To study the chemical constituents of Trichosanthes kirilowii Maxim., chromatographic methods such as D101 macroporous resin, silica gel column chromatographic technology, Sephadex LH-20, octadecylsilyl (ODS) column chromatographic technique and preparative HPLC were used and nine compounds were isolated from a 95% (v/v) ethanol extract of the plant. By using spectroscopic techniques including 1H NMR, 13C NMR, 1H-1H COSY, HSQC and HMBC, these compounds were identified as 5-ethoxymethyl-1-carboxyl propyl-1H-pyrrole-2-carbaldehyde (1), 5-hydroxymethyl-2-furfural (2), chrysoeriol (3), 4'-hydroxyscutellarin (4), vanillic acid (5), alpha-spinasterol (6), beta-D-glucopyranosyl-a-spinasterol (7), stigmast-7-en-3beta-ol (8), and adenosine (9), separately. Among them, compound 1 is a new compound, and compounds 3, 4 and 5 are isolated from the genus Trichosanthes kirilowii Maxim. for the first time.
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