碘甲烷 、 (4R,5R,6R)-Dihydro-4-hydroxy-5-(1-hydroxypropyl)-5-methyl-2(3H)-furanone 在
lithium diisopropyl amide 作用下,
以
四氢呋喃 为溶剂,
生成 (3R,4S,5S)-4-hydroxy-5-[(1S)-1-hydroxypropyl]-3,5-dimethyloxolan-2-one 、
(3S,4S,5S)-4-hydroxy-5-[(1S)-1-hydroxypropyl]-3,5-dimethyloxolan-2-one