arylpyridines proceeded selectively at less-sterically congested ortho-positions, and the selectivity is different from that reported for the palladium-catalyzed dimerization using Oxone as an oxidant. The dimerization also proceeds using catalytic amounts of both Pd(OAc)2 and I2 under the electrochemical reaction conditions.
在存在I 2的情况下,在阳极氧化条件下实现了芳基
吡啶的
钯催化区域选择性均偶联。间取代的芳基
吡啶的二聚化在较少空间拥挤的邻位上选择性地进行,并且选择性与报道的使用氧酮作为氧化剂的
钯催化的二聚化的选择性不同。在电
化学反应条件下,还使用催化量的Pd(OAc)2和I 2进行二聚。