[EN] 5-(2-IMIDAZOLINYLAMINO)-BENZIMIDAZOLE DERIVATIVES, THEIR PREPARATION AND THEIR USE AS .ALPHA.-ADRENOCEPTOR AGONISTS WITH IMPROVED METABOLIC STABILITY<br/>[FR] 5-(2-IMIDAZOLINYLAMINO)-BENZIMIDAZOLE, DERIVES ET PROCEDES DE PREPARATION ET D'UTILISATION DE CES DERNIERS EN TANT QU'AGONISTES DU RECEPTEUR ALPHA-ADRENERGIQUE AYANT UNE MEILLEURE STABILITE METABOLIQUE
申请人:PROCTER & GAMBLE
公开号:WO1999026942A1
公开(公告)日:1999-06-03
The present invention is directed to compounds having a structure according formula (I), wherein: (a) R1 is alkyl; (b) R2 is selected from the group consisting of: hydrogen, alkyl, methoxy, cyano, and halo; (c) R3 is selected from the group consisting of: hydrogen, methyl, hydroxy, cyano and halo; (d) R4 is selected from the group consisting of: hydrogen, methyl, ethyl and isopropyl; (e) R5 is selected from the group consisting of: hydrogen, methyl, amino, methoxy, hydroxy, cyano and halo; (f) provided that at least one of R2, R3, R4 or R5 is other than hydrogen or fluorine; (g) provided that when R1 is methyl and both R2 and R5 are hydrogen, R3 is other than methyl or halo; (h) provided that when R3 is cyano, R1 is methyl; and any tautomer of the structure or a pharmaceutically acceptable salt, or biohydrolyzable ester, amide, or imide thereof. The compounds of the present invention are peripherally acting selective alpha-2 adrenergic compounds that lower CNS activity and that resist metabolic transformation into undesirable compounds.
本发明涉及具有以下式(I)的结构的化合物,其中:(a)R1是烷基;(b)R2选自以下组:氢,烷基,甲氧基,氰基和卤素;(c)R3选自以下组:氢,甲基,羟基,氰基和卤素;(d)R4选自以下组:氢,甲基,乙基和异丙基;(e)R5选自以下组:氢,甲基,氨基,甲氧基,羟基,氰基和卤素;(f)至少有一个R2,R3,R4或R5不是氢或氟;(g)当R1是甲基且R2和R5均为氢时,R3不是甲基或卤素;(h)当R3是氰基时,R1是甲基;以及该结构的任何互变异构体或药学上可接受的盐,或可生物水解的酯,酰胺或亚胺。本发明的化合物是周围作用的选择性α-2肾上腺素化合物,可以降低中枢神经系统的活性,并抵抗代谢转化为不良化合物。