Naphthalene Complexes. Part 1. Metal Vapour Preparation of Bis(η6-naphthalene)chromium(o) and its Arene Replacement Reactions

DOI: 10.1039/DT9800000991

Source and publish data:

Journal of the Chemical Society, Dalton Transactions p. 991 - 995 (1980)

Update date:2022-07-29

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Authors:

Kuendig, Ernst Peter

Timms, Peter L.

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Article abstract of DOI:10.1039/DT9800000991

Bis(η⁶-naphthalene)chromium(o), formed in high yield from chromium atoms and naphthalene in solution at -80 deg C, is a thermally stable but very reactive compound.Two-electron donor ligands displace one naphthalene ring or both naphthalene rings (L = CO, CNBu^t, or CNC6H11) in rapid reactions at room temperature.The product is susceptible to further displacement of naphthalene by CO at 0 deg C.The reaction of chromium atoms with 1,4-dimethylnaphthalene is stereospecific.More than 95percent of the product is the isomer of in which the unsubstituted ring is bonded to the metal.Bis(1-methylnaphthalene)chromium exists as a mixture of 10 isomers which can be distinguished on the basis of their (1)H n.m.r. spectra.

Full text of DOI:10.1039/DT9800000991

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