[B(3,5-(CF3)2C6H3)4]– < PF6– < BF4– < CF3SO3–. Acceptor or bulky substituents in the incoming arene slow down the exchange. Complexes with acceptor arenes C6H5COMe, C6H5COOH, and C6H4(COOH)2 were obtained by the exchange reaction in water. Complexes [CpRu(η6-cycloheptatriene)]+ and [CpRu(η6-cyclooctatetraene)]+ were obtained by irradiation of 1 with the corresponding cyclic polyenes. A similar reaction
[CpRu(
C10H8)]+ (1; Cp =
环戊二烯基
配体) 中的
萘配体在加热或可见光照射下被其他
芳烃取代并产生复合物 [CpRu(
芳烃)]+ [
芳烃 = C6HnMe6–n, C6H5OH , C6H5OMe,
C6H4(OMe)2,
茚, 2,2-对环烷] 产率 70-90%。反应速率随着溶剂的配位能力
CH2Cl2 < THF/ < Me2CO 和反离子 [B(3,5-(CF3)2C6H3)4]– < PF6– < BF4– < SO3– 而增加。传入芳烃中的受体或大取代基会减慢交换速度。通过在水中的交换反应获得与受体芳烃 C6H5COMe、C6H5COOH 和 (COOH)2 的配合物。配合物[CpRu(η6-环庚三烯)]+和[CpRu(η6-环辛四烯)]+通过用相应的环状多烯辐照1获得。与
α-水芹烯的类似反应伴随着脱氢反应生成 [CpRu(cymene)]+。阳离子