Ring-closing metathesis strategy to unsaturated γ- and δ-lactones: Synthesis of hydroxyethylene isostere for protease inhibitors
作者:Arun K. Ghosh、John Cappiello、Dongwoo Shin
DOI:10.1016/s0040-4039(98)00887-9
日期:1998.6
acrylates derived from allylic and homo allylic alcohols in the presence of the Grubbs' catalyst (10–15 mol%) and titanium isopropoxide (0.3–3 equiv) provided ready access to α, β-unsaturated γ- and δ-lactones and an important dipeptide isostere intermediate.
在Grubbs催化剂(10-15摩尔%)和异丙氧基钛(0.3-3当量)存在下,由烯丙基和均烯丙基醇衍生的丙烯酸酯的闭环烯烃复分解提供了现成的α,β-不饱和γ-和δ-内酯和重要的二肽等排中间体。