| abstract |
PCT No. PCT/FR92/00482 Sec. 371 Date Jan. 10, 1994 Sec. 102(e) Date Jan. 10, 1994 PCT Filed May 29, 1992 PCT Pub. No. WO92/21663 PCT Pub. Date Dec. 10, 1992.Benzimidazole derivatives having general formula (I), wherein R1 and R2 are a hydrogen atom, a lower alkyl radical, an OR4 radical, a lower fluoroalkyl radical or a halogen atom; R3 is a hydrogen atom, a lower alkyl radical, a halogen, a hydroxyl or a lower alkoxy radical having 1-6 carbon atoms; R4 is a hydrogen atom, a lower alkyl radical, a benzyl radical or a (II) radical, PO3H, SO3H or an aminoacid residue; R7 is a lower alkyl radical, a lower alkoxy radical having 1-6 carbon atoms, a -(CH2)n-COOH radical where n=1-6, or the radical (III), where r' and r'' are a hydrogen atom or a lower alkyl radical, or form, together with the nitrogen atom, a 5 or 6-membered heterocyclic ring optionally interrupted by a heteroatom; R5 and R6 are different and represent the OR8 radical or a mono or polycyclic cycloalkyl radical having 5-12 carbon atoms bound to the phenyl core by a tertiary carbon; R8 is a hydrogen atom, a lower alkyl radical, an acyl radical having 2-7 carbon atoms, a benzyl radical optionally substituted by one or more halogen atoms, or a benzoyl radical; and salts of said compounds obtained by adding a pharmaceutically acceptable acid or base. Said compounds may be used therapeutically, in particular in relation to inflammatory and/or immunoallergic conditions, and cosmetically to provide body and hair care. |