Abstract

AbstractThe cover picture shows a stereoselective mononuclear triple‐stranded helicate complex. Three chiral binaphthol N‐oxide derivative ligands are coordinated to a trivalent ytterbium metal atom. This very stable and symmetrical structure was obtained by spontaneous self‐assembly. NMR spectroscopy and X‐ray crystallography were used for unambiguous characterisation. In the picture, the greenish sphere indicates the ytterbium atom and the larger spheres indicate the oxygen atoms. All those ligands, depicted in different shades to highlight the helical effect, are identical. Details are discussed in the article by M. Capó et al. on p. 3405 ff.

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