Details are given for the preparation of "uranocene," U(C8H8)2, from UC14 and CSH82-in THF. Uranocene reacts only slowly with water or acetic acid but decomposes with oxygen, bases, and strong acids. It does not undergo electrophilic substitutions or metallation reactions. Its chemistry is discussed in terms of a simple theory of the electronic structure that involves covalent interaction of the highest occupied e2u ligand MO's with metal fx yi and f(z= _ AO's.
einander gemischten Fluoriden zu erschmelzen (siehe Tabelle I): Fluoride der Metalle der zweiten und dritten Haupt-und Nebengruppe, der Lanthanide, einiger Actinide, sowie ZrF4, HfF4, PbF2 und BiF?. Alle iibrigen festen Metallfluoride konnen diesen Gllsern zugesetzt werden. Auch konnen Phosphate uber groBe Konzentrationsbereiche eingebaut werden.
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