A new type of structure in sodium amide ring chemistry: crystal structure of [PhCH2(Me)NNa(tmeda)]2 showing a buckled, rather than the normal planar, (NNa)2 cyclic ring, with a cisoid, rather than the normal transoid, arrangement of amido-substituents (tmeda = tetramethylethylenediamine)

P C ANDREWS, D R ARMSTRONG, W CLEGG, M MACGREGOR, Robert Mulvey

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Abstract

The red crystalline complex [PhCH2(Me)NNa(tmeda)]2, synthesised from equimolar proportions of PhNa, the secondary amine PhCH2(Me)NH and the Lewis base tmeda (tetramethylethylenediamine, Me2NCH2CH2NMe2), has been structurally identified by X-ray diffraction studies, which reveals a new type of structure based on a buckled (NNa)2 dimeric ring with a cisoid arrangement of amido-substituents.

LanguageEnglish
Pages497-498
Number of pages2
JournalJournal of the Chemical Society, Chemical Communications
Issue number7
DOIs
Publication statusPublished - 1 Apr 1991

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Amides
Sodium
Lewis Bases
X-Ray Diffraction
Amines
N,N,N',N'-tetramethylethylenediamine

Keywords

  • molecular-orbital methods
  • Valence basis-sets
  • elements
  • crystalline complex
  • crystal structures

Cite this

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title = "A new type of structure in sodium amide ring chemistry: crystal structure of [PhCH2(Me)NNa(tmeda)]2 showing a buckled, rather than the normal planar, (NNa)2 cyclic ring, with a cisoid, rather than the normal transoid, arrangement of amido-substituents (tmeda = tetramethylethylenediamine)",
abstract = "The red crystalline complex [PhCH2(Me)NNa(tmeda)]2, synthesised from equimolar proportions of PhNa, the secondary amine PhCH2(Me)NH and the Lewis base tmeda (tetramethylethylenediamine, Me2NCH2CH2NMe2), has been structurally identified by X-ray diffraction studies, which reveals a new type of structure based on a buckled (NNa)2 dimeric ring with a cisoid arrangement of amido-substituents.",
keywords = "molecular-orbital methods, Valence basis-sets, elements, crystalline complex , crystal structures",
author = "ANDREWS, {P C} and ARMSTRONG, {D R} and W CLEGG and M MACGREGOR and Robert Mulvey",
year = "1991",
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language = "English",
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journal = "Journal of the Chemical Society, Chemical Communications",
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TY - JOUR

T1 - A new type of structure in sodium amide ring chemistry: crystal structure of [PhCH2(Me)NNa(tmeda)]2 showing a buckled, rather than the normal planar, (NNa)2 cyclic ring, with a cisoid, rather than the normal transoid, arrangement of amido-substituents (tmeda = tetramethylethylenediamine)

AU - ANDREWS, P C

AU - ARMSTRONG, D R

AU - CLEGG, W

AU - MACGREGOR, M

AU - Mulvey, Robert

PY - 1991/4/1

Y1 - 1991/4/1

N2 - The red crystalline complex [PhCH2(Me)NNa(tmeda)]2, synthesised from equimolar proportions of PhNa, the secondary amine PhCH2(Me)NH and the Lewis base tmeda (tetramethylethylenediamine, Me2NCH2CH2NMe2), has been structurally identified by X-ray diffraction studies, which reveals a new type of structure based on a buckled (NNa)2 dimeric ring with a cisoid arrangement of amido-substituents.

AB - The red crystalline complex [PhCH2(Me)NNa(tmeda)]2, synthesised from equimolar proportions of PhNa, the secondary amine PhCH2(Me)NH and the Lewis base tmeda (tetramethylethylenediamine, Me2NCH2CH2NMe2), has been structurally identified by X-ray diffraction studies, which reveals a new type of structure based on a buckled (NNa)2 dimeric ring with a cisoid arrangement of amido-substituents.

KW - molecular-orbital methods

KW - Valence basis-sets

KW - elements

KW - crystalline complex

KW - crystal structures

U2 - 10.1039/C39910000497

DO - 10.1039/C39910000497

M3 - Article

SP - 497

EP - 498

JO - Journal of the Chemical Society, Chemical Communications

T2 - Journal of the Chemical Society, Chemical Communications

JF - Journal of the Chemical Society, Chemical Communications

SN - 0022-4936

IS - 7

ER -