公开了通过Ir光催化剂使用R f -X(X = I或Br)作为R f源的有效的可见光诱导的共轭甲苯磺酰胺的全氟烷基化。该方案为制备带有各种全氟部分,例如n -C 3 F 7,i -C 3 F 7,n -C 4 F 9,n -C 6 F的羟吲哚或α-芳基-β-氟烷基酰胺提供了一种新方法。13,n -C 8 F 17,n-C 10 F 21和CF 2 CO 2 Et。
2-Aryl propionamides via 1,4-aryl radical migration from N-arylsulfonyl-2-bromopropionamides
摘要:
Reaction of N-alkyl-N-arylsulfonyl-2-halo-propionamides with pentamethyldiethylenetriamine and either CuBr or CuCl leads to 2-aryl propionamides via initial radical generation, 1,4-aryl migration with loss of SO2 and reduction of the intermediate amidyl radical in 40-99% yields. (C) 2009 Elsevier Ltd. All rights reserved.