Abstract
W. TRAUBE publishes in the present number of the Berichte further details on the new syntheses of uric acid, xanthine and the methyl derivatives of the latter—theobromine, theophylline and caffeine. The starting point is either cyanacetic acid or its ester. Cyanacetic acid and urea in presence of phosphorus oxychloride form cyanacetyl urea,
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New Syntheses of some Diureides . Nature 63, 167 (1900). https://doi.org/10.1038/063167a0
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DOI: https://doi.org/10.1038/063167a0