A process for forming a carbon-carbon bond to couple an aryl or heteroaryl group of a first compound with an alkyl or cycloalkyl moietyof a second compound, the process comprising reacting the first compound with the second compound in the presence of a catalytically effective amount of a neutral or cationic ruthenium(II) catalyst of formula (I).
                            一种形成碳-碳键的过程,将第一化合物的芳基或杂环芳基基团与第二化合物的烷基或环烷基基团耦合,该过程包括在中性或阳离子
钌(II)催化剂的存在下,将第一化合物与第二化合物反应,催化剂的
化学式为(I)。