Enol-Keto NMR

NMR of beta-diketones

In organic chemistryketo–enol tautomerism refers to a chemical equilibrium between a keto form (a ketone or an aldehyde) and an enol (an alcohol). The keto and enol forms are said to be tautomers of each other. A common method for probing the keto-enol equilibrium under various conditions is using Nuclear Magnetic Resonance (NMR) spectroscopy.

NMR of various Enol-Keto tautomers has been used at University-level to teach this important physical organic concept and to teach an important technique for determining molecular structure, Nuclear Magnetic Resonance (NMR) spectroscopy.

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NMR Data

500 MHz Bruker NEO NMR System – SampleXpress Autosampler
(Data collected in the ASU MRRC, April 2020)
‘Structural suite’ of 1D and 2D NMR experiments, 1H, 13C, COSY, HSQC, HMBC and H2BC (and sometimes advanced 2D NMR experiments, NOESY, ROESY, HSQC-TOCSY, ADEQUATE). Data is in zip compressed format and left in the standard Bruker Topspin format and standard folder/subfolder format (with folder 1 – 1H, 2 – 13C, etc.)

  • Acetylacetone in CDCl3

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(2017 – 2019)
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