Synthesis of the mixed lithium-magnesium, mixed amide (R,R/S,S)-[{LiMg(TMP)[CH2Si(Me)(2)N(SiMe3)]}(2)]: a conformationally-locked structure of five fused rings inducing two stereogenic nitrogen centres

Kennedy, A.R. and MacLellan, J.G. and Moir, J.H. and Mulvey, R.E. and Rodger, P.J.A. (2000) Synthesis of the mixed lithium-magnesium, mixed amide (R,R/S,S)-[{LiMg(TMP)[CH2Si(Me)(2)N(SiMe3)]}(2)]: a conformationally-locked structure of five fused rings inducing two stereogenic nitrogen centres. Chemical Communications (London), 2000 (18). pp. 1757-1758. ISSN 0009-241X (http://dx.doi.org/10.1039/b004317f)

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Abstract

Reaction of the magnesium amide Mg(TMP)2 with the lithium amide LiHMDS is accompanied by an unexpected, sterically-promoted hydrogen transfer/amine elimination process, to yield the novel title compound which is the first such heterometallic composition to contain a heteroleptic amide ligand set.