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Issue 1, 2014
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Benzannulated N-heterocyclic germylenes and stannylenes with sterically demanding N,N′-substituents

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Abstract

Four N,N′-disubstituted 1,2-diaminobenzes (1a: R = t-Bu, 1b: R = adamantyl, 1c: R = Ph, 1d: R = Dipp) have been prepared and reacted with E[N(SiMe3)2]2 (E = Ge, Sn) to give the benzannulated N-heterocyclic germylenes 2a–d and stannylenes 3a–d. Germylene 2d and stannylenes 3a, 3c and 3d have been characterized by X-ray diffraction showing different types of intermolecular interactions in the solid state. Deprotonation of 1b with n-BuLi yields the lithium stannyl anion Li[4] with an n-Bu group bound to the tin(II) center.

Graphical abstract: Benzannulated N-heterocyclic germylenes and stannylenes with sterically demanding N,N′-substituents

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Publication details

The article was received on 19 Jul 2013, accepted on 19 Sep 2013 and first published on 26 Sep 2013


Article type: Paper
DOI: 10.1039/C3DT51961A
Citation: Dalton Trans., 2014,43, 173-181
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    Benzannulated N-heterocyclic germylenes and stannylenes with sterically demanding N,N′-substituents

    S. Krupski, R. Pöttgen, I. Schellenberg and F. E. Hahn, Dalton Trans., 2014, 43, 173
    DOI: 10.1039/C3DT51961A

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