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Issue 18, 1988
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Protonation of a β-diketone; an intramolecular hydrogen bond with an extremely deshielded proton

Abstract

Studies of the protonation of 1,3-diphenyl-2-methylpropane-1,3-dione in HBr/CF2Br2 show that the proton is held between the oxo groups in an unusual hydrogen bond, giving rise to a 1H n.m.r. signal at δ 21.44 with a negative Δδ(H,D) value.

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Article type: Paper
DOI: 10.1039/C39880001252
Citation: J. Chem. Soc., Chem. Commun., 1988,0, 1252-1253
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    Protonation of a β-diketone; an intramolecular hydrogen bond with an extremely deshielded proton

    D. R. Clark, J. Emsley and F. Hibbert, J. Chem. Soc., Chem. Commun., 1988, 0, 1252
    DOI: 10.1039/C39880001252

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