1978 年 98 巻 9 号 p. 1243-1251
With the droplet countercurrent chromatography, two new alkaloids, 13β-hydroxystylopine (3) and carpoxidine (9), were isolated from Corydalis ophiocarpa HOOK. et THOMS. together with many known alkaloids. Their structure was elucidated by spectroscopy and by synthesis.