Triple-Stranded Cluster Helicates for the Selective Catalytic Oxidation of C–H Bonds
journal contributionposted on 27.09.2016 by Yu Fang, Wei Gong, Lujia Liu, Yan Liu, Yong Cui
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Triple-stranded cluster helicates with heptametallic dicubane cores are synthesized by entrapping metals in the cavities of linear triple helicates based on a C2-symmetrical hexadentate Schiff-base ligand of ortho-substitued biphenol. The helicates are stable in both the solution and solid states, and the copper species could selectively catalyze the oxidation of C–H bonds of alkanes to ketones.