名称:
C–X bond formation and cleavage in the reactions of the ditungsten hydride complex [W2(η5-C5H5)2(H)(μ-PCy2)(CO)2] with small molecules having multiple C–X bonds (X = C, N, O)
摘要:
两个分子的 C2(CO2Me)2 或异氰化物可以在温和条件下添加到标题氢化物配合物中,得到二烯基-[W2Cp2{μ-δ1,γ:δ2-C(CO2Me)C(CO2Me)C( CO2Me)CH(CO2Me)}(μ-PCy2)(CO)2] (Cp = μ5-C5H5), 二氮杂二烯基-[W2Cp2{μ-μ,μ:μ,μ-C{CHN(4- MeO−C6H4)}N(4-MeO−C6H4)}(μ-PCy2)(CO)2] 或氨基碳桥桥衍生物 [W2Cp2{μ-CNH(2,6-Me2C6H3)}(μ-PCy2) {CN(2,6-Me2C6H3)}(CO)]。相反,它与过量的 (4-Me–C6H4)C(O)H 反应得到 C–O 键断裂产物 [W2Cp2{CH2(4-Me–C6H4)}(O)(μ-PCy2) (CO)2] 和 [W2Cp2{μ-δ:δ,δ-C(O)CH2(4-Me−C6H4)}(O)(μ-PCy2)(CO)]。