A depsipeptide containing a non-natural amino acid(s) having the formula (1)
wherein R1 represents a C5-C20 alkyl group and others; R2 represents —O—CO—CH(R5)—X—CH(R6)—NH— (wherein X represents N(R7)—CO, CH2—CO, CH2—CH2 and others, R5, R6, and R7 represent a hydrogen atom or a C1-C6 alkyl group); R3 represents
and wherein the remaining substituent variables are as defined herein.
The above depsipeptides have a promoting activity on the production of apolipoprotein E, and are useful as a therapeutic agent for neurologic damages, especially dementia, and hyperlipemia.
含有非天然
氨基酸的脱
氨肽,其
化学式为(1),其中R1代表C5-C20烷基和其他基团;R2代表- O-CO-CH(R5)-X-CH(R6)-NH-(其中X代表N(R7)-CO,
CH2-CO, - 和其他基团,R5,R6和R7代表氢原子或C1-C6烷基);R3代表,其余取代基变量的定义如本文所述。上述脱
氨肽具有促进
载脂蛋白E产生的活性,并可用作治疗神经损伤,特别是痴呆症和高脂血症的治疗剂。