(S)-4-Benzyl-3-[(S)-2-((4R,5R,6S)-6-isopropenyl-2,2,5-trimethyl-[1,3]dioxan-4-yl)-propionyl]-oxazolidin-2-one 在
9-borabicyclo[3.3.1]nonane dimer 作用下,
以
四氢呋喃 为溶剂,
生成
(4R)-4-benzyl-3-{(2R)-2-[(4S,5R,6S)-6-((1S)-2-hydroxy-1-methylethyl)-2,2,5-trimethyl-m-dioxan-4-yl]propionyl}-2-oxazolidinone 、 (R)-4-Benzyl-3-{(R)-2-[(4S,5R,6S)-6-((R)-2-hydroxy-1-methyl-ethyl)-2,2,5-trimethyl-[1,3]dioxan-4-yl]-propionyl}-oxazolidin-2-one