目的:研究川楝子的化学成分。方法:采用了各种层析分离技术进行分离纯化,经理化常数和光谱解析确定结构。结果:从中分离得到10个化合物,分别鉴定为:正三十一烷(Ⅰ)、正二十八烷醇(Ⅱ)、硬脂酸(Ⅲ)、亚油酸(Ⅳ)、异香草醛(Ⅴ)、香草醛(Ⅵ)、香草酸(Ⅶ)、印楝醛(Ⅷ)、琥珀酸(Ⅸ)、高北美圣草素(Ⅹ)。结论:其中,化合物Ⅴ、Ⅷ、Ⅸ、Ⅹ为首次从该属植物中分离得到,化合物Ⅰ、Ⅱ、Ⅲ为首次从该植物中分离得到。 Objective: To study the chemical constituents of Toosendan sinensis Methods: Various chromatographic techniques were used for separation and purification, and their structures were determined by physicochemical constants and spectral analysis. Results: Ten compounds were isolated and identified as n-undecane (Ⅰ), n-octacosanol (Ⅱ), stearic acid (Ⅲ), linoleic acid (V), vanillin (Ⅵ), vanillic acid (Ⅶ), azadirachtin (Ⅷ), succinic acid (Ⅸ) Conclusion: Among them, compounds Ⅴ, Ⅷ, Ⅸ and Ⅹ were isolated from this genus for the first time. Compounds Ⅰ, Ⅱ and Ⅲ were isolated from this plant for the first time.