作者:Miaosheng Li、George A. O’Doherty
DOI:10.1016/j.tetlet.2004.07.011
日期:2004.8
A short enantioselective route to the highly functionalized α,β-unsaturated δ-lactone natural product phomopsolide D and three of its stereoisomers, has been accomplished. All of the carbon atoms of phomopsolide D come from tiglic acid and 2-furyl-1-penta-1′,3′-dienylketone (furan plus hexadienal). This approach derives its asymmetry from the sequential use of two catalytic asymmetric reactions; these
已经完成了向高度官能化的α,β-不饱和δ-内酯天然产物Phomopsolide D及其三个立体异构体的短对映选择性路线。苯甲醛固体D的所有碳原子都来自豆lic酸和2-furyl-1-penta-1',3'-dienylketone(呋喃加己二醛)。这种方法的不对称性是由两个催化不对称反应的顺序使用引起的。它们是Sharpless二羟基化反应和Noyori呋喃酮还原。经由短的高度非对映选择性氧化和还原序列,将所得糠醇立体选择性地转化为α,β-不饱和δ-内酯。