Synthesis of homometallic divalent lanthanide organoimides from benzyl complexes†
Abstract
The reaction of LnI2(thf)2 with benzyl potassium affords the homoleptic benzyl complexes [Ln(CH2Ph)2]n of samarium, europium, and ytterbium. In the cases of Eu and Yb, the treatment of [Ln(CH2Ph)2]n with one equivalent of 2,6-diisopropylaniline gives access to tetrameric organoimide complexes [(thf)Ln(μ3-NDipp)]4, representing the first examples of homometallic Ln(II) imides. This study revealed that the Yb(II) organoimide chemistry is significantly different from that of calcium.
- This article is part of the themed collection: New molecules and materials from the f-block
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