tert-butyl [(2S,3S)-3-methyl-3-[2-[(2R,3R)-3-methyl-3-(4-methylpent-3-enyl)oxiran-2-yl]ethyl]oxiran-2-yl]methyl carbonate                                                                                                                                                              在
                                                                                                                                                                                 
N-溴代丁二酰亚胺(NBS)                                                                                                                                  作用下,
                                                                                                                                                                                        反应 0.25h,
                                                                                                                以66%的产率得到(1S,3S,8R,11R)-14-bromo-1,8,13,13-tetramethyl-2,5,7,12-tetraoxatricyclo[9.5.0.03,8]hexadecan-6-one