Abstract
HYDROQUINONE pyridinium salts of organic acids, for example, formate and acetate, were prepared by the action of pyridine on p-quinone in presence of formic or acetic acid1. These salts are found by analysis not to contain active hydrogen. They are not methylated by diazomethane or dimethylsulphate, nor acetylated by acetic anhydride ; and in all these experiments the materials were recovered almost unchanged. So far as could be ascertained from the literature, the preparation of such derivatives has not hitherto been attempted.
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References
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ALY ISMAIL, A. A Quinonoid Structure for Hydroquinone Pyridinium Salts of Organic Acids. Nature 163, 565–566 (1949). https://doi.org/10.1038/163565b0
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DOI: https://doi.org/10.1038/163565b0
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