Compounds of formula (I) :
[in which R¹ and R² are each hydrogen or various organic groups, p is 0, 1, 2 or 3, U is -CO- or -CH(OR³)- where R³ is hydrogen or a hydroxy-protecting group, V is an optionally unsaturated aliphatic hydrocarbon group and W is a nitrogen-containing group] are useful in the treatment and prophylaxis of dementia especially of the Alzheimer's type.
化合物的
化学式(I):[其中R¹和R²分别为氢或不同的有机基团,p为0、1、2或3,U为-CO-或-CH(OR³)-其中R³为氢或羟基保护基团,V为可选的不饱和脂肪烃基团,W为含氮基团] 在治疗和预防痴呆症,尤其是阿尔茨海默病类型的痴呆症方面是有用的。