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

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 us...

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Main Authors: Laura Beswick, Gavin J. Miller
Format: Article
Language:English
Published: MDPI AG 2017-07-01
Series:Molbank
Subjects:
Online Access:https://www.mdpi.com/1422-8599/2017/3/M947
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author Laura Beswick
Gavin J. Miller
author_facet Laura Beswick
Gavin J. Miller
author_sort Laura Beswick
collection DOAJ
description 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.
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spelling doaj.art-19e0f93b782f4a8a83117aa9d1063b292022-12-21T19:02:42ZengMDPI AGMolbank1422-85992017-07-0120173M94710.3390/M947M9471,2,3,4-Tetra-O-Acetyl-β-d-Mannuronic AcidLaura Beswick0Gavin J. Miller1Lennard-Jones Laboratory, School of Chemical and Physical Sciences, Keele University, Keele, Staffordshire ST5 5BG, UKLennard-Jones Laboratory, School of Chemical and Physical Sciences, Keele University, Keele, Staffordshire ST5 5BG, UK1,2,3,4-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.https://www.mdpi.com/1422-8599/2017/3/M947mannuronic aciduronateTEMPO/BAIBoxidationNMR
spellingShingle Laura Beswick
Gavin J. Miller
1,2,3,4-Tetra-O-Acetyl-β-d-Mannuronic Acid
Molbank
mannuronic acid
uronate
TEMPO/BAIB
oxidation
NMR
title 1,2,3,4-Tetra-O-Acetyl-β-d-Mannuronic Acid
title_full 1,2,3,4-Tetra-O-Acetyl-β-d-Mannuronic Acid
title_fullStr 1,2,3,4-Tetra-O-Acetyl-β-d-Mannuronic Acid
title_full_unstemmed 1,2,3,4-Tetra-O-Acetyl-β-d-Mannuronic Acid
title_short 1,2,3,4-Tetra-O-Acetyl-β-d-Mannuronic Acid
title_sort 1 2 3 4 tetra o acetyl β d mannuronic acid
topic mannuronic acid
uronate
TEMPO/BAIB
oxidation
NMR
url https://www.mdpi.com/1422-8599/2017/3/M947
work_keys_str_mv AT laurabeswick 1234tetraoacetylbdmannuronicacid
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