New Chloro, μ-Oxo, and Alkyl Derivatives of Dioxomolybdenum(VI) and -Tungsten(VI) Complexes Chelated with N<sub>2</sub>O Tridentate Ligands: Synthesis and Catalytic Activities toward Olefin Epoxidation
作者:Yee-Lok Wong、Dennis K. P. Ng、Hung Kay Lee
DOI:10.1021/ic020173k
日期:2002.10.1
tungsten derivatives WO(2)(L(n))Cl (n = 6, 7) and [WO(2)(L(n))](2)O (n = 1, 4, 6, 7) were prepared by the reaction of WO(2)Cl(2)(DME) with HL(n) in the presence of triethylamine. Similar to their molybdenum analogues, the tungsten alkyl complexes WO(2)(L(n))(R) (n = 6, 7; R = Me, Et, CH(2)SiMe(3), C(6)H(4)(t)Bu-4) were synthesized by treating WO(2)(L(n))Cl or [WO(2)(L(n))](2)O (n = 6, 7) with the appropriate
通过MoO(2)Cl(2)(DME)(DME = 1)反应制备了一系列新的顺式-二氧钼钼(VI)复合物MoO(2)(L(n))Cl(n = 1-5)在三乙胺存在下,用2-N-(2-吡啶基甲基)氨基苯酚(HL(1))或它的N-烷基衍生物(HL(n))(n = 2-5)与(2-二甲氧基乙烷)。还通过用MoO(2)处理相应的配体HL(n)来制备新的mu-oxo二钼化合物[MoO(2)(L(n))](2)O(n = 1,4,5,7) )(acac)(2)(acac =乙酰丙酮酸)在温热的甲醇溶液中或在稀HCl的存在下(NH(4))(6)[Mo(7)O(24)]。4H(2)O。用格氏试剂Me(3)SiCH(2)MgCl处理MoO(2)(L(1))Cl或[MoO(2)(L(1))](2)O得到烷基化合物MoO(2 )(L(1))(CH(2)SiMe(3)),代表由N(2)O型辅助配体支撑的二氧钼(VI