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Report | Regular issue | Vol 22, No. 10, 1984, pp.2301-2307
Published online, 1st January, 1970
DOI: 10.3987/R-1984-10-2301
A Piscicidal Chromanol and a Chromenol from the Brown Alga Dictyopteris undulata

Muanza-Nkongolo Dave, Takenori Kusumi, Midori Ishitsuka, Takashi Iwashita, and Hiroshi Kakisawa*

*Department of Chemistry, University of Tsukuba, 1-1-1 Ten-nodai, Tsukuba-shi, Ibaraki, 305-8571, Japan


From the brown alga, Dictyopteris undulata, several piscicidal compounds including a new chromenol (1), chromazonarol (7), and isochromazonarol (8) were isolated, and their structures and stereochemical features were elucidated on the basis of spectroscopic analyses.