Palladium-catalyzed cross-coupling reaction of β-amino-β-trifluoromethylvinyl bromides 7 and 8 with boronic acids has been achieved to afford new stable β,β-disubstituted α-trifluoromethyl enamines 12 and 13, which can be used as masked ketones. The ketone function can be released in acidic medium.
β-
氨基-β-三
氟甲基
乙烯基溴 7 和 8 与
硼酸的
钯催化交叉偶联反应已实现,得到新的稳定的 β,β-二取代 α-三
氟甲基烯胺 12 和 13,可用作掩蔽酮。在酸性介质中可释放酮官能团。