| abstract |
Methods of use of compounds and compounds for the treatment of disorders characterized by the cerebral deposition of amyloid are provided. Among the compounds are those of formulae I and II: <IMAGE> I <IMAGE> II in which R1 is preferably 2-methyl propene, 2-butene, cyclohexyl or cyclohexylmethyl; R2, R4, and R8 are each independently methyl or ethyl; R3 is preferably iso-butyl or phenyl; R5 is preferably iso-butyl; R6 is H or methyl; R7-(Q)n is preferably benzyloxycarbonyl or acetyl; Q is preferably -C(O)-; RB is preferbly iso-butyl; RA=-(T)m-(D)m-R1, is which T is preferably oxygen or carbon, and D is preferably a mono-unsaturated C3-4 alkenyl being more preferred; and X is preferably an alpha -ketoester or alpha -ketoamide or aldehyde. |