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The Enol of Isobutyric Acid

26 March 2024, Version 1
Working Paper
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

We present the gas-phase synthesis of 2-methyl-prop-1-ene-1,1-diol, an unreported higher energy tautomer of isobutyric acid. The enol was captured in an argon matrix at 3.5 K and characterized using IR and UV/Vis spectroscopy, combined with density functional theory computations. Upon irradiation the enol rearranges to form isobutyric acid and dimethylketene. Moreover, we also identified propene, photochemically formed from dimethylketene.

Keywords

enol
interstellar medium
matrix isolation
molecules of life

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Version History

Mar 26, 2024 Version 1

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

DOI

10.26434/chemrxiv-2024-489l5
D O I: 10.26434/chemrxiv-2024-489l5 [opens in a new tab]

Funding

European Research Council
101054751

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) have declared ethics committee/IRB approval is not relevant to this content

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