The air- and moisture-stable pentanuclear yttrium cluster H(5)[Y(5)(mu(4)-O)(mu(3)-O)(4)(mu-eta](2)-Ph(2)acac)(4)(eta](2)-Ph(2)acac)(6)](Ph(2)acac = dibenzoylmethanide) has been used as a homogeneous catalyst for the oxidation of aldehydes to the corresponding carboxylic acids in the presence of air.
The first heteroleptic bisphosphanylamide complex of the lanthanides, [(η5‐C5Me5)2Sm{η2‐N(PPh2)2}] is reported. [(η5‐C5Me5)2Sm{η2‐N(PPh2)2}] can be obtained by the reaction of the potassium bisphosphanylamide complex, [K(THF)n][N(PPh2)2] (n = 1.25 ‐ 1.5) with [(η5‐C5Me5)2Sm(μ‐Cl)2K(THF)]∞ or in a one‐pot reaction starting from SmCl3 and [K(THF)n][N(PPh2)2] followed by an addition of KC5Me5. Both, [(η5‐C5Me5)2Sm{η2‐N(PPh2)2}] and [(η5‐C5Me5)2Sm(μ‐Cl)2K(THF)]∞ have been characterized by standard analytical/spectroscopic techniques, and their solid‐state structures were established by single crystal X‐ray diffraction.
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