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Ethyl (E)-4-(2,4-Dimethoxyphenyl)-6-(2,4-dimethoxystyryl)-2-oxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate
Open AccessCommunication

1,2,3,4-Tetra-O-Acetyl-β-d-Mannuronic Acid

Lennard-Jones Laboratory, School of Chemical and Physical Sciences, Keele University, Keele, Staffordshire ST5 5BG, UK
Author to whom correspondence should be addressed.
Molbank 2017, 2017(3), M947;
Received: 3 July 2017 / Revised: 10 July 2017 / Accepted: 11 July 2017 / Published: 14 July 2017
(This article belongs to the Section Organic Synthesis)
1,2,3,4-Tetra-O-acetyl-β-d-mannuronic acid was synthesized in three steps from commercial d-mannose in 21% yield. Regioselective 6-O-tritylation followed by per-acetylation and 6-OTr removal using HBr/AcOH gave the required primary alcohol substrate, which was then oxidised to the target compound using TEMPO/BAIB. None of the synthetic steps required column chromatography and the product was fully characterized by 1H-NMR, 13C-NMR, 2D NMR, MS and IR. View Full-Text
Keywords: mannuronic acid; uronate; TEMPO/BAIB; oxidation; NMR mannuronic acid; uronate; TEMPO/BAIB; oxidation; NMR
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MDPI and ACS Style

Beswick, L.; Miller, G.J. 1,2,3,4-Tetra-O-Acetyl-β-d-Mannuronic Acid. Molbank 2017, 2017, M947.

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