1 Centre for Sustainable Chemical Technologies, Department of Chemistry, University of Bath, Claverton Down, Bath, BA2 7AY, UK. m.g.davidson@bath.ac.uk garciavdaniel@uniovi.es.
Metalation of an ammonium tris(phenol) ligand affords new lithium/sodium derivatives having central pseudocubane motifs in which one of the metallic positions is replaced by a four-coordinate hydrogen atom.