、                                                                                      
2-methylenecyclopropane carboxylic acid diphenylamide                                                                                                                                                              在
                                                                                                                                                                                 magnesium iodide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                    反应 7.33h,
                                                                                                                生成                                                 (2R,3S)-1'-methyl-4-methylene-1-((S)-toluene-4-sulfinyl)-2,3,4,5-tetrahydro-1H,1'H-[2,2']bipyrrolyl-3-carboxylic acid diphenylamide   、                                                                                             
(2R,3R)-1'-methyl-4-methylene-1-((S)-toluene-4-sulfinyl)-2,3,4,5-tetrahydro-1H,1'H-[2,2']bipyrrolyl-3-carboxylic acid diphenylamide