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In contrast to conventional stepwise synthesis of molecular Borromean rings, a self‐assembly synthetic method which proceeds without the aid of a template has been developed. In the formation of molecular rectangles, by adjustment of the long‐arm length of the rectangles, a series of size‐dependent Borromean‐link frameworks were constructed. Both the shortest length of two arms and the relative proportion...
Aktivposten: Der d0‐Neutralkomplex TaO4 spaltet Diwasserstoff heterolytisch unter Bildung von [HTaO(OH)(η2‐O2)] in festem Argon bei tiefen Temperaturen. Berechnungen ergeben, dass die Wasserstoffatome in [HTaO(OH)(η2‐O2)] leicht auf organische Verbindungen übertragen werden können. TaO4 kann folglich als Katalysatormodell für Hydrierungen dienen.
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