(1'RS,4'RS,6'SR,11'SR)-1'-Methyldispiropropanotricyclo<5.3.1.4,11>undec-7-en-3',1''-cyclopropan>-6'-ol   、                                                                                      
3,5-二硝基苯甲酰氯                                                                                                                                                                                              以
                                                                                         
吡啶                                                                                  为溶剂,
                                                                                                                                                    反应 0.5h,
                                                                                                                以75%的产率得到(1'RS,4'RS,6'SR,11'SR)-6'-(3,5-Dinitrobenzoyloxy)-1'-methyldispiro
propanotricyclo<5.3.1.04,11>undec-7-en-3',1''-cyclopropan>