Orthogonal cleavage of the 2-naphthylmethyl group in the presence of the p-methoxy phenyl-protected anomeric position and its use in carbohydrate synthesis

Literature Information

Publication Date 2016-04-29
DOI 10.1039/C6QO00144K
Impact Factor 5.281
Authors

Vittorio Cattaneo, Davide Oldrini, Alessio Corrado, Francesco Berti, Roberto Adamo


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Abstract

Orthogonal removal of naphthylmethyl (NAP) and anomeric O-p-methoxyphenyl (PMP) ethers using 2,3-dichloro-5,6-dicyano-1,4-benzoquinone and cerium(IV) ammonium nitrate, respectively, is described. These reactions were tested in the oligosaccharide assembly of biologically relevant motifs, such as α-D-Man-(1,3)-[α-D-(1,6)-Man]-α-D-Man, α-D-Fuc-(1,2)-α-D-Fuc and α-D-NeuNAc-(2,3)-β-D-Gal. The usefulness of these chemoselective deprotections was proven in the synthesis of high mannoses.

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Organic Chemistry Frontiers

Organic Chemistry Frontiers
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Organic Chemistry Frontiers publishes high-quality research from across organic chemistry. Emphases are placed on studies that make significant contributions to the field of organic chemistry by reporting either new or significantly improved protocols or methodologies. Topics include, but are not limited to the following: Organic synthesis Development of synthetic methodologies Catalysis Natural products Functional organic materials Supramolecular and macromolecular chemistry Physical and computational organic chemistry

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