tert-butyl 3-[(2S,3S)-3-methyl-3-[2-[(2R,3R)-3-methyl-3-(4-methylpent-3-enyl)oxiran-2-yl]ethyl]oxiran-2-yl]propanoate 在
N-溴代丁二酰亚胺(NBS) 作用下,
反应 0.25h,
以73%的产率得到(1S,3S,8R,11R)-14-bromo-1,8,13,13-tetramethyl-2,7,12-trioxatricyclo[9.5.0.03,8]hexadecan-6-one