Abstract
DURING a study of the catechol compounds in human urine it was observed that acid hydrolysis (20 min., 1 N sulphuric acid, 100° C.) caused a large increase in the content of some catechol compounds, presumably by splitting of a conjugate1. Chromatographic separation of the different catechols obtained by adsorption on alumina of hydrolysed urine indicated that the large increase was connected with a catechol compound having a rate of flow similar to that of 3,4-dihydroxyphenyl acetic acid in a solvent system of n-butanol–hydrochloric acid–acetic acid2.
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EULER, U., LISHAJKO, F. Excretion of Catechol in Human Urine. Nature 183, 1123 (1959). https://doi.org/10.1038/1831123a0
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DOI: https://doi.org/10.1038/1831123a0
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