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J Am Chem Soc. 2003 Oct 29;125(43):13020-1.

Metallabenzene versus Cp complex formation: a DFT investigation.

Author information

1
Department of Organic Chemistry, Weizmann Institute of Science, 76100 Rehovot, Israel.

Abstract

One common reaction that metallabenzene complexes undergo is the formation of cyclopentadienyl (Cp) complexes. Density functional theory (DFT) was used here to investigate the reaction mechanism. It was found that the reaction can proceed via a carbene migratory insertion class of C-C coupling. Cp complexes are found to be thermodynamically favored, except for the case of (C5H5Ir)(PH3)2Cl2 (1j) where the metallabenzene was favored. Isolation a rhodiabenzene of the type (C5H5Rh)(PH3)2Cl2 (1m) and a palladiabenzene, such as (C5H5Pd)Cp (1p), may be possible.

PMID:
14570463
DOI:
10.1021/ja037983v

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