Y. Makioka et al., THE FIRST ISOLATION AND STRUCTURAL CHARACTERIZATION OF A LANTHANOID -IMINE AZAMETALLACYCLOPROPANE COMPLEX, [YB(ETA(2)-PH(2)CNPH)(HMPA)(3)], Organometallics, 15(26), 1996, pp. 5476-5478
A dianionic lanthanoid(II)-imine azametallacyclopropane complex, [Yb(e
ta(2)-Ph(2)CNPh)(hmpa)(3)] (hmpa=hexamethylphosphoramide), has been di
rectly synthesized by the reaction of ytterbium metal with N-(diphenyl
methylidene)aniline in THF/HMPA and structurally characterized by X-ra
y analysis.