New compounds from the seeds of Embelia ribes Burm.

  • 1 January 2005
    • journal article
    • Vol. 60  (1) , 69-71
Abstract
Phytochemical investigation of the seeds of Embelia ribes Burm. resulted in the isolation of three new compounds identified as 3-(4"-hydroxyoctadecanyloxy)-p-quinonyl-5-methylene-8-(10-pentanyloxy)-p-quinone (embelinol) (1), n-pentacosanyl-n-nonadeca-7'-en-9'-alpha-ol-1'-oate (embeliaribyl ester) (2) and 1,2,4,5-tetrahydroxy 3-undecanyl benzene (embeliol) (3) along with the known compound 2,5-dihydroxy-3-undecyl-2,5-cyclohexadiene-1,4-dione (embelin) (4). Their structures have been established on the basis of spectral data analyses and chemical reactions.

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