日:1993-01-05
4-alkyl-1,4-dihyropyridines, with PAF-antagonist activity, of formula (I) wherein R is saturated C.sub.1 -C.sub.4, R' is saturated C.sub.1 -C.sub.6 alkyl which may be interrupted by an oxygen atom, or 2-tetrahydrofurfuryl and R.sup.2 is saturated C.sub.1 -C.sub.4 or phenyl, the compound wherein R is methyl, R' is ethyl and R.sup.2 is phenyl remain excluded, are described. The compounds (I) are prepared by: (a) reaction of (II) with (III); (b) reaction of (IV) with (V); (c) reaction of (VI) with (III) and with (VII); (d) reaction of (VIII) with (V) and with (VII); or (e) reaction of (VIII) with (VI) and with (VII) in the presence of ammonia. The compounds (I) are useful due to their antagonist activity of the platelet activating factor. ##STR1##
4-烷基-1,4-二氢吡啶,具有PAF拮抗活性,其化学式为(I),其中R为饱和的C.sub.1-C.sub.4,R'为饱和的C.sub.1-C.sub.6烷基,可以被氧原子中断,或2-四氢呋喃基,R.sup.2为饱和的C.sub.1-C.sub.4或苯基,其中化合物中R为甲基,R'为乙基,R.sup.2为苯基除外。化合物(I)通过以下方法制备:(a)将(II)与(III)反应;(b)将(IV)与(V)反应;(c)将(VI)与(III)和(VII)反应;(d)将(VIII)与(V)和(VII)反应;或(e)将(VIII)与(VI)和(VII)在氨的存在下反应。由于其拮抗血小板活化因子的活性,化合物(I)具有实用价值。