Studies on the chemical constituents of the marine sponge Cina-chyrella australiansis from the South China Sea / 中国海洋药物

ABSTRACT

Five compounds were isolated from the ethyl acetate extract of the marine sponge Cin-achyrella australiansis collected from the South China Sea. Their structures were identified by IR,1 H-NMR,13C-NMR,MS as the follows 24-ethyl-cholest-4-en-3-one(Ⅰ), cholesterol (Ⅱ), benzene- ac-etamide(Ⅲ), p-hydroxyphenylacetamide(Ⅳ), indole-3-acetamide(Ⅴ).