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Ochiai T, Franz D, Irran E, et al. Formation of an imino-stabilized cyclic tin(II) cation from an amino(imino)stannylene. Chemistry. 2015;21(18):6704-7doi: 10.1002/chem.201500607.
Ochiai, T., Franz, D., Irran, E., & Inoue, S. (2015). Formation of an imino-stabilized cyclic tin(II) cation from an amino(imino)stannylene. Chemistry (Weinheim an der Bergstrasse, Germany), 21(18), 6704-7. https://doi.org/10.1002/chem.201500607
Ochiai, Tatsumi, et al. "Formation of an imino-stabilized cyclic tin(II) cation from an amino(imino)stannylene." Chemistry (Weinheim an der Bergstrasse, Germany) vol. 21,18 (2015): 6704-7. doi: https://doi.org/10.1002/chem.201500607
Ochiai T, Franz D, Irran E, Inoue S. Formation of an imino-stabilized cyclic tin(II) cation from an amino(imino)stannylene. Chemistry. 2015 Apr 27;21(18):6704-7. doi: 10.1002/chem.201500607. Epub 2015 Mar 12. PMID: 25766259.
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Chemistry. 2015 Apr 27;21(18):6704-7. doi: 10.1002/chem.201500607. Epub 2015 Mar 12.

Formation of an imino-stabilized cyclic tin(II) cation from an amino(imino)stannylene.

Chemistry (Weinheim an der Bergstrasse, Germany)

Tatsumi Ochiai, Daniel Franz, Elisabeth Irran, Shigeyoshi Inoue

Affiliations

  1. Institut für Chemie, Anorganische Chemie, Technische Universität Berlin, Straße des 17. Juni 135, Sekr. C2, 10623 Berlin (Germany).

PMID: 25766259 DOI: 10.1002/chem.201500607

Abstract

The novel amino(imino)stannylene 1 was prepared by conversion of HNIPr (NIPr = bis(2,6-diisopropylphenyl)imidazolin-2-imino) with one equivalent of Lappert's tin reagent (Sn[N(SiMe3)2]2). Treatment of 1 with DMAP (4-dimethylaminopyridine) yields its Lewis acid-base adduct 2. The reaction of 1 with one equivalent of trimethylsilyl azide results in replacement of the amino group at the tin center by an N3 substituent with concomitant elimination of N(SiMe3)3 to afford dimeric [N3SnNIPr]2 (3). Remarkably, the reaction of 1 with B(C6F5)3 produces the novel tin(II) monocation 4(+)[MeB(C6F5)3](-) comprising a four-membered stannacycle through methyl-abstraction from the trimethylsilyl group.

© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Keywords: azides; boranes; cations; stannylenes; tin

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