analysis. The reactions of the bis(indenyl) (1) and bis(fluorenyl) (C13H9)2YbII(THF)2 (2) derivatives of divalent ytterbium with the 1,4-diazabutadiene PhN=C(Ph)-C(Ph)=NPh (PhDAD) (with the molar ratio of the reactants 1:2) proceed with a complete cleavage of the bonds Yb-C and the oxidation of the ytterbium atom to the trivalent state and result in a homoligand complex (PhDAD−·)3Yb (6) containing three
镱双(
茚基)配合物 (
C9H7)2YbII(THF)2 (1) 与 1,4-二氮杂
丁二烯 2-MeC6H4N=C(Me)-C(Me)=NC6H4Me-2 (Me
DAD) 的相互作用伴随通过将
金属原子氧化成三价态并产生
金属茂类型 ( )2YbIII(Me
DAD-·) (3) 的顺磁性化合物,其中包含 1,4-二氮杂
丁二烯的自由基阴离子。配合物3的结构通过X射线衍射分析确定。二价
镱的双(
茚基) (1) 和双(
芴基) (
C13H9)2YbII(THF)2 (2) 衍
生物与 1,4-二氮杂
丁二烯 PhN=C(Ph)-C(Ph)= 的反应NPh (Ph
DAD)(反应物的摩尔比为 1:2)进行 Yb-C 键的完全断裂和
镱原子氧化为三价态,并产生同
配体配合物 (Ph
DAD-·)3Yb (6) 含有三个自由基阴离子1,4-二氮杂二烯
配体。配合物 6 也可通过 YbCl3 与 Ph
DAD-·K+ (1:3)