BIS-(PENTAMETHYLCYCLOPENTADIENYL) YTTERBIUM AS AN ELECTRON TRANSFER REAGENT TOWARD ORGANIC AND ORGANO-TRANSITION METAL COMPOUNDS

PREPARATION OF Yb[N(SiMe3)2]2[AlMe3]2; A COMPLEX WITH POUR Yb-Me-Al INTERACTIONS

BIS (PENTAMETHYLCYCLOPENTADIENYL) YTTERBIUM (II) AS A LEWIS ACID AND AN ELECTRON-TRANSFER LIGAND; PREPARATION, CRYSTAL STRUCTURE, AND SOLUTION DYNAMICS OF [Yb(C5Me5)2( u-OC)2Mo-(CO) (C5H4)]2

BIS (PENTAMETHYLCYCLOPENTADIENYL) YTTERBIUM (II) AS A LEWIS ACID AND ELECTRON-TRANSFER LIGAND; PREPARATION AND CRYSTAL STRUCTURES OF [Yb(Me5C5)2(u-CO)x Mn(CO)5-x]y WHERE X AND Y ARE TWO AND X IS THREE AND Y IS INFINITE

PREPARATION OF [Yb (C5Me5)2]2 [Co3(C5H4R)2 (u3-CO)4 , R = H, Me, SiMe3; AN EXAMPLE OF A HEXAGONAL-PLANAR, 47-ELECTRON TRANSITION METAL FRAGMENT

BIS(PENTAMETHYLCYCLOPENTADIENYL) YTTERBIUM (II) AS A LEWIS ACID AND AN ELECTRON-TRANSFER LIGAND; PREPARATION AND CRYSTAL STRUCTURE OF [Yb(C5Me5)2 (u -OC)2Fe(C5H4Me)]2

DIVALENT LANTHANIDE CHEMISTRY. PREPARATION OF BASE-FREE DIMERIC BIS [BIS(TRIMETHYLSILYL) AMIDO] -YTTERBIUM(II) AND SOME OF ITS REACTIONS WITH PROTIC ACIDS

REACTION OF M(C5Me5)2(OEt2),M = Eu OR Yb, WITH PHENYLRCETYLENE; FORMATION OF MIXED-VALENCE Yb3(C5Me5)4(u-=CPh)4 AND Eu2(C5Me5)2(u-C=CPH)2(thf)4

DIVALENT LANTHANIDE CHEMISTRY. REACTION OF BASE-FREE BIS |BIS(TRIMETHYLSILYL)AMIDE] YTTERBIUM (II) WITH SUBSITUTED CYCLOPENTADIENES; PREPARATIONS OF BASE-FREE BIS(PENTAMETHYLCYCLOPENTADIENYL) YTTERBIUM (II)