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 0022-328XFull text not available in this repository. (Request a copy from the Strathclyde author)
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.
|Keywords:||magnesium, sec butyl, crystal structure, nuclear magnetic resonance, organomagnesium, RAY, Chemistry, Materials Chemistry, Biochemistry, Organic Chemistry, Physical and Theoretical Chemistry, Inorganic Chemistry|
|Subjects:||Science > Chemistry|
|Department:||Faculty of Science > Pure and Applied Chemistry|
|Depositing user:||Pure Administrator|
|Date Deposited:||05 Mar 2012 16:32|
|Last modified:||22 Mar 2017 12:01|