(4S,5R)-4-benzyloxymethyl-5-tridecyl-oxolan-2-one 、
碘甲烷 在
lithium diisopropyl amide 作用下,
生成
(3S,4R,5R)-4-benzyloxymethyl-3-methyl-5-tridecyl-oxolan-2-one 、 (3R,4R,5R)-4-Benzyloxymethyl-3-methyl-5-tridecyl-dihydro-furan-2-one 、 (4R,5R)-4-Benzyloxymethyl-3,3-dimethyl-5-tridecyl-dihydro-furan-2-one