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

Chemistry : a European Journal
Tatsumi OchiaiShigeyoshi Inoue

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.

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Citations

Sep 3, 2016·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Tatsumi OchiaiShigeyoshi Inoue
Aug 23, 2016·ChemistryOpen·Bastian JanssenKlaus Jurkschat
Aug 9, 2016·Chemical Society Reviews·Tatsumi OchiaiShigeyoshi Inoue
Feb 8, 2018·Chemistry : a European Journal·Daniel FranzShigeyoshi Inoue
May 27, 2015·Dalton Transactions : an International Journal of Inorganic Chemistry·Tatsumi OchiaiShigeyoshi Inoue
Aug 10, 2016·Angewandte Chemie·Tatsumi OchiaiShigeyoshi Inoue
Nov 28, 2018·Dalton Transactions : an International Journal of Inorganic Chemistry·Axel SchulzAlexander Villinger
Feb 5, 2019·Chemistry : a European Journal·Alexander Hinz
Jun 27, 2019·Chemistry : a European Journal·Daniel FranzShigeyoshi Inoue
Nov 30, 2019·Chemistry : a European Journal·James T GoettelHolger Braunschweig
Aug 23, 2021·Journal of Computational Chemistry·Barbara BankiewiczPiotr Matczak
Aug 17, 2017·Inorganic Chemistry·Yunxia GaoHerbert W Roesky
Nov 14, 2017·Inorganic Chemistry·Shuai WangPhilip P Power
Dec 16, 2016·Inorganic Chemistry·Christian P SindlingerLars Wesemann

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