Abstract
The sulfonation of anthracene yields a variety of products and byproducts by different reaction paths depending on the reaction conditions. While trying to reduce the number of products formed by sulfonation under mild conditions, a new reaction was found: under certain sulfonation conditions anthracene is not sulfonated but reacts to form oligoanthrylenes. The highest average molecular weight of a fraction, insoluble in benzene, is about 3,000.
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Hinterhofer, O. Über die Entstehung von Oligoanthrylen bei der milden Sulfonierung von Anthracen. Monatshefte für Chemie 106, 67–72 (1975). https://doi.org/10.1007/BF00914500
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DOI: https://doi.org/10.1007/BF00914500