2JC,H index: a nondestructive NMR method for differentiation of aldohexopyranosyl residues |
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| Authors: | Oikawa Masato Adachi Seiji Kusumoto Shoichi |
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| Institution: | Laboratory of Biostructural Chemistry, Graduate School of Life Sciences, Tohoku University, Tsutsumidori-Amamiya, Aoba-ku, Sendai 981-8555, Japan. mao@bios.tohoku.ac.jp |
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| Abstract: | A new 2J(C,H) index method is described for identification of aldohexopyranose. This method is based on a fact that 2J(C,H) values reflect the stereochemistry for glycol connectivity. Based on the observed 2J(C,H) values for galactose, glucose, and mannose, 2J(C,H) profiles for other aldohexopyranoses are proposed. A combination of 2J(C,H) values was found to be useful for identification of aldohexopyranosyl residues in glycans. structure: see text] |
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