commercially available aryldiazoniumtetrafluoroborate derivatives with 2-(piperidin-1-yl)acetonitrile (an organic cyano reagent) under mild conditions. This process utilizes a Pd/(Me3Si)2 system and is applied to a wide scope of aromatic diazonium substrates to give the corresponding nitrile-containing products in moderate to high yields (59–92%). This methodology is employed for the preparation of etravirine
本研究描述了在温和条件下用 2-(哌啶-1-基)乙腈(一种有机氰基试剂)对市售芳基重氮四氟硼酸盐衍生物进行一锅催化氰化。该工艺利用 Pd/(Me 3 Si) 2系统,并应用于范围广泛的芳族重氮底物,以中等至高产率 (59-92%) 得到相应的含腈产品。该方法用于制备用于治疗 HIV 的药物依曲韦林,以及转化 1 H-indole-2-carbonitrile 转化为用作 NMDA 受体拮抗剂的化合物,并且对 HIV 突变株具有很高的潜力。为这种 Pd 催化的氰化提出的机制涉及氰化物离子,正如使用试纸所证实的那样。