Synthesis and Structure of a (Cu3S)-S-I Cluster Unsupported by Other Bridging Ligands

Zhai Junjie; Hopkins Michael D.; Hillhouse Gregory L.

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Synthesis and Structure of a (Cu3S)-S-I Cluster Unsupported by Other Bridging Ligands

机译：其他桥联配体不支持的（Cu3S）-S-I团簇的合成与结构

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The facile synthesis of a {LCuI}(3)(mu(3)-S) cluster supported by monodentate N-heterocyclic carbene ligands has been accomplished through an approach in which two-coordinate (NHC)Cu+ centers are installed sequentially on a sulfido ligand. The reaction between (IPr)CuCl (IPr = 1,3-bis(2,6-diisopropylphenyl)imidazol-2-ylidene) and S(SiMe3)(2) yields (IPr)Cu(SSiMe3) (2). Treatment of 2 with [(IPr)Cu-(NCMe)][BF4] produces the dicopper cluster [{(IPr)Cu}(2)(gamma-SSiMe3)][BF4] (3[BF4]), which undergoes subsequent reaction with (IPr)CuF to afford [{(IPr)Cu}(3)(mu(3)-S)] [BF4] (1[BF4]) in high yield. The X-ray crystal structure of 1[BF4] establishes it as a rare example of a Cu-n(I)(mu(n)-S)L-m cluster, and the first that is not also supported by other bridging ligands.

机译：通过单齿N-杂环卡宾配体支持的{LCuI}（3）（mu（3）-S）簇的轻松合成已通过一种方法完成，在该方法中，两个坐标（NHC）Cu +中心依次安装在硫基上配体。（IPr）CuCl（IPr = 1,3-双（2,6-二异丙基苯基）咪唑-2-亚烷基）和S（SiMe3）（2）之间的反应生成（IPr）Cu（SSiMe3）（2）。用[（（IPr）Cu-（NCMe）] [BF4]处理2将产生双铜簇[{（IPr）Cu}（2）（γ-SSiMe3）] [BF4]（3 [BF4]），随后进行与（IPr）CuF反应，以高收率得到[{（（IPr）Cu}（3）（mu（3）-S）] [BF4]（1 [BF4]）。 1 [BF4]的X射线晶体结构将其确定为Cu-n（I）（mu（n）-S）L-m团簇的罕见实例，并且第一个也不受其他桥连配体支持。

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《Organometallics》 |2015年第19期|共4页
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Zhai Junjie; Hopkins Michael D.; Hillhouse Gregory L.;
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Synthesis and Structure of a (Cu3S)-S-I Cluster Unsupported by Other Bridging Ligands

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