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ABSTRACT:
SUBMITTER: Gruver JM
PROVIDER: S-EPMC2636848 | biostudies-literature | 2008 Oct
REPOSITORIES: biostudies-literature
The Journal of organic chemistry 20080910 19
The method of continuous variation was used to characterize lithium enolates, phenolates, carboxylates, and alkoxides solvated by N,N,N',N'-tetramethylethylenediamine (TMEDA). The method relies on characterizing an ensemble of homo- and heteroaggregates using (6)Li NMR spectroscopy. A combination of aggregate counts and symmetries, nearly statistical distributions, and quantitative parametric fits revealed that cyclic dimers are the dominant forms. Nonstatistical distributions favoring heteroagg ...[more]