New metallocenes of early transition metals with functional groups in organic ligands. Red-ox transformationsстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Аннотация:The reduction behavior of the novel zirconocene dichlorides, (h5-C5Me5)(h5-C5Me4CH2CH2ER2)ZrCl2 (ER2 = NMe2, PMe2, PPh2), (h5-C5Me4CH2CH2PMe2)2ZrCl2, and (h5-C5Me4CH2CH2PPh2)(h5-C5Me4CH2CH2PMe2)ZrCl2, together with the new types of intramolecular activation of inert C–H and C-heteroatom bonds are presented and discussed. A remarkably thermally stable zirconocene alkylhydryde type framework complex (h5-C5Me5)[h5,s-C5Me4CH2CH2N(Me)CH2-]ZrH, zirconocene arylhydryde complex (h5-C5Me5)[h5,s-C5Me4CH2CH2P(Ph)-o-C6H4-]ZrH, tetramethylfulvene hydride-type complexes (h5-C5Me5)[h6:h1-(CH2C5Me3)CH2CH2PR2]ZrH (R = Me, Ph) and (h5-C5Me4CH2CH2PPh2)[h6:h1-(CH2C5Me3)CH2CH2PMe2]ZrH are reported. The first unusually thermally stable zirconocene (h5,h1-C5Me4CH2CH2PMe2)2Zr with the Zr(II) center stabilized by intramolecular coordination of two Me2P-groups is described.