Vinylpentafluorocyclopropanes 1 react with I(2) to give the (Z)-1,5-adduct 2, whereas 1 reacts with Cl(2), Br(2) or I-Cl to produce (Z)-1,5-adduct 3 predominantly along with small amounts of 1,2-adduct 4, which are formed by a radical mechanism and an ionic mechanism, respectively.
乙烯基五
氟环丙烷1与I(2)反应生成(Z)-1,5-加合物2,而1与Cl(2),Br(2)或I-Cl反应生成(Z)-1,5-加合物3主要与少量的1,2-加合物4分别通过自由基机理和离子机理形成。