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. 2017 Nov 21;22(11):2015. doi: 10.3390/molecules22112015

Figure 5.

Figure 5

Various nonenzymatic reactions of N1-acetyl-5-methoxykynuramine (AMK). The AMK-tyrosyl adduct, as it was concluded to occur in some proteins, was deduced from interactions of AMK with the tyrosine side chain fragment, 4-ethylphenol [139]. Additionally, electron/hydrogen-abstracting radicals led to the formation of several chemically identified AMK dimers and oligomers [138] and to noncharacterized products formed by interaction with tryptophan [29].