| abstract |
1-Benzylimidazole derivatives of formula (I) and their salts are new. R1 = H, 1-8C alkyl, -CaH2a-Ar or -CaH2a-(3-7C)cycloalkyl; a = 0-2; Ar = phenyl or 1-9C heteroaryl (both optionally substituted by 1-3 F, Cl, Br, I, CF3, Me, OMe, OH or NR8R9); R8, R9 = H or 1-4C alkyl; R2, R3 = H, F, Cl, Br, I, CF3, CN, NO2, CH2OR17, COR6 or OR7, 1-8C alkyl, 3-7C cycloalkyl, -CaH2a-Ar or -SOa-R22; R17= H or 1-8C alkyl; R6 = H, 1-8C alkyl, OR30 or phenyl (optionally substituted as in Ar); R7 = H, 1-8C alkyl or Ar; R22 = 1-8C alkyl, 3-7C cycloalkyl or -CaH2a-Ph; R4, R5 = H, 1-8C alkyl, F, Cl, Br, I, CF3, CN, NO2, SOa-R16, COR23 or OR24; R16 = 1-8C alkyl or phenyl (optionally substituted as in Ar); R23 = H, 1-8C alkyl or OR25; R24 = H, 1-8C alkyl or phenyl (optionally substituted as in Ar); and R25 = H or 1-8C alkyl. Also claimed is the treatment or prophylaxis of ischaemia-mediated conditions or the treatment of respiratory disorders using a tetrazole derivative. |