Metal carbonyl anions: From [Fe(CO)4]2- to [Hf(CO)6]2- and beyond

John E. Ellis

Research output: Contribution to journalReview articlepeer-review

89 Scopus citations

Abstract

A chronological survey of the syntheses and characterizations of homoleptic mononuclear metal carbonyl anions is presented, from the first isolated example, [Fe(CO)4]2-, to the most recently reported species, [Hf(CO6]2-. These materials are of historical interest, since they are the first compounds to contain transition metals in formal negative oxidation states, but remain important reagents in all areas of chemical synthesis and often closely resemble electron-rich nonmetallic compounds in their ability to function as Lewis and Brønsted bases, nucleophiles, and/or reducing agents. Prospects for the syntheses of new carbonyl anions for the very early and late transition metals and the lanthanides and actinides are also discussed.

Original languageEnglish (US)
Pages (from-to)3322-3338
Number of pages17
JournalOrganometallics
Volume22
Issue number17
DOIs
StatePublished - Aug 18 2003

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