Guanidine derivatives of the following formulas (1) and (2):
R¹-NH-(CH₂)NH-NH-R² (1)
wherein:
R¹ is hydrogen or optionally substituted cinnamoyl,
R² is hydrogen, alkyl or alkenyl, with the proviso that R¹ and R² cannot be both hydrogen,
n is an integer from 1 to 8, or:
wherein:
R³ is truxinoyl or a truxilloyl each optionally substituted, and
R² and n are as defined above;
pharmaceutical compositions containing such compounds and a process for their extraction and purification from plant material, in particular from Verbesina caracasana.
下列式子(1)和(2)的
胍衍
生物:
R¹-NH-(CH₂)NH-NH-R² (1)
其中
R¹ 是氢或任选取代的肉桂酰基、
R² 是氢、烷基或烯基,但 R¹ 和 R² 不能都是氢、
n 是 1 至 8 的整数,或
其中
R³ 是 truxinoyl 或 truxilloyl,各自任选被取代,以及
R² 和 n 如上文所定义;
含有此类化合物的药物组合物,以及从植物材料,特别是从 Verbesina caracasana 中提取和纯化此类化合物的工艺。