(1R)-(-)-3,3-dimethyl-1-vinyl-2-norbornanone   、                                                                                      
2-bromobicyclo<3.2.0>hept-2-ene                                                                                                                                                              在
                                                                                                                                                                                 
叔丁基锂                                                                                                                                  作用下,
                                                                                                                                                                                                                            生成                                                 
(1R,2S,4S)-3,3-Dimethyl-1-vinyl-bicyclo[2.2.1]heptan-2-ol   、                                                                                             (1R,2R,4S)-2-(1R,5R)-Bicyclo[3.2.0]hept-2-en-3-yl-3,3-dimethyl-1-vinyl-bicyclo[2.2.1]heptan-2-ol   、                                                                                             (1R,2R,4S)-2-(1S,5S)-Bicyclo[3.2.0]hept-2-en-3-yl-3,3-dimethyl-1-vinyl-bicyclo[2.2.1]heptan-2-ol