Ethyl 2-acetyl-2-methyl-6-(S-ethylthiocarboxy)-5-hexenoate 在
samarium diiodide 作用下,
以
四氢呋喃 为溶剂,
生成 Ethyl (1R
*,2S
*,3S
*)-3-<(S-ethylthiocarboxy)methyl>-2-hydroxy-1,2-dimethylcyclopentanecarboxylate 、 (1R,2R,3R)-3-Ethylsulfanylcarbonylmethyl-2-hydroxy-1,2-dimethyl-cyclopentanecarboxylic acid ethyl ester