、
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