Journal of the Chemical Society. Chemical communications p. 1260 - 1262 (1981)
Update date:2022-08-04
Topics:
Nechvatal, Gordon
Widdowson, David A.
Williams, David J.
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.
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