3-methyl-2-butenal catalysed by (+)-MIB or (−)-MIB yielded both the enantiomers of the chiral allylic alcohols 9–11 (90–98% ee), which were subjected to diastereoselective photooxygenation in the presence of tetraphenylporphine (TPP) to obtain (R,R)-threo- or (S,S)-threo-β-hydroperoxy alcohols (12–14). Reaction of β-hydroperoxy alcohols (12–14) with different cyclic ketones produced optically active trioxanes
一系列抗疟疾手性1,2,4-
三恶烷(的1 - 8)在高对映体纯度合成。的不对称加成的R 2的Zn试剂由(+)催化的
3-甲基-2-丁烯醛- MIB或( - ) - MIB,得到手性烯丙基醇的两个对映异构体9 - 11(90-98%ee)的,这是进行非对映选择性光氧化在四苯基的存在(
TPP),得到(- [R ,- [R )-苏型-或(小号,小号) -苏-β-氢过氧醇(12 - 14)。β-氢过氧醇的反应(12– 14)用不同的环酮生产旋光
三恶烷1 – 8。