A new bulky silazido ligand, –N(SiHMe₂)Dipp (Dipp = C₆H₃-2,6-iPr₂), supports planar, three-coordinate homoleptic rare earth complexes Ln{N(SiHMe₂)Dipp}₃ (Ln = Sc, Y, and Lu), each containing three secondary Ln↼HSi interactions and one agostic CH bond. Y{N(SiHMe₂)Dipp}₃ and acetophenone react via hydrosilylation, rather than by insertion into the Y–N bond or by enolate formation.

中文翻译：

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稀土芳基硅氮杂化合物具有不等价的次级相互作用† ‡

一种新的庞大的硅氮杂配体–N（SiHMe ₂）Dipp（Dipp = C ₆ H ₃ -2,6-iPr ₂），支持平面的，三坐标的均相稀土络合物Ln {N（SiHMe ₂）Dipp} ₃（ Ln = Sc，Y和Lu），每个包含三个次要Ln↼HSi相互作用和一个过时的CH键。Y {N（SiHMe ₂）Dipp} ₃和苯乙酮通过氢化硅烷化反应，而不是通过插入Y–N键或烯醇化而反应。