In this work, the synthesis and solid-state structure of a lithium borate with 2,2-dipropylglycolato (GlyPr2) ligand has been described. The desired lithium borate as well as previously reported borates with methyllactato (ML) and mandelate (Man) ligands could be synthesized rapidly and cleanly by using LiBH4 as a reagent in THF. The solid-state structures of the THF- and glyme-solvates of LiB(GlyPr2)2 (3 and 4) were determined by XRD analysis. Both these structures, except DME-solvate 4a, have one dimensional aggregate (AGG) form (1D-chain) that contains a µ2-borate fragment. In contrast, the THF-solvates with other borates derived from MLH2 and (S)-ManH2 (1 and 2) are less soluble in THF and have tighter AGG (2D-layer) with the µ3-borate fragment in the solid state.
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