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

N.D.R. Barnett, W. Clegg, Robert Mulvey, P.A. O'Neil, D. Reed

Research output: Contribution to journalArticle

9 Citations (Scopus)

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.

LanguageEnglish
Pages297-300
Number of pages4
JournalJournal of Organometallic Chemistry
Volume510
Issue number1-2
DOIs
Publication statusPublished - 21 Mar 1996

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Crystallization
Isomers
isomers
crystallization
Solvation
solvation
Crystal structure
Crystals
crystal structure
crystals
N,N,N',N'-tetramethylethylenediamine

Keywords

  • magnesium
  • sec butyl
  • crystal structure
  • nuclear magnetic resonance
  • organomagnesium
  • RAY

Cite this

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title = "Selective crystallization of di-sec-butylmagnesium. N,N,N',N'-tetramethylethylenediamine from solutions containing mixtures of normal-butyl and secondary-butyl isomers",
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.",
keywords = "magnesium, sec butyl, crystal structure, nuclear magnetic resonance, organomagnesium, RAY",
author = "N.D.R. Barnett and W. Clegg and Robert Mulvey and P.A. O'Neil and D. Reed",
year = "1996",
month = "3",
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doi = "10.1016/0022-328X(95)05900-A",
language = "English",
volume = "510",
pages = "297--300",
journal = "Journal of Organometallic Chemistry",
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number = "1-2",

}

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.; Clegg, W.; Mulvey, Robert; O'Neil, P.A.; Reed, D.

In: Journal of Organometallic Chemistry, Vol. 510, No. 1-2, 21.03.1996, p. 297-300.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Selective crystallization of di-sec-butylmagnesium. N,N,N',N'-tetramethylethylenediamine from solutions containing mixtures of normal-butyl and secondary-butyl isomers

AU - Barnett, N.D.R.

AU - Clegg, W.

AU - Mulvey, Robert

AU - O'Neil, P.A.

AU - Reed, D.

PY - 1996/3/21

Y1 - 1996/3/21

N2 - 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.

AB - 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.

KW - magnesium

KW - sec butyl

KW - crystal structure

KW - nuclear magnetic resonance

KW - organomagnesium

KW - RAY

U2 - 10.1016/0022-328X(95)05900-A

DO - 10.1016/0022-328X(95)05900-A

M3 - Article

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SP - 297

EP - 300

JO - Journal of Organometallic Chemistry

T2 - Journal of Organometallic Chemistry

JF - Journal of Organometallic Chemistry

SN - 0022-328X

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ER -