Studies on the alkaloids from Picrasma quassioides Bennet. VI. Structures of picrasidines N, O, and Q.
作者:TAICHI OHMOTO、KAZUO KOIKE
DOI:10.1248/cpb.33.4901
日期:——
Three new alkaloids, picrasidines N (I), O (II), and Q (III), have been isolated from the root wood of Picrasma quassioides BENNET (Simaroubaceae). The structures were determined on the basis of spectral analysis and chemical evidence.
从 Picrasma quassioides BENNET(樗树科)的根木中分离出了三种新生物碱,即苦木碱 N (I)、O (II) 和 Q (III)。根据光谱分析和化学证据确定了它们的结构。