4-(Rf8CH2CH2)2C6H3I (77-93%). The former, the crystal structure of which is determined, reacts with Cl2 to give a 75:25 ArICl2/ArI mixture, but partial Cl2 evolution occurs upon work-up. The latter gives the easily isolated dichloride 1,2,4-(Rf8CH2CH2)2C6H3ICl2 (89%). The relative thermodynamic ease of dichlorination of these and other iodine(I) compounds is probed by DFT calculations.
寻找与各种合成应用相关的标题分子。脂肪族
氟醇 Rfn CH2OH (Rfn =
CF3(
CF2) n-1; n = 11, 13, 15) 转化为
三氟甲磺酸酯 Rfn CH2OTf (Tf2O,
吡啶; 22-61%),然后转化为 Rfn
CH2I (NaI,
丙酮;58-69%)。随后与 NaOCl/HCl 反应生成二
氯化
碘 (III) Rfn Cl2 (n = 11, 13; 33-81%),缓慢放出 Cl2。
醚类氟醇
CF2CF2O(CF( )
CF2O) x CF( )CH2OH (x = 2-5) 类似地转化为
三氟甲磺酸酯,然后转化为
碘化物,但生成相应二
氯化物的努力失败。缺少亚甲基基团 Rfn I 的底物也是惰性的,但将 TMSCl 添加到双(
三氟乙酸酯)Rfn I(OCO )2 似乎会生成 Rfn ICl2,从而快速释放 Cl2。芳香族
氟碘化物 1,3-Rf6C6H4I、1