从胆木(Nauclea officinalis Pierre ex Pitard)树干中,分得两个新生物碱甙,分别命名为胆木碱庚(nauclecoside)和胆木碱辛(nauclecosidine)。根据它们的理化性质,光谱数据和化学反应,推断胆木碱庚的结构为Ⅰa,胆木碱辛为Ⅱa。并且还得...从胆木(Nauclea officinalis Pierre ex Pitard)树干中,分得两个新生物碱甙,分别命名为胆木碱庚(nauclecoside)和胆木碱辛(nauclecosidine)。根据它们的理化性质,光谱数据和化学反应,推断胆木碱庚的结构为Ⅰa,胆木碱辛为Ⅱa。并且还得到一已知碱胆木碱壬,鉴定为喜果甙(vincoside laetam,Ⅲ)。展开更多
From the aerial parts ofNauclea officinalis （Pierre ex Pitard） Merr. et Churl, one new indole alkaloid paratunamide E （1） has been isolated together with six known indole alkaloids, paratunamide A （2）, nauclealo...From the aerial parts ofNauclea officinalis （Pierre ex Pitard） Merr. et Churl, one new indole alkaloid paratunamide E （1） has been isolated together with six known indole alkaloids, paratunamide A （2）, nauclealotide C （3）, nauclealotide A （4）, vincosamide （5）, strictosamide （6） and naucleamide F （7）. Naucleamide F （7） was isolated from Nauclea officinalis for the first time. All of the seven compounds above were elucidated by spectroscopic methods including 1 D and 2 D NMR soectroscoDic analyses.展开更多
文摘从胆木(Nauclea officinalis Pierre ex Pitard)树干中,分得两个新生物碱甙,分别命名为胆木碱庚(nauclecoside)和胆木碱辛(nauclecosidine)。根据它们的理化性质,光谱数据和化学反应,推断胆木碱庚的结构为Ⅰa,胆木碱辛为Ⅱa。并且还得到一已知碱胆木碱壬,鉴定为喜果甙(vincoside laetam,Ⅲ)。
基金National Natural Science Foundation of China(Grant No.30973628)
文摘From the aerial parts ofNauclea officinalis （Pierre ex Pitard） Merr. et Churl, one new indole alkaloid paratunamide E （1） has been isolated together with six known indole alkaloids, paratunamide A （2）, nauclealotide C （3）, nauclealotide A （4）, vincosamide （5）, strictosamide （6） and naucleamide F （7）. Naucleamide F （7） was isolated from Nauclea officinalis for the first time. All of the seven compounds above were elucidated by spectroscopic methods including 1 D and 2 D NMR soectroscoDic analyses.
