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Structure determination using the method of continuous variation: lithium phenolates solvated by protic and dipolar aprotic ligands.


ABSTRACT: The method of continuous variation (MCV) was used in conjunction with (6)Li NMR spectroscopy to characterize four lithium phenolates solvated by a range of solvents, including N,N,N',N'-tetramethylethylenediamine, Et2O, pyridine, protic amines, alcohols, and highly dipolar aprotic solvents. Dimers, trimers, and tetramers were observed, depending on the precise lithium phenolate-solvent combinations. Competition experiments (solvent swaps) provide insights into the relative propensities toward mixed solvation.

SUBMITTER: Tomasevich LL 

PROVIDER: S-EPMC3759316 | biostudies-literature | 2013 Aug

REPOSITORIES: biostudies-literature

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Structure determination using the method of continuous variation: lithium phenolates solvated by protic and dipolar aprotic ligands.

Tomasevich Laura L LL   Collum David B DB  

The Journal of organic chemistry 20130715 15


The method of continuous variation (MCV) was used in conjunction with (6)Li NMR spectroscopy to characterize four lithium phenolates solvated by a range of solvents, including N,N,N',N'-tetramethylethylenediamine, Et2O, pyridine, protic amines, alcohols, and highly dipolar aprotic solvents. Dimers, trimers, and tetramers were observed, depending on the precise lithium phenolate-solvent combinations. Competition experiments (solvent swaps) provide insights into the relative propensities toward mi  ...[more]

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