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Gas-liquid chromatography-mass spectrometry of acetates of partially methylated methyl glycosides. VII. Mono- and dimethylheptoses

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Abstract

The partial methylation of methyl β-glucoheptopyranoside has given a complex mixture of methyl ethers, from which five monomethyl ethers have been isolated by preparative GLC. Methylation of the latter gave a mixture in which ten dimethyl ethers were detected. The retention indices on the phase NPGS of the mono- and dimethyl ethers of methyl β-glucoheptopyranoside have been measured, and their mass spectra have been recorded and discussed. The mass spectra of these position isomers unambiguously characterize the pattern of methylation.

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Authors
  1. T. I. Vakorina
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  2. Yu. N. El'kin
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Additional information

Pacific Ocean Institute of Bioorganic Chemistry, Far Eastern Scientific Center, Academy of Sciences of the USSR, Vladivostok. Translated from Khimiya Prirodnykh Soedinenii, No. 4, pp. 484–492, July–August, 1982.

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Vakorina, T.I., El'kin, Y.N. Gas-liquid chromatography-mass spectrometry of acetates of partially methylated methyl glycosides. VII. Mono- and dimethylheptoses. Chem Nat Compd 18, 452–459 (1982). https://doi.org/10.1007/BF00579643

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  • DOI: https://doi.org/10.1007/BF00579643

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