6 Li and 15 N NMR spectroscopic studies of lithium diethylamide (Et 2 NLi) solvated by oxetane, THF, and Et 2 O are described. Four-, five-, and six-rung ladders, as well as cyclic dimers and trimers, are identified. In addition, dynamic processes within the trimers and ladders are detected. The symmetries of the aggregates facilitated the determination of relatively complex solution structures and equilibria.
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Rutherford et al. (1999) studied this question.
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