Isolation and Reactivity of Stannylenoids Stabilized by Amido/Imino Ligands

Xuan Xuan Zhao; Shiori Fujimori; John A. Kelly; Shigeyoshi Inoue

doi:10.1002/chem.202202712

Isolation and Reactivity of Stannylenoids Stabilized by Amido/Imino Ligands

Xuan Xuan Zhao, Shiori Fujimori, John A. Kelly, Shigeyoshi Inoue

Professur für Siliciumchemie

Technische Universität München

Publikation: Beitrag in Fachzeitschrift › Artikel › Begutachtung

3 Zitate (Scopus)

Abstract

The reaction of the lithium aryl(silyl)amide Dipp(ⁱPr₃Si)NLi (Dipp=2,6-ⁱPr₂C₆H₃) with one equivalent of SnCl₂ in THF gave a novel stannylenoid Dipp(ⁱPr₃Si)NSnCl⋅LiCl(THF)₂. Heating the solution of amidostannylenoid in toluene to 80 °C resulted in dimeric amido(chloro)stannylene [Dipp(ⁱPr₃Si)NSnCl]₂, which can be converted to bis(amido)stannylene Sn[N(Dipp)(ⁱPr₃Si)]₂ and amido(imino)stannylene Sn[N(Dipp)(ⁱPr₃Si)][IPrN] (IPrN=bis(2,6-diisopropylphenyl)imidazolin-2-imino). Treatment of bis(imino)stannylenoid [IPrN]₂Sn(Cl)Li with N₂O resulted in the dimeric complex [IPrNSn(Cl)OLi]₂. All compounds were characterized by NMR, elementary analysis, and X-ray structural determination.

Originalsprache	Englisch
Aufsatznummer	e202202712
Fachzeitschrift	Chemistry - A European Journal
Jahrgang	29
Ausgabenummer	2
DOIs	https://doi.org/10.1002/chem.202202712
Publikationsstatus	Veröffentlicht - 9 Jan. 2023

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10.1002/chem.202202712

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@article{1cdcfa79fe854289abdbc04d05b8088f,

title = "Isolation and Reactivity of Stannylenoids Stabilized by Amido/Imino Ligands",

abstract = "The reaction of the lithium aryl(silyl)amide Dipp(iPr3Si)NLi (Dipp=2,6-iPr2C6H3) with one equivalent of SnCl2 in THF gave a novel stannylenoid Dipp(iPr3Si)NSnCl⋅LiCl(THF)2. Heating the solution of amidostannylenoid in toluene to 80 °C resulted in dimeric amido(chloro)stannylene [Dipp(iPr3Si)NSnCl]2, which can be converted to bis(amido)stannylene Sn[N(Dipp)(iPr3Si)]2 and amido(imino)stannylene Sn[N(Dipp)(iPr3Si)][IPrN] (IPrN=bis(2,6-diisopropylphenyl)imidazolin-2-imino). Treatment of bis(imino)stannylenoid [IPrN]2Sn(Cl)Li with N2O resulted in the dimeric complex [IPrNSn(Cl)OLi]2. All compounds were characterized by NMR, elementary analysis, and X-ray structural determination.",

keywords = "N-donor ligands, low-coordinate compounds, oxidation, stannylene, stannylenoid",

author = "Zhao, {Xuan Xuan} and Shiori Fujimori and Kelly, {John A.} and Shigeyoshi Inoue",

note = "Publisher Copyright: {\textcopyright} 2022 The Authors. Chemistry - A European Journal published by Wiley-VCH GmbH.",

year = "2023",

month = jan,

day = "9",

doi = "10.1002/chem.202202712",

language = "English",

volume = "29",

journal = "Chemistry - A European Journal",

issn = "0947-6539",

publisher = "Wiley-VCH Verlag",

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T1 - Isolation and Reactivity of Stannylenoids Stabilized by Amido/Imino Ligands

AU - Zhao, Xuan Xuan

AU - Fujimori, Shiori

AU - Kelly, John A.

AU - Inoue, Shigeyoshi

PY - 2023/1/9

Y1 - 2023/1/9

N2 - The reaction of the lithium aryl(silyl)amide Dipp(iPr3Si)NLi (Dipp=2,6-iPr2C6H3) with one equivalent of SnCl2 in THF gave a novel stannylenoid Dipp(iPr3Si)NSnCl⋅LiCl(THF)2. Heating the solution of amidostannylenoid in toluene to 80 °C resulted in dimeric amido(chloro)stannylene [Dipp(iPr3Si)NSnCl]2, which can be converted to bis(amido)stannylene Sn[N(Dipp)(iPr3Si)]2 and amido(imino)stannylene Sn[N(Dipp)(iPr3Si)][IPrN] (IPrN=bis(2,6-diisopropylphenyl)imidazolin-2-imino). Treatment of bis(imino)stannylenoid [IPrN]2Sn(Cl)Li with N2O resulted in the dimeric complex [IPrNSn(Cl)OLi]2. All compounds were characterized by NMR, elementary analysis, and X-ray structural determination.

AB - The reaction of the lithium aryl(silyl)amide Dipp(iPr3Si)NLi (Dipp=2,6-iPr2C6H3) with one equivalent of SnCl2 in THF gave a novel stannylenoid Dipp(iPr3Si)NSnCl⋅LiCl(THF)2. Heating the solution of amidostannylenoid in toluene to 80 °C resulted in dimeric amido(chloro)stannylene [Dipp(iPr3Si)NSnCl]2, which can be converted to bis(amido)stannylene Sn[N(Dipp)(iPr3Si)]2 and amido(imino)stannylene Sn[N(Dipp)(iPr3Si)][IPrN] (IPrN=bis(2,6-diisopropylphenyl)imidazolin-2-imino). Treatment of bis(imino)stannylenoid [IPrN]2Sn(Cl)Li with N2O resulted in the dimeric complex [IPrNSn(Cl)OLi]2. All compounds were characterized by NMR, elementary analysis, and X-ray structural determination.

KW - N-donor ligands

KW - low-coordinate compounds

KW - oxidation

KW - stannylene

KW - stannylenoid

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U2 - 10.1002/chem.202202712

DO - 10.1002/chem.202202712

M3 - Article

C2 - 36195558

AN - SCOPUS:85143235784

SN - 0947-6539

VL - 29

JO - Chemistry - A European Journal

JF - Chemistry - A European Journal

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ER -

Isolation and Reactivity of Stannylenoids Stabilized by Amido/Imino Ligands

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