Selective crystallization of di-sec-butylmagnesium. N,N,N',N'-tetramethylethylenediamine from solutions containing mixtures of normal-butyl and secondary-butyl isomers

Barnett, N.D.R. and Clegg, W. and Mulvey, Robert and O'Neil, P.A. and Reed, D. (1996) Selective crystallization of di-sec-butylmagnesium. N,N,N',N'-tetramethylethylenediamine from solutions containing mixtures of normal-butyl and secondary-butyl isomers. Journal of Organometallic Chemistry, 510 (1-2). pp. 297-300. ISSN 0022-328X (https://doi.org/10.1016/0022-328X(95)05900-A)

Abstract

Found to crystallise selectively from treatment of commercial (s)Bu((n)Bu)Mg solutions with N,N,N',N'-tetramethylethylenediamine (TMEDA), the complex ((s)Bu(2)Mg . TMEDA) is mononuclear in the crystal state and undergoes a solvation-desolvation equilibrium in arene solution. The crystal structure is noteworthy for the large C-Mg-C bond angle of 133.6(2)degrees, attributable to the branched nature of the alkyl substituents. This angular distortion is thought to encourage the partial loss of TMEDA from Mg centres in solution.

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• Item metadata

  Item type:	Article
  ID code:	38168
  Dates:	Date Event 21 March 1996 Published
  Subjects:	Science > Chemistry
  Department:	Faculty of Science > Pure and Applied Chemistry
  Depositing user:	Pure Administrator
  Date deposited:	05 Mar 2012 16:32
  Last modified:	08 Apr 2024 19:51
  URI:	https://strathprints.strath.ac.uk/id/eprint/38168