2-acetamidoglucal (cas 10293-59-1), a new metabolite isolated from the urine of a patient with sialuria

Add time:07/27/2019    Source:sciencedirect.com

A new metabolite, namely 2-acetamidoglucal, has been found in the urine of a patient with sialuria in addition to the metabolites N-acetylneuraminic acid, N-acetylmannosamine, N-acetylglucosamine and N-deoxy-2,3-dehydro-Nacetylneuraminic acid reported earlier. The structure has been identified by mass spectrometry and 360 MHz proton nuclear magnetic resonance spectroscopy and verified by synthesis. All accumulated compounds fit into the metabolic pathway for the biosynthesis of CMP-N-acetylneuraminic acid. Sialuria is discussed in terms of a failure of regulation of UDP-N-acetyl-glucosamine 2-epimerase.

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