Methods of use of compounds for the treatment of disorders characterized by the cerebral deposition of amyloid are provided. Among the compounds provided for use in the methods are those of the formula: ##STR1## in which R.sub.1 is preferably 2-methylpropenyl, 2-butenyl, cyclohexyl or cyclohexylmethyl; R.sub.2, R.sub.4, and R.sub.8 are each preferably independently methyl or ethyl; R.sub.3 is preferably iso-butyl or phenyl; R.sub.5 is preferably iso-butyl; R.sub.6 is preferably H or methyl; R.sub.7 --(Q).sub.n is preferably benzyloxycarbonyl or acetyl; Q is preferably --C(O)--; and X is preferably an aldehyde, .alpha.-ketoester or .alpha.-ketoamide.
提供了用于治疗由淀粉样物质脑沉积所表征的疾病的化合物使用方法。提供的化合物中,用于该方法的化合物包括以下结构式:##STR1##在该结构式中,R.sub.1最好是
2-甲基丙烯基、
2-丁烯基、环己基或环己基甲基;R.sub.2、R.sub.4和R.sub.8最好分别独立地是甲基或乙基;R.sub.3最好是异丁基或苯基;R.sub.5最好是异丁基;R.sub.6最好是H或甲基;R.sub.7--(Q).sub.n最好是苄氧羰基或乙酰基;Q最好是--C(O)--;X最好是醛、α-
酮酸酯或α-酮酰胺。