Ambiphilic Reactivity of a Ruthenaphosphaalkenyl: Synthesis of <i>P</i>‑Pyrazolylphosphaalkene Complexes of Ruthenium(0)
收藏NIAID Data Ecosystem2026-03-07 收录
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The novel ruthenaphosphaalkenyl complex [Ru{PCH(SiMe3)}Cl(CO)(PPh3)2], prepared from [RuHCl(CO)(PPh3)3] and Me3SiCP, exhibits ambiphilic behavior, reacting at phosphorus with both nucleophiles and electrophiles. Its reaction with Li(pz′) or K[HB(pz′)3] (pz′ = pz, pz*) affords [Ru{η1-N:η2-P,C-P(pz′)CH(SiMe3)}(CO)(PPh3)2], a rare example of a ruthenium(0) η2-phosphaalkene complex and the first example of a P-pyrazolylphosphaalkene. Conversely, reaction with the electrophilic PhHgCl leads to metalation at phosphorus, affording [Ru{η1-P(HgPh)CH(SiMe3)}Cl2(CO)(PPh3)2].
创建时间：
2016-02-19
