Abstract
VARIOUS attempts have been described1 to acetylate alginic acid by means of acetic anhydride or acetic acid, without or with catalysts, for example, pyridine, acids, etc. Some of the products thus obtained were probably degraded, and it appeared of interest, therefore, to find out whether the acetylation of alginic acid can be done by a relatively mild method; for this reason the interaction with ketene was studied.
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References
Barry, Dillon and O'Muineachain, Proc. Roy. Soc. Dublin, 21, 283 (1933–38). Cunningham, Chamberlain and Speakman, British Patent 573, 591 (Application 1942).
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WASSERMANN, A. Alginic Acid-acetate. Nature 158, 271 (1946). https://doi.org/10.1038/158271a0
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DOI: https://doi.org/10.1038/158271a0
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