Studies related to the chemistry of melanins. Part XIV. The alleged formation of a p-quinonoid aminochrome by oxidation of 2,4,5-trihydroxyphenethylamine
- 1 January 1976
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 1
- No. 3,p. 339-341
- https://doi.org/10.1039/p19760000339
Abstract
The oxidation product of 2,4,5-trihydroxyphenethylamine (1a) formulated by Senoh and Witkop as 2,3-dihydro-6-hydroxyindole-4,7-quinone (3a) is 2-(2-aminoethyl)-5-hydroxy-p-benzoquinone (2a) and undergoes cyclisation to yield a dopachrome-type product (4a) and thence 5,6-dihydroxyindole (5a).Keywords
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