Issue 39, 2021

Synthesis, isolation and characterization of a stable lithium stannenolate. A keto or an enol tautomer?§

Abstract

A stable lithium stannenolate 7 was synthesized and isolated by the reaction of acylstannane 6 with LDA or tBu2MeSiLi in THF. 7 was characterized by X-ray crystallography and by NMR and UV-Vis spectroscopy. Spectroscopic and structural features, in combination with DFT quantum-mechanical calculations, indicate that 7 is best described as an acyl-substituted stannyl anion, adopting the stannenolate keto tautomeric structure.

Graphical abstract: Synthesis, isolation and characterization of a stable lithium stannenolate. A keto or an enol tautomer?

Supplementary files

Article information

Article type
Communication
Submitted
24 Aug. 2021
Accepted
13 Sept. 2021
First published
13 Sept. 2021

Dalton Trans., 2021,50, 13651-13655

Synthesis, isolation and characterization of a stable lithium stannenolate. A keto or an enol tautomer?

R. Bashkurov, N. Fridman, D. Bravo-Zhivotovskii and Y. Apeloig, Dalton Trans., 2021, 50, 13651 DOI: 10.1039/D1DT02843J

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