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Creators/Authors contains: "Yokley, Timothy W."

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  1. ; ; ; ; (, European Journal of Inorganic Chemistry)
    A set of novel, easily synthesized aluminum complexes, Al(κ2-N,N-2-(methylamino)pyridine)2R (R = Et, iBu) are reported. When subjected to 1 atm of CO2 pressure, each hemilabile pyridine arm dissociates and facilitates cooperative activation of the CO2 substrate reminiscent of a Frustrated Lewis Pair. This reaction has limited precedent for Al/N based Lewis Pair systems, and this is the first system readily shown to sequester multiple equivalents of CO2 per aluminum center. The ethyl variant then reacts further, inserting a third equivalent of CO2 into the aluminum alkyl to generate an aluminum carboxylate. Examples of this type of reactivity are rare under thermal conditions. A joint experimental/computational study validates the proposed reaction mechanism. 
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