Regioselective Lithiation and Substitution of Tricarbonyl-(η6-1-methylindole)chromium(0): X-Ray Crystal Structure Analysis of Tricarbonyl-(η6-1-methyl-2-trimethylsilyl-7-ethoxycarbonylindole)chromium(0)

DOI: 10.1039/c39810001260

Source and publish data:

Journal of the Chemical Society. Chemical communications p. 1260 - 1262 (1981)

Update date:2022-08-04

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Authors:

Nechvatal, Gordon

Widdowson, David A.

Williams, David J.

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Article abstract of DOI:10.1039/c39810001260

Tricarbonyl(η⁶-1-methylindole)chromium(0) is lithiated by n-butyl-lithium at C-2 whereas tricarbonyl-(η⁶-1-methyl-2-trimethylsilylindole)chromium(0) is lithiated predominantly at C-7, as shown by X-ray analysis of the derived 7-ethoxycarbonyl derivative, and the 7-lithio species is substituted in good yield by a range of electrophiles.

Full text of DOI:10.1039/c39810001260

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