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Creators/Authors contains: "Mo, Zixuan"

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  1. ; ; ; ; ; ; (, Dalton Transactions)
    Reductive catalysis with earth-abundant metals is currently of increasing importance and shows potential in replacing precious metal catalysis. In this work, we revealed catalytic hydroboration and hydrosilylation of ketones and aldehydes achieved by a structurally defined manganese( ii ) coordination polymer (CP) as a precatalyst under mild conditions. The manganese-catalysed methodology can be applied to a range of functionalized aldehydes and ketones with turnover numbers (TON) of up to 990. Preliminary results on the regioselective catalytic hydrofunctionalization of styrenes by the Mn-CP catalyst are also presented. 
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  2. ; ; ; ; ; ; (, Organic Chemistry Frontiers)
    Hydroboration of terminal and internal alkynes has been carried out with extremely high efficiency by using a bench-stable and inexpensive cobalt( ii ) coordination polymer as a precatalyst in the presence of potassium tert -butoxide (KO t Bu). Good to high yields of alkenylboronate esters were obtained in 5–30 min with low catalyst loading (0.025 mol%). Good chemoselectivity for alkyne vs alkene hydroboration was observed. A possible catalytic cycle involving the in situ formation of an active Co–H species is proposed based on additional experimental results. This work provides valuable implications for the design of efficient and practical base metal catalysts. 
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