Studies on the alkaloids from Picrasma quassioides Bennet. IV. Structures of picrasidines I, J, and K.
作者:TAICHI OHMOTO、KAZUO KOIKE、TAKESHI HIGUCHI、KEIJI IKEDA
DOI:10.1248/cpb.33.3356
日期:——
Three new β-carboline alkaloids, picrasidines I (I), J (II), and K (III), were isolated from the bark of Picrasma quassioides BENNET. The structures were determined on the basis of spectral analyses and chemical transformations.
从Picrasma quassioides BENNET的树皮中分离出三种新的β-咔啉生物碱,即苦木碱I(I)、苦木碱J(II)和苦木碱K(III)。通过光谱分析和化学转化确定了其结构。