| Literature DB >> 22730416 |
Ann-Christin Pöppler1, Helena Keil, Dietmar Stalke, Michael John.
Abstract
Lithium in the gel: The NMR spectroscopic properties of common organolithium and lithium amide reagents are investigated in the anisotropic environment of a stretched polystyrene (PS) gel. PS is stable towards reactive organometallic compounds and can be used at low temperatures. The residual quadrupolar couplings (RQCs) from a single (7)Li NMR spectrum can distinguish between high (hexamer, tetramer) and low (dimer, monomer) aggregation states (see scheme).Entities:
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Year: 2012 PMID： 22730416 DOI： 10.1002/anie.201202116
Source DB: PubMed Journal: Angew Chem Int Ed Engl ISSN： 1433-7851 Impact factor: 15.336