Controlling Oxidative Addition and Reductive Elimination at Tin(I) via Hemi-Lability

Alexa Caise; Agamemnon E. Crumpton; Petra Vasko; Jamie Hicks; Caitilin McManus; Nicholas H. Rees; Simon Aldridge

doi:10.1002/anie.202114926

Controlling Oxidative Addition and Reductive Elimination at Tin(I) via Hemi-Lability

Alexa Caise, Agamemnon E. Crumpton, Petra Vasko, Jamie Hicks, Caitilin McManus, Nicholas H. Rees, Simon Aldridge

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

We report on the synthesis of a distannyne supported by a pincer ligand bearing pendant amine donors that is capable of reversibly activating E-H bonds at one or both of the tin centres through dissociation of the hemi-labile N-Sn donor/acceptor interactions. This chemistry can be exploited to sequentially (and reversibly) assemble mixed-valence chains of tin atoms of the type ArSn{Sn(Ar)H}(n)SnAr (n=1, 2). The experimentally observed (decreasing) propensity towards chain growth with increasing chain length can be rationalized both thermodynamically and kinetically by the electron- withdrawing properties of the -Sn(Ar)H- backbone units generated via oxidative addition.

Original language	English
Number of pages	7
Journal	Angewandte Chemie - International Edition
Volume	61
Issue number	5
Early online date	Dec 2021
DOIs	https://doi.org/10.1002/anie.202114926
Publication status	Published - 26 Jan 2022
Externally published	Yes

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title = "Controlling Oxidative Addition and Reductive Elimination at Tin(I) via Hemi-Lability",

abstract = "We report on the synthesis of a distannyne supported by a pincer ligand bearing pendant amine donors that is capable of reversibly activating E-H bonds at one or both of the tin centres through dissociation of the hemi-labile N-Sn donor/acceptor interactions. This chemistry can be exploited to sequentially (and reversibly) assemble mixed-valence chains of tin atoms of the type ArSn{Sn(Ar)H}(n)SnAr (n=1, 2). The experimentally observed (decreasing) propensity towards chain growth with increasing chain length can be rationalized both thermodynamically and kinetically by the electron- withdrawing properties of the -Sn(Ar)H- backbone units generated via oxidative addition.",

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AU - Caise, Alexa

AU - Crumpton, Agamemnon E.

AU - Vasko, Petra

AU - Hicks, Jamie

AU - McManus, Caitilin

AU - Rees, Nicholas H.

AU - Aldridge, Simon

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AB - We report on the synthesis of a distannyne supported by a pincer ligand bearing pendant amine donors that is capable of reversibly activating E-H bonds at one or both of the tin centres through dissociation of the hemi-labile N-Sn donor/acceptor interactions. This chemistry can be exploited to sequentially (and reversibly) assemble mixed-valence chains of tin atoms of the type ArSn{Sn(Ar)H}(n)SnAr (n=1, 2). The experimentally observed (decreasing) propensity towards chain growth with increasing chain length can be rationalized both thermodynamically and kinetically by the electron- withdrawing properties of the -Sn(Ar)H- backbone units generated via oxidative addition.

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KW - Reversibility

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Controlling Oxidative Addition and Reductive Elimination at Tin(I) via Hemi-Lability

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