The C1-C7 fragment (4) of tedanolide (1) was synthesized starting from methyl (R)-3-hydroxy-2-methyl-propionate via a mismatched but highly efficient Sharpless dihydroxylation of the C1-C7 α, β-unsaturated ester (6) with AD-mix-α.
以(R)-
3-羟基-2-甲基丙酸甲酯为起点,通过 AD-mix-α 对 C1-C7 α、β-不饱和酯 (6) 进行不匹配但高效的 Sharpless 二羟基化反应,合成了 Tedanolide (1) 的 C1-C7 片段 (4)。