structures have been determined by single-crystal X-ray analysis. The use of these complexes as catalysts for the Suzuki and Buchwald–Hartwig amination of aryl chlorides was examined. Compound 2 was found to be very efficient for these reactions. Typically, using 0.5–1 mol% of catalyst in the presence of 3 equivalents of KtOBu as base in PEG-400 [poly(ethylene glycol-400)] at 120 °C provided coupling
摘要合成了环palpalated
二茂铁基
吡啶1-2的两个空气稳定的卡宾加合物,并通过元素分析,IR,ESI-MS,1H和13C NMR对其进行了表征。此外,它们的详细结构已通过单晶X射线分析确定。检查了这些络合物作为Suzuki和Buchwald-Hartwig芳基
氯化物胺化反应的催化剂。发现化合物2对于这些反应非常有效。通常,在120°C下在P
EG-400 [聚(
乙二醇-400)]中存在3当量的KtOBu作为碱的情况下,使用0.5-1 mol%的催化剂可提供优异的收率。此外,2 / P
EG-400系统可以循环使用三遍。