Cu<sub>24</sub>O<sub>24</sub>Si<sub>8</sub>R<sub>8</sub>: Organic Soluble 56-Membered Copper(I) Siloxane Cage and Its Use in Homogeneous Catalysis
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Organic soluble 56-membered copper(I) siloxane cage compound Cu24O24Si8R8 (1, R = (2,6-iPr2C6H3)N(SiMe3)) has been synthesized and structurally characterized. It consists of a copper silica-supported structure, in which the metal ions are two-coordinate and covalently anchored onto the cage surface and the weak metal···metal d10−d10 interactions are widely full within the cage, that is active in catalyzing the Ullmann−Goldberg-type C−N coupling reaction involving aryl or 2-thienyl bromides with heterocyclic nitrogen nucleophiles. This work provides insight into homogeneous catalysis utilizing the heterogeneous structure.
创建时间：
2016-02-24
