中药韭子中一个新酰胺成分

A New Amide from Tuber Onion (Allium tuberosum) Seed

从百合科植物韭 Allium tuberosum Rottler的种子中分离并鉴定了 5个含氮化合物 :N-顺式 -阿魏酰基 - 3-甲基多巴胺 ( ) ,N-反式 -阿魏酰基 - 3-甲基多巴胺 ( ) ,N-反式 -香豆酰酪胺 ( ) ,3-甲酰吲哚 ( )和 3-吡啶羟酸( ) ,其中 为新化合物 ,命名为韭子碱甲 (tuberosine A) ,其它化合物均为首次从该植物中分得。

Five compounds were isolated from the seed of Allium tuberosum Rottl. ex Spreng.. On the basis of chemical and spectroscopic analysis, they were identified as: N cis feruloyl 3 methyldopamine (Ⅰ), (named tuberosine A), N trans feruloyl 3 methyldopamine (Ⅱ), N trans coumaroyl tyramine (Ⅲ), 3 formylindole (Ⅳ) and 3 pyridine carboxylic acid (Ⅴ). Among them, Ⅰ was a new compound, Ⅱ～Ⅴ were obtained from this plant for the first time.