摘要
Four cyano-containing compounds, (1E,4,5,6)-4,5,6-trihydroxy-2-cyclohexen-1-ylideneacetonitrile (1), lithospermoside (2), 4-hydroxy-2--D-glucopyranosyl oxyphenylacetonitrile (3) and 4-[-D-apiofuranosyl-(16)- O--D-glucopyranosyl oxy]phenylacetonitrile (4), and a nitro-containing one, 4-[-D-xylopyranosyl-(16)-O--D- glucopyranosyloxy]-1-(2-nitroethyl)benzene (5), as well as eleven other types of compounds, were isolated from the roots of Semiaquilegia adoxoides. Their structures were elucidated mainly by spectroscopic methods. Among them, 1 and 4 are new isolated compounds. The cyano- and nitro-containing compounds are very rare in plants and their isolation from one traditional Chinese medicine is really interesting.
Four cyano-containing compounds, (1E,4,5,6)-4,5,6-trihydroxy-2-cyclohexen-1-ylideneacetonitrile (1), lithospermoside (2), 4-hydroxy-2--D-glucopyranosyl oxyphenylacetonitrile (3) and 4-[-D-apiofuranosyl-(16)- O--D-glucopyranosyl oxy]phenylacetonitrile (4), and a nitro-containing one, 4-[-D-xylopyranosyl-(16)-O--D- glucopyranosyloxy]-1-(2-nitroethyl)benzene (5), as well as eleven other types of compounds, were isolated from the roots of Semiaquilegia adoxoides. Their structures were elucidated mainly by spectroscopic methods. Among them, 1 and 4 are new isolated compounds. The cyano- and nitro-containing compounds are very rare in plants and their isolation from one traditional Chinese medicine is really interesting.
基金
Project supported by the National Natural Science Foundation of China (No. 30025044) and the Foundation from the Ministry of Science and Tech-nology of China (No. 2002CB512807).
