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Selective replacement of organosilicon units in the cluster [(PhSi)4S6] with coinage metal complex fragments.

Simon NierSven RingelbandStefanie Dehnen
Published in: Chemical communications (Cambridge, England) (2021)
Adamantane-type organo-group 14 chalcogenide clusters were shown to possess extreme non-linear optical properties. Reactivity studies of corresponding organosilicon sulfide clusters towards copper and silver complexes indicate a replacement of exactly one of the organosilicon groups with a metal complex fragment to form [(Et3PAg)3(PhSi)3S6] (1) and [Na2(thf)2.33][(Me3PCu)(PhSi)3S6] (2)-in striking contrast to reactions of organotin chalcogenide clusters, which are more significantly and less systematically re-organized. The silicon compounds are thus more suited for controlled modifications of their geometric and electronic structures.
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