Lithium, sodium, and potassium magnesiate chemistry : a structural overview

Martínez-Martínez, A. J. and O'Hara, C. T. (2016) Lithium, sodium, and potassium magnesiate chemistry : a structural overview. Advances in Organometallic Chemistry. ISSN 0065-3055

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    Until recently, deprotonative metalation reactions have been performed using organometallic compounds that contain only a single metal (eg, organolithium reagents). Since the turn of the millennium, bimetallic compounds such as alkali metal magnesiates have begun to emerge as a new class of complementary metalating reagents. These have many benefits over traditional lithium compounds, including their enhanced stability at ambient temperatures, their tolerance of reactive functional groups and their stability in common reaction solvents. In recent years, lots of attention has been focused on understanding the structure of alkali metal magnesiates in an effort to maximize synthetic efficiency and thus shed insight into approaches for future rational design. In this chapter, the diverse structural chemistry of alkali metal magnesiate compounds reported since 2007 will be summarized.