Structural variations in bimetallic sodium-magnesium and sodium-zinc ketimides, and a sodium-zinc alkide-alkoxide-amide: connections to ring-stacking, ring-laddering, and inverse crown concepts

Clegg, W. and Dale, S.H. and Graham, D.V. and Harrington, R.W. and Hevia, E. and Hogg, L.M. and Kennedy, A.R. and Mulvey, R.E. (2007) Structural variations in bimetallic sodium-magnesium and sodium-zinc ketimides, and a sodium-zinc alkide-alkoxide-amide: connections to ring-stacking, ring-laddering, and inverse crown concepts. Chemical Communications (London) (16). pp. 1641-1643. ISSN 0009-241X (http://dx.doi.org/10.1039/b618609b)

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Abstract

The first sodium-magnesium and sodium-zinc ketimido complexes display contrasting inverse crown ring and pseudo-cubane structures respectively, while a sodium-zinc heterotrianionic alkide-alkoxide-amide adopts a third type of structure with a stepped ladder motif.