Isolation and characterisation of the mixed-metal alkyl amide [(TMEDA)Na(μ-Bu)(μ-TMP)Mg(TMP)], an unexpected chelate-trapped intermediate in the formation of inverse crowns

Literature Information

Publication Date 2004-09-23
DOI 10.1039/B410293B
Impact Factor 6.222
Authors

Eva Hevia, Daniel J. Gallagher, Alan R. Kennedy, Robert E. Mulvey, Charles T. O'Hara, Christine Talmard


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Abstract

Only two-fold amination occurs when 3 molar equivalents of TMPH are offered to a 1 ∶ 1 BuNa–Bu2Mg mixture; adding TMEDA gives the mixed alkyl amide [(TMEDA)Na(μ-Bu)(μ-TMP)Mg(TMP)], which itself affords the phenyl-bridged analogue when reacted with benzene.

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