Variable Coordination Modes of Potentially Tetradentate Phosphino- and Arsinoarylthiolato Ligands Derived from<i>E</i>(2-SHC<sub>6</sub>H<sub>4</sub>)<sub>3</sub>(<i>E</i>= P, As) in Gallium(III) Complexes
作者:Ana-Maria Vălean、Santiago Gómez-Ruiz、Luminita Silaghi-Dumitrescu、Evamarie Hey-Hawkins
DOI:10.1002/zaac.201300178
日期:2013.6
P(2-SHC6H4)3 (PS3H3) reacts with GaMe3 (1:1) to give GaMeP(2-SC6H4)2(2-SHC6H4)-κ3S,S′,P} (1), which could be deprotonated with NEt3 to give [NEt3H][GaMeP(2-SC6H4)3-κ3S,S′,P}] (2). The 1:2 reaction of E(2-SHC6H4)3 [E = P (PS3H3), As (AsS3H3)] with GaMe3 gave the dinuclear complexes GaMeE(2-SC6H4)2(2-SGaMe2(THF)}C6H4)-κ3S,S′,E} [E = P (3), As (4)]. Serendipitous hydrolysis of 4 resulted in small
P(2-SHC6H4)3 (PS3H3) 与 GaMe3 (1:1) 反应生成 GaMeP(2-SC6H4)2(2-SHC6H4)-κ3S,S',P} (1),可以去质子化用 NEt3 得到 [NEt3H][GaMeP(2-SC6H4)3-κ3S,S',P}] (2)。E(2-SHC6H4)3 [E = P (PS3H3), As (AsS3H3)] 与 GaMe3 的 1:2 反应得到双核配合物 GaMeE(2-SC6H4)2(2-SGaMe2(THF) }C6H4)-κ3S,S',E} [E = P (3), As (4)]。4 的偶然水解导致少量六核氢氧化镓络合物环-GaMe(μ-OH)}6As(2-SC6H4)3-κS,S',S''}2 (5)。配合物 1-4 得到了充分表征,配合物 2-5 也通过 X 射线晶体学进行了表征。