Tannins and Related Compounds. CXXIII. Chromone, Acetophenone and Phenylpropanoid Glycosides and Their Galloyl and/or Hexahydroxydiphenoyl Esters from the Leaves of Syzygium aromaticum MERR. et PERRY

概要

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From the dried leaves of Syzygium aromaticum MERR. et PERRY (Myrtaceae), eleven new compounds, i.e., eugenol 4-O-β-D-(6'-O-galloyl)glucopyranoside (17), 2-methyl-5,7-dihydroxychromone 8-C-β-D-glucopyranoside (18) and its 6'-O-gallate (19), 2,4,6-trihydroxyacetophenone 3-C-β-D-glucopyranoside (20) and its 2'-O- (21), 6'-O- (22), 2', 3'-di-O- (23), 2', 6'-di-O- (24), 2', 3', 6'-tri-O- (25), 2', 3', 4', 6'-tetra-O-gallate (26) and 2', 3'-di-O-galloyl-4', 6'-O-(S)-hexahydroxydiphenoyl ester (27) were isolated, together with sixteen known tannins and related compounds. The structures of these compounds were established on the basis of spectroscopic and chemical evidence.
社団法人日本薬学会の論文
1993-07-15