Inert and Labile [Ru(L)(‘pyS4’)] Complexes with Rigid [RuNS4] Cores andtrans-Thiolate Donors [L = PPh3, PEt3, DMSO, CO, NO+, N2H4; ‘pyS4’2– = 2,6-Bis(2-mercaptophenylthio)dimethylpyridine(2–)]
作者:Dieter Sellmann、Klaus Engl、Frank W. Heinemann
DOI:10.1002/(sici)1099-0682(200003)2000:3<423::aid-ejic423>3.0.co;2-m
日期:2000.3
ruthenium complexes having [RuNS4] cores, a non-fluxional configuration, trans-thiolate donors, and exchangeable coligands L, [Ru(L)(‘pyS4’)] complexes have been synthesized [‘pyS4’2– = 2,6-bis(2-mercaptophenylthio)dimethylpyridine(2–)]. Treatment of [RuCl2(PPh3)3] with ‘pyS4’2– gave [Ru(PPh3)(‘pyS4’)] (1). Alkylation of 1 with excess MeI yielded [Ru(PPh3)(‘pyS4’–Me2)]I2 (2). [Ru(DMSO)(‘pyS4’)] (3) was
为了寻找具有 [RuNS4] 核心、非流动构型、反式硫醇盐供体和可交换配体 L 的钌配合物,已经合成了 [Ru(L)('pyS4')] 配合物 ['pyS4'2– = 2,6-双(2-巯基苯硫基)二甲基吡啶(2-)]。[RuCl2(PPh3)3] 用'pyS4'2– 处理得到[Ru(PPh3)('pyS4')] (1)。1 与过量 MeI 的烷基化产生 [Ru(PPh3)('pyS4'–Me2)]I2 (2)。[Ru(DMSO)('pyS4')] (3) 是从 [RuCl2(DMSO)4] 和 'pyS4'2- 获得的。证明 1、2 和 3 中的 PPh3 或 DMSO 配体对取代非常惰性。在极端条件下,只有 DMSO 可以被 CO 取代,产生 [Ru(CO)('pyS4')] (4)。[RuCl2(CH3CN)4] 用'pyS4'2– 处理产生[Ru('pyS4')]2 (5);在 PEt3