vinyl triflates or halides with the easily available 2-ethynylaniline, followed by a palladium(II)-catalysed cyclization step, provides an efficient and very versatile procedure for the synthesis of functionalyzed 2-substituted indoles.
钯(0)催化的芳基和
乙烯基三氟甲磺酸酯或卤化物与易于获得的2-
乙炔基
苯胺的偶联,然后进行
钯(II)催化的环化步骤,为合成功能化的2-取代基提供了有效且非常通用的程序
吲哚。