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A Tin Analogue of Propadiene with Cumulated C=Sn Double Bonds

24 August 2023, Version 1
Working Paper
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

The synthesis, structure, and properties of a stable, linear 2-stannapropadiene are reported. The identical C=Sn bonds in this 2-stannapropadiene are the shortest hitherto reported C–Sn bonds. This 2-stannapropadiene features a 119Sn NMR signal at 507 ppm for the central tin atom, indicative of an unsaturated SnIV oxidation state. Treatment of this 2-stannapropadiene with SnCl2·dioxane resulted in the formation of a novel four-membered cyclic 1,1-dichloro-1,3-distannetane.

Keywords

Linearly bonded tin
Heavy allenes
Single-crystal X-ray diffraction analysis
stannylene

Supplementary materials

Title
Description
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Supporting information
Description
Experimental procedures, NMR data, X-ray crystallographic analysis, computational details, IR spectroscopic analysis, and UV-vis spectroscopic analysis (PDF).
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Optimized structures
Description
Computational data of coordinates (xyz).
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Structure of 1Sn
Description
Molecular structure of 1Sn
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Structure of 2
Description
Molecular structure of 2
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Structure of 3
Description
Molecular structure of 3
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Version History

Aug 24, 2023 Version 1

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The content is available under CC BY NC ND 4.0 [opens in a new tab]

DOI

10.26434/chemrxiv-2023-2d7rc
D O I: 10.26434/chemrxiv-2023-2d7rc [opens in a new tab]

Funding

JSPS KAKENHI grants
JP18K14204
JSPS KAKENHI grants
20K05468

Author’s competing interest statement

The author(s) have declared they have no conflict of interest with regard to this content

Ethics

The author(s) declare that they have sought and gained approval from the relevant ethics committee/IRB for this research and its publication.

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