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A flavonoid clycoside from the leaves of polygonum sachalinense (II)

  • Kang, Sam-Sik;Woo, Won-Sick
    • Archives of Pharmacal Research
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    • v.5 no.1
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    • pp.13-15
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    • 1982
  • Quercetin-3-O-${\beta}$-D glucofuranoside, mp 243-$6^{\circ}$, was isolate dfrom leaves of Polygonum sachalinense Fr. Schm and characterized on the basis of its spectral data. This is the second report of its occurrence in nature.

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A pyrrolo-pyrimidine alkaloid from glycyrrhiza uralensis

  • Han, Yong-Nam;Chung, Myung-Sook
    • Archives of Pharmacal Research
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    • v.13 no.1
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    • pp.103-104
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    • 1990
  • An alkaloid was isolated from the roots of Glycyrrhiza uralensis Fisch. It was identified as 3-methyl-6, 7, 8-trihydro-pyrrolo[1, 2-alpyrimidin-2-one(I) by spectral analysis. The compounds is first found in the plant kingdom.

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An Unusually Stable S-Nitrosothiol from Glutathione

  • Park, Jeen-Woo;Means, Gary-E.
    • Archives of Pharmacal Research
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    • v.12 no.4
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    • pp.257-258
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    • 1989
  • Glutathione was converted by $HNO_2$ into a S-nitrosothiol which was stable in solution and atypically so even as a solid. FAB/MS and IR data have been obtained for the confirmation of structure of S-nitrosogulathione in the crystalline state.

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