| 摘要 |
Compounds of formula I useful in the treatment of skin disorders wherein, R1 is the radical CH3, the radical CH2OR2, the radical COR3, Ar1 is a radical chosen from formulae (a)-(c), Ar2 is a radical chosen from formulae (d)-(h), X is a radical chosen from formulae (i)-(l), R2 is H, a lower alkyl radical or the radical COR16, R3 is H, lower alkyl radical or the radical of formula (m), R4 is H, a polyether radical, a lower alkyl radical or the radical OR18, R5 is H, a lower alkyl radical, a polyether radical or the radical OR19, R6 is a tert-butyl radical, R7 is a lower alkyl radical, a polyether radical or the radical OR20, R6 and R7 taken together can form, with the adjacent aromatic ring, a 6 membered ring optionally substituted with methyl groups and/or optionally interrupted by an oxygen or sulphur atom, R8 is tert-butyl, adamantyl, aryl or aralkyl radical, R9 and R10 taken together form, with the adjacent aromatic ring, a 5 or 6 membered ring optionally substituted with methyl groups and/or optionally interrupted by an oxygen or sulphur atom, R11 is H, a lower alkyl radical containing from 1 to 9 carbon atoms, a hydroxyl radical, an alkoxy radical, a polyether radical or the radical OR21, R12 is H, a hydroxyl radical, an alkoxy radical, a polyether radical or the radical OR22, R13 is H, a lower alkyl radical or the radical OR23, R14 and R15 which may be identical or different, are H or a lower alkyl radical Y is O or a CH2 radical, R16 is a lower alkyl radical, R17 is H, a linear or branched alkyl radical containing from 1 to 20 carbon atoms, an alkenyl radical, a mono or polyhydroxyalkyl radical, an optionally substituted aryl or aralkyl radical or a sugar residue, R' and R", which may be identical or different, represent H, a lower alkyl radical, a mono or polyhydroxyalkyl radical, an optionally substituted aryl radical or an amino acid residue, or alternatively, taken together form a heterocycle, R18, R19 and R20 which may be identical or different, represent a hydrogen atom, a lower alkyl radical, an alkenyl radical, a mono or polyhydroxyalkyl radical, an aryl radical, an optionally substituted aralkyl radical or the radical (CH2)nR24, R21 and R22, which may be identical or different, represent an alkenyl radical, a mono or polyhydroxyalkyl radical, an aryl radical, an optionally substituted aralkyl radical or the radical (CH2)nR24, R23 is a lower alkyl radical, R24 is a heterocycle, a monohydroxyalkyl radical, a thiol radical optionally substituted with a lower alkyl, an amino radical optionally substituted with at least one lower alkyl, the radical COOR25, or the radical CON(R26)R27, R25 is H or a lower alkyl radical, R26 and R27 are identical or different and represent H, a lower alkyl radical, or an optionally substituted aryl radical, or taken together to form a heterocycle and n is an integer such that 2=n=9.
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