作者:Jennifer A. Bodkin、Edward J. Humphries、Malcolm D. McLeod
DOI:10.1071/ch03121
日期:——
Careful control during the bromolactonization of β,γ;-unsaturated acid (4) was required to regioselectively afford the trans-β-lactone (3) as the major diastereomer. Radical debromination of (3) followed by a three-step sequence of reactions afforded the lipase inhibitor (–)-tetrahydrolipstatin (1).
在 β,γ;-不饱和酸 (4) 的溴内酯化过程中需要仔细控制,以区域选择性地提供作为主要非对映异构体的反式-β-内酯 (3)。(3) 的自由基脱溴,然后是三步反应序列,得到脂肪酶抑制剂 (-)-四氢利普他汀 (1)。