Isolable metallo-germylene and metallo-stannylene σ-complexes with iron

Shigeyoshi Inoue, Matthias Driess

Research output: Contribution to journalArticlepeer-review

45 Scopus citations

Abstract

Conversion of the β-diketiminato Ge(II) chloride LGeCl [L = CH{CMe(NAr)}2, Ar = 2,6-iPr2C6H 3] (1) and its tin homologue LSnCl (2) with the anionic iron complex K[Fe(η5-C5H5)(CO)2] leads to the iron-germylene LGeFe(η5-C5H5)(CO) 2 (3) and iron-stannylene LSnFe(η5-C5H 5)(CO)2 (4), respectively. The compounds 3 amd 4 were characterized by NMR, IR, and UV-vis spectroscopy as well as theoretical studies. The structure of 3 was also determined by X-ray crystallography. The experimental and computed structures show clealy that the Fe-E (E = Ge, Sn) bond is a single bond in compounds 3 and 4. They represent the isolable iron-germylene and -stannylene σ-complexes. Notably, compound 3 is the first example of iron-germylene σ-complexes ever characterized by X-ray analysis.

Original languageEnglish
Pages (from-to)5032-5035
Number of pages4
JournalOrganometallics
Volume28
Issue number17
DOIs
StatePublished - 14 Sep 2009
Externally publishedYes

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