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Issue 31, 2014
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1H Pure Shift DOSY: a handy tool to evaluate the aggregation and solvation of organolithium derivatives

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Abstract

Determination of the structure and solvation states of organolithium aggregates in complex solution remains a challenging task. Here, we show that 1H Pure Shift DOSY NMR provides better resolution spectra without overlapping, even for complex solutions of mixed aggregates of n-BuLi/n-BuOLi. This ensures the direct observation of the apparent diffusion constant for each component in the solution and therefore allows a fast assignment of aggregation states, and solvation degree.

Graphical abstract: 1H Pure Shift DOSY: a handy tool to evaluate the aggregation and solvation of organolithium derivatives

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Publication details

The article was received on 06 Jan 2014, accepted on 26 Feb 2014 and first published on 26 Feb 2014


Article type: Communication
DOI: 10.1039/C4CC00111G
Author version available: Download Author version (PDF)
Citation: Chem. Commun., 2014,50, 4073-4075
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    1H Pure Shift DOSY: a handy tool to evaluate the aggregation and solvation of organolithium derivatives

    G. Hamdoun, M. Sebban, E. Cossoul, A. Harrison-Marchand, J. Maddaluno and H. Oulyadi, Chem. Commun., 2014, 50, 4073
    DOI: 10.1039/C4CC00111G

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