Ligand-Induced Ring Slippage of η<sup>6</sup><i>-</i> to η<sup>4</sup><i>-</i>Naphthalene. Preparation and Structural Characterization of Ru(η<sup>4</sup>-C<sub>10</sub>H<sub>8</sub>)(η<sup>4</sup>-1,5-C<sub>8</sub>H<sub>12</sub>)(L) [L = PMe<sub>3</sub>, PEt<sub>3</sub>, P(OMe)<sub>3</sub>] and of Derived Binuclear Complexes Containing Bridging Naphthalene, Ru<sub>2</sub>(μ-η<sup>6</sup>:η<sup>4</sup>-C<sub>10</sub>H<sub>8</sub>)(η<sup>4</sup>-1,5-C<sub>8</sub>H<sub>12</sub>)<sub>2</sub>(L) [L = PEt<sub>3</sub>, P(OMe)<sub>3</sub>]
作者:Martin A. Bennett、Zhaobin Lu、Xianqi Wang、Mark Bown、David C. R. Hockless
DOI:10.1021/ja981027+
日期:1998.10.1
Ru(η6-C10H8)(η4-1,5-C8H12) (1), with a slight excess of trimethylphosphine, triethylphosphine, trimethyl phosphite, triethyl phosphite, or tert-butyl isocyanide below room temperature gives η4-naphthalene complexes Ru(η4-C10H8)(η4-1,5-C8H12)(L) [L = PMe3 (3), PEt3 (4), P(OMe)3 (5), P(OEt)3 (6), t-BuNC (7)], which provide the first examples of the often postulated η6 to η4 transformation of naphthalene
(η6-萘)(η4-1,5-环辛二烯)钌(0), Ru(η6-C10H8)(η4-1,5-C8H12) (1), 用略微过量的三甲基膦、三乙基膦、三甲基亚磷酸酯、亚磷酸三乙酯或异氰化叔丁基生成 η4-萘配合物 Ru(η4-C10H8)(η4-1,5-C8H12)(L) [L = PMe3 (3), PEt3 (4), P (OMe)3 (5), P(OEt)3 (6), t-BuNC (7)],它们提供了通常假设的由二电子供体配体诱导的萘从 η6 到 η4 转化的第一个例子。η4-萘很容易被过量的配体取代,得到 RuL3(η4-1,5-C8H12)。在室温下,配合物 1 与缺乏 PMe3、PEt3 或 P(OMe)3 反应生成含有桥联萘 (η4-1,5-C8H12)Ru(μ-η6:η4-C10H8)Ru( η4-1,5-C8H12)(L) [L = PMe3 (8), PEt3 (9), P(OMe)3