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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Alkynylselenolatoalkylidynes (LnM C-Se-C CR) as building blocks for mixed metal/main-group extended frameworks
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Alkynylselenolatoalkylidynes (LnM C-Se-C CR) as building blocks for mixed metal/main-group extended frameworks

机译:炔基硒醇盐烷基苯胺(LNM C-SE-C CR)作为混合金属/主组扩展框架的构建块

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摘要

The reactions of [W( CBr)(CO)(2)(Tp*)] (Tp* = hydrotris(3,5-dimethylpyrazol-1-yl) borate) with lithium alkynylselenolates LiSeC CR (R = SiMe3, (SiPr3)-Pr-i , nBu, tBu, Ph, p-tolyl) afford the alkynylselenolatoalkylidyne complexes [W( CSeC CR)(CO)(2)(Tp*)]. Desilylation of the SiMe3 complex furnishes the parent [W( CSeC CH)(CO) 2(Tp*)], which may be further derivatised by deprotonation and treatment with triphenylcarbenium or triphenylmetal chlorides to give mixed-heteroatom products [W(= CSeC CEPh3) (CO)(2)(Tp*)] (E = C, Si, Ge, Sn, Pb). This procedure extends to dichlorosilanes, whereby the unusual bimetallic complexes [(Tp*)(CO)(2)W CSeC CSiRR'C CSeC W(CO)(2)(Tp*)] (R, R' = Ph, CH3) are obtained, bridged by unsaturated units interrupted by two different main-group heteroatoms. Finally, the trimetallic analogues, [{(Tp*)(CO)(2)W( CSeC C)}(3)SiR] (R = Ph, Et), may be prepared in the same manner from appropriate organotrichlorosilanes.
机译:[W(CBR)(CO)(2)(2)(TP *)](TP * = Hydrotris(3,5-二甲基吡唑-1-基)硼酸锂的反应,LisecCr(R = Sime3,(SiPR3) -1-1,NBU,TBU,pH值,对甲苯基)提供炔基硒烷基烷基硅烷络合物[W(CSEC Cr)(CO)(2)(Tp *)]。 SIME3复合物的脱甲硅烷化提供父母[W(CSEC CH)(CO)2(TP *)],其可以通过用三苯基甘油鎓或三苯基氯化物处理来进一步衍生化,得到混合杂原子产物[W(= CSEC Ceph3 )(CO)(2)(TP *)](E = C,Si,Ge,Sn,Pb)。 该程序延伸到二氯硅烷,由此不寻常的双金属复合物[(TP *)(CO)(2)W CSEC CSIRR'C CSEC W(CO)(2)(TP *)](R,R'= pH,CH3) 得到的,由两个不同的主群杂原子中断的不饱和单元桥接。 最后,可以以与适当的有机三氯硅烷相同的方式制备(R = pH,ET),以与合适的有机三氯硅烷相同的方式制备的粒状样品,[{(TP *)(CO)(2)W(CSEC C)}(3)SIR。

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