A palladium(0) nanocluster supported on hydrotalcite has been prepared and tested for the Suzuki coupling reaction. The prepared catalyst showed very efficient catalytic activity for cross coupling of iodo- and bromoarenes under very mild reaction conditions, affording >90% yield. Under the optimized reaction conditions, chloroarenenes also showed very good reactivity. Transmission electron microscopic imaging data showed the formation of very small Pd(0)-nanoclusters (d = 2.2 ± 0.5 nm) well dispersed on the support, which enhanced the activity and stability of the catalyst for the Suzuki cross-coupling reaction. This catalytic system offers an easy method of preparation with good activity and reusability up to five cycles.

已经制备了负载在水滑石上的钯（0）纳米簇，并测试了Suzuki偶联反应。所制备的催化剂在非常温和的反应条件下对碘代和溴代芳烃的交叉偶联显示出非常有效的催化活性，收率> 90％。在优化的反应条件下，氯代芳烃也显示出非常好的反应性。透射电子显微镜成像数据显示，非常小的Pd（0）-纳米簇（d = 2.2±0.5 nm）很好地分散在载体上，这增强了Suzuki交叉偶联反应催化剂的活性和稳定性。该催化体系提供了一种简便的制备方法，具有良好的活性和长达五个循环的可重复使用性。