el-Shafae A M, Soliman A S
Department of Pharmacognosy, Faculty of Pharmacy, Zagazig University, Egypt.
Pharmazie. 1998 Sep;53(9):640-3.
One pyranocoumarin (xanthyletin, 1) and two acridone alkaloids (2',2'-dimethyl-(pyrano5',6':3:4)-1,5-dihydroxy, 6-methoxy, 10-methylacridone, 3, and citpressine-I, 4), were isolated from the roots of Citrus deliciosa Ten (Rutacea). Their structures were elucidated by spectroscopic methods. Reported 13C NMR assignments of alkaloid 3 have been corrected and those of alkaloid 4 are reported for the first time Alkaloid 3 was found to have antispasmodic effect on isolated ileum segments excised from male rabbits.
从美味柑橘（芸香科）的根中分离出一种吡喃香豆素（花椒毒素，1）和两种吖啶酮生物碱（2',2'-二甲基-（吡喃并[5',6':3:4]）-1,5-二羟基，6-甲氧基，10-甲基吖啶酮，3，以及枸橼辛因-I，4）。通过光谱方法阐明了它们的结构。已对生物碱3报道的13C NMR归属进行了校正，并且首次报道了生物碱4的13C NMR归属。发现生物碱3对从雄性兔子切除的离体回肠段有解痉作用。
