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    • 34. 发明授权
    • Alpha-aminoamide derivatives useful as analgesic agents
    • 用作止痛剂的α-氨基酰胺衍生物
    • US06306903B1
    • 2001-10-23
    • US09582198
    • 2000-08-29
    • Paolo PevarelloMario VarasiPatricia SalvatiClaes Post
    • Paolo PevarelloMario VarasiPatricia SalvatiClaes Post
    • A61K31275
    • C07C237/06A61K31/165C07C255/54
    • The present invention relates to novel and known alpha-aminoamide compounds, to a process for their preparation, to pharmaceutical composition containing them and to their use as therapeutic agents. In particular, the compounds of the present invention are endowed with analgesic properties and are particularly useful for the treatment and alleviation of chronic and neuropathic pain. Accordingly, one object of the present invention is to provide the use of a compound of formula (I) wherein: A is a —(CH2)m—, —(CH2)n—X— or —(CH2)v—O— group wherein m is an integer of 1 to 4, n is zero or an integer of 1 to 4, X is —S— or —NH—, and v is zero or an integer of 1 to 5; s is 1 or 2; R is a furyl, thienyl, or pyridyl ring or a phenyl ring optionally substituted by one or two substitutents independently chosen from halogen, cyano, C1-C4 alkyl, C1-C4 alkoxy and trifluoromethyl; R1 is hydrogen or C1-C4 alkyl; one of R2 and R3 is hydrogen and the other is hydrogen or C1-C4 alkyl optionally substituted by hydroxy or phenyl; or R2 and R3 taken together with the carbon atom to which they are linked form a C3-C6 cycloalkyl ring; or R2 and R3 are both methyl; R4 is hydrogen or C1-C4 alkyl.
    • 本发明涉及新的和已知的α-氨基酰胺化合物,其制备方法,含有它们的药物组合物及其作为治疗剂的用途。特别地,本发明的化合物具有止痛性质,特别是 对于治疗和缓解慢性和神经性疼痛有用。因此,本发明的一个目的是提供式(I)化合物的用途,其中:A是 - (CH 2)m - , - (CH 2)n X - 或 - (CH 2)v O-基团,其中m为1至4的整数,n为0或1至4的整数,X为-S-或-NH-,v为0或1至 5; s是1或2; R是呋喃基,噻吩基或吡啶基环或任选被一个或两个独立地选自卤素,氰基,C 1 -C 4烷基,C 1 -C 4烷氧基和三氟甲基的取代基取代的苯环; R 1是 氢或C 1 -C 4烷基; R 2和R 3之一是氢,另一个是氢或任选地被H 5取代的C 1 -C 4烷基 羟基或苯基; 或者R 2和R 3与它们所连接的碳原子一起形成C 3 -C 6环烷基环; 或R 2和R 3均为甲基; R 4为氢或C 1 -C 4烷基。