Cuproussiloxane as two self-assemblies, Cu20O20Si10Me10R10 and Cu24O24Si12Me12R12, with catalytic property†,10.1039/D2DT01018F

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Lactoyl-CoA 全氟丁基戊烷白叶藤碱全氟己基辛烷新白叶藤碱壳寡糖特色专题-生物多肽

Cuproussiloxane as two self-assemblies, Cu20O20Si10Me10R10 and Cu24O24Si12Me12R12, with catalytic property†

Wenjun Jiang,Jinjin Wang,Yilin Chen,Zhikang Chen,Jiancheng Li,Liuyin Jiang,Yanbo Peng,Hongping Zhu

Dalton Transactions Pub Date : 07/27/2022 00:00:00 , DOI:10.1039/D2DT01018F

Abstract

Cuproussiloxane (1) was prepared from the reaction of silanediol R(Me)Si(OH)₂ (R = N(SiMe₃)(2,6-iPr₂C₆H₃)) and (CuMes)₄ (Mes = 2,4,6-Me₃C₆H₂). The prepared compound crystalizes into two self-assemblies: Cu₂₄O₂₄Si₁₂Me₁₂R₁₂ ([(CuO)₂Si(Me)R]₁₂, 1a) and Cu₂₀O₂₀Si₁₀Me₁₀R₁₀ ([(CuO)₂Si(Me)R]₁₀, 1b). 1a and 1b feature dodecagonal and decagonal prism X-ray structures, respectively. 1 was found to exhibit good to excellent activity for catalyzing the aerobic C–P cross-coupling reaction of terminal alkynes with H-phosphonates to form alkynylphosphonates (70–99% yields).