Summary
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1.
A study has been made of the polarographic behavior of a series of esters of cyclohexene-and cyclohexadiene-1,2-dicarboxylic acids, and the constants have been measured for both steps of the dissociation of the acids themselves.
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2.
When the above esters are reduced on a mercury electrode, electrochemical hydration of the ethylene bond in the ring occurs. The reaction goes through a stage where a comparatively stable free radical is formed.
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3.
The polarographic data and the dissociation constants of the acids found potentiometrically have shown that there is an electron interaction effect in cyclohexadiene-1,2-dicarboxylic acids containing formally isolated double bonds.
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Mairanovskii, S.G., Grigor'eva, N.Y., Barashkova, N.V. et al. Conjugation factors in cyclic systems. Russ Chem Bull 12, 219–222 (1963). https://doi.org/10.1007/BF00846385
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DOI: https://doi.org/10.1007/BF00846385