CuI/TMEDA-catalyzed cross-coupling reaction of N-(2-haloaryl)trifluoroacetimidoyl chlorides with primary amines. The present double amination process tolerates the presence of Cl, Br, or I substituent at the 2-position of the phenyl group. copper - double amination - N-(2-haloaryl)trifluoroacet-imidoyl chlorides - primary amines - benzimidazoles
氟化
苯并咪唑的合成高度实用的方法是通过的CuI / TME
DA开发-催化的交叉偶联反应ñ - (2-卤代芳基)trifluoroacetimidoyl
氯化物与
伯胺。本发明的双胺化方法容许在苯基的2-位上存在Cl,Br或I取代基。
铜-双胺-N-(2-卤代芳基)三
氟乙酰基亚
氨基
氯化物-
伯胺-
苯并咪唑