Crystal and Solution Structures of [tBu2CNLi·OP(NMe2)3]n

Barr, D. and Clegg, W. and Mulvey, Robert and Reed, D. and Snaith, R. (1985) Crystal and Solution Structures of [tBu2CNLi·OP(NMe2)3]n. Angewandte Chemie International Edition, 24 (4). pp. 328-329. ISSN 1433-7851 (https://doi.org/10.1002/anie.198503281)

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Abstract

The first dimeric lithium alkylideneamide with a μ2-nitrogen ligand and resulting Li2N2 ring is the solvent-stabilized title compound 1. The ring is exactly planar. Both the dimer 1 and the monomer are present in aromatic solvents, as was confirmed by cryoscopic Mr determinations in combination with high-field 1H- and 7Li-NMR measurements