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    • 6. 发明授权
    • Aryl pyrimidine derivatives and uses thereof
    • 芳基嘧啶衍生物及其用途
    • US5958934A
    • 1999-09-28
    • US976418
    • 1997-11-21
    • Jacob BergerLee Allen FlippinRobert GreenhouseSaul Jaime-FigueroaYanzhou LiuAubry Kern MillerDavid George PutmanKlaus Kurt WeinhardtShu-Hai Zhao
    • Jacob BergerLee Allen FlippinRobert GreenhouseSaul Jaime-FigueroaYanzhou LiuAubry Kern MillerDavid George PutmanKlaus Kurt WeinhardtShu-Hai Zhao
    • A61K31/505C07D239/42
    • A61K31/505C07D239/42
    • The aryl pyrimidine derivatives and pharmaceutically acceptable salts and N-oxides thereof, exhibit useful pharmacological properties, including utility as selective 5HT.sub.2B -antagonists. The 5-HT.sub.2B antagonist is a compound of the formula: ##STR1## wherein: R.sup.1 is hydrogen, alkyl, lower alkoxy, hydroxyalkyl, cycloalkyl, cycloalkyl lower alkyl, alkenyl, lower thioalkoxy, halo, fluoroalkyl, --NR.sup.6 R.sup.7, --CO.sub.2 R.sup.8, --O(CH.sub.2).sub.n R.sup.9, or lower alkyl optionally substituted with hydroxy, alkoxy, halo, or aryl; in whichn is 1, 2, or 3;R.sup.6 and R.sup.7 are hydrogen or lower alkyl;R.sup.8 is hydrogen or lower alkyl; andR.sup.9 is hydrogen, lower alkyl, hydroxy, hydroxy lower alkyl, lower alkenyl, or lower alkoxy;R.sup.2 is hydrogen, lower alkyl, lower alkoxy, halo, or lower fluoroalkyl;R.sup.3 is optionally substituted aryl other than pyridyl, thienyl, or furanyl;R.sup.4 is hydrogen, lower alkyl, cycloalkyl, alkenyl, acyl, amino, amido, aryl, --(CH.sub.2).sub.m NR.sup.10 R.sup.11, or lower alkyl optionally substituted by amino, monosubstituted amino, disubstituted amino, hydroxy, carboxy, aryl, lower alkoxy, amido, alkoxy carbonyl, tetrahydrofuran-2-yl, hydroxyalkoxy, or sulfonamido;in whichR.sup.10 and R.sup.11 are hydrogen or lower alkyl; andR.sup.5 is hydrogen or lower alkyl; provided that:(i) when R.sup.3 is naphthyl, indol-1-yl, or 2,3-dihydroindol-1-yl, and R.sup.2, R.sup.4 and R.sup.5 are all hydrogen, R.sup.1 is not methyl;(ii) when R.sup.3 is phenyl or naphthyl, R.sup.1 is not --NR.sup.6 R.sup.7 ;(iii) when R.sup.3 is phenyl, R.sup.2 is not lower alkoxy, and R.sup.1 and R.sup.2 are not halo;(iv) when R.sup.3 is phenyl and R.sup.1 is H, R.sup.2 is not methyl; and(v) when R.sup.3 is 1,2,3,4-tetrahydroquinolinyl, R.sup.4 and R.sup.5 are hydrogen;or a pharmaceutically acceptable salt or N-oxide thereof.
    • 芳基嘧啶衍生物及其药学上可接受的盐和N-氧化物显示出有用的药理学性质,包括作为选择性5HT2B拮抗剂的用途。 5-HT2B拮抗剂是下式的化合物:其中:R 1是氢,烷基,低级烷氧基,羟基烷基,环烷基,环烷基低级烷基,烯基,低级硫代烷氧基,卤素,氟代烷基,-NR 6 R 7,-CO 2 R 8,-O )n R 9或任选被羟基,烷氧基,卤素或芳基取代的低级烷基; 其中n为1,2或3; R6和R7是氢或低级烷基; R8是氢或低级烷基; 且R 9为氢,低级烷基,羟基,羟基低级烷基,低级烯基或低级烷氧基; R2是氢,低级烷基,低级烷氧基,卤素或低级氟代烷基; R 3是除吡啶基,噻吩基或呋喃基以外的任选取代的芳基; R4是氢,低级烷基,环烷基,烯基,酰基,氨基,酰氨基,芳基, - (CH2)mNR10R11或任选被氨基,单取代的氨基,二取代的氨基,羟基,羧基,芳基,低级烷氧基, 烷氧基羰基,四氢呋喃-2-基,羟基烷氧基或磺酰氨基; 其中R10和R11是氢或低级烷基; R5是氢或低级烷基; 条件是:(i)当R 3是萘基,吲哚-1-基或2,3-二氢吲哚-1-基时,R 2,R 4和R 5都是氢,R 1不是甲基; (ii)当R3是苯基或萘基时,R1不是-NR6R7; (iii)当R3是苯基时,R2不是低级烷氧基,R1和R2不是卤素; (iv)当R3是苯基且R1是H时,R2不是甲基; 和(v)当R 3是1,2,3,4-四氢喹啉基时,R 4和R 5是氢; 或其药学上可接受的盐或N-氧化物。