Journal of the American Chemical Society p. 2230 - 2233 (1989)
Update date:2022-08-05
Topics:
Sinhababu, Achintya K.
Borchardt, Ronald T.
Oxidation of 3-<2-((ethoxycarbonyl)amino)ethyl>-5,7-dihydroxyindole (12) with (18)O2/H2O (pH ca. 8) at 25 deg C gave the corresponding unlabeled 5-hydroxyindole-4,7-dione 13 and (18)O-labeled isotopomer 14 in a ratio of 32:68 as indicated by mass spectral
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