The First Isolation and Full Characterization of Fulvene Dianion. Synthesis and X-ray Structure of Dilithium Hexasilylfulvene Dianion
Organometallics1998Vol. 17(15), pp. 3143–3145
Citations Over TimeTop 18% of 1998 papers
Abstract
Treatment of hexasilylfulvene (4) with lithium metal in tetrahydrofuran yields yellow crystals of the dilithium hexasilylfulvene dianion (5). The dilithium hexasilylfulvene dianion (5) has a monomeric structure and forms a contact ion pair (bis-CIP) in the crystals. One of the lithium atoms is located above the center of the five-membered ring, whereas the other one is bonded to the exocyclic carbon atom. The bis-CIP structure determined by X-ray crystallography is maintained in solution.
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