A Monomeric Organolithium Compound Containing a Free Pyramidal Carbanion in Solution and in the Solid State

A suitable bridle, created by intramolecular chelation of the Li cation, and lack of π delocalization, yielded the first monomeric lithium organyl compound containing an unassociated tetrahedral carbanionic center (see picture). The zwitterionic structure found in the solid state is preserved in sol...

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Veröffentlicht in:	Angewandte Chemie International Edition 2004-05, Vol.43 (19), p.2521-2524
Hauptverfasser:	Breher, Frank, Grunenberg, Jörg, Lawrence, Sally C., Mountford, Philip, Rüegger, Heinz
Format:	Artikel
Sprache:	eng
Schlagworte:	cage compounds carbanions lithium N ligands zwitterions
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creator	Breher, Frank Grunenberg, Jörg Lawrence, Sally C. Mountford, Philip Rüegger, Heinz
description	A suitable bridle, created by intramolecular chelation of the Li cation, and lack of π delocalization, yielded the first monomeric lithium organyl compound containing an unassociated tetrahedral carbanionic center (see picture). The zwitterionic structure found in the solid state is preserved in solution. Only weak electrostatic Li+⋅⋅⋅C− interactions are apparent; there is no Li–C contact and therefore no “classical” aggregation.
doi_str_mv	10.1002/anie.200353308
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The zwitterionic structure found in the solid state is preserved in solution. Only weak electrostatic Li+⋅⋅⋅C− interactions are apparent; there is no Li–C contact and therefore no “classical” aggregation.</abstract><cop>Weinheim</cop><pub>WILEY-VCH Verlag</pub><pmid>15127441</pmid><doi>10.1002/anie.200353308</doi><tpages>4</tpages></addata></record>
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subjects	cage compounds carbanions lithium N ligands zwitterions
title	A Monomeric Organolithium Compound Containing a Free Pyramidal Carbanion in Solution and in the Solid State
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