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

Hevia, E. and Gallagher, D.J. and Kennedy, A.R. and Mulvey, R.E. and O'Hara, C.T. and Talmard, C. (2004) Isolation and characterisation of the mixed-metal alkyl amide [(TMEDA)Na(mu-Bu)(mu-TMP)Mg(TMP)], an unexpected chelate-trapped intermediate in the formation of inverse crowns. Chemical Communications (London), 2004 (21). pp. 2422-2423. ISSN 0009-241X

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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(mu-Bu)(mu-TMP) Mg(TMP)], which itself affords the phenyl-bridged analogue when reacted with benzene.