ethyl 2-((2S,2aR,2a1R,4S,4aR,5R,7aS,8S)-8-bromo-5-((tert-butyldimethylsilyl)oxy)-2a,2a1,3,4,4a,5-hexahydro-2,4-methanoindeno[7,1-bc]furan-7a(2H)-yl)acetate                                                                                                                                                              在
                                                                                                                                                                                 
锂硼氢                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                                                        以59%的产率得到2-((2S,2aR,2a1R,4S,4aR,5R,7aS,8S)-8-bromo-5-((tert-butyldimethylsilyl)oxy)-2a,2a1,3,4,4a,5-hexahydro-2,4-methanoindeno[7,1-bc]furan-7a(2H)-yl)ethan-1-ol