3-Oxo-11,12,13-trihydroxyeudesm-4-ene(1) was a highly oxygenated natural eudesmane isolated from traditional herbal medicine with an antiphlogostic and spasmolytic activity.For the purpose of pharmacological activity ...3-Oxo-11,12,13-trihydroxyeudesm-4-ene(1) was a highly oxygenated natural eudesmane isolated from traditional herbal medicine with an antiphlogostic and spasmolytic activity.For the purpose of pharmacological activity research on natural product 1 and its derivatives,a facile total synthesis of compound 1 starting from(+)-dihydrocarvone(2) was completed in an overall yield of 24%.The structures of all intermediates and product 1 were confirmed via 1H NMR,13C NMR,MS and IR techniques.The NMR data of compound 1 are in agreement with those of natural products.展开更多
目的研究五加Acanthopanax gracilistylus var. gracilistylus地上部分的化学成分。方法采用硅胶、Sephadex LH-20凝胶、ODS等柱色谱方法及制备液相色谱技术分离纯化,运用核磁共振波谱、质谱等谱学技术结合理化性质鉴定化合物结构,采用...目的研究五加Acanthopanax gracilistylus var. gracilistylus地上部分的化学成分。方法采用硅胶、Sephadex LH-20凝胶、ODS等柱色谱方法及制备液相色谱技术分离纯化,运用核磁共振波谱、质谱等谱学技术结合理化性质鉴定化合物结构,采用MTT法研究化合物的细胞毒活性。结果从五加地上部分70%乙醇提取物中分离得到1个新的降羽扇豆烷型三萜3α,4α,11α-三羟基-23-降羽扇豆-20(29)-烯-28-酸(1)和4个已知羽扇豆三萜3α,11α-二羟基羽扇豆-20(29)-烯-28-酸(2)、23-氧-3α,11α-二羟基羽扇豆-20(29)-烯-28-酸(3)、23-氧-3α-羟基羽扇豆-20(29)-烯-28-酸(4)和3α-羟基羽扇豆-20(29)-烯-23,28-二酸(5)。结论化合物1为新化合物,命名为新印象酸。活性实验结果表明化合物1对人骨肉瘤143B细胞无显著细胞毒活性。展开更多
文摘3-Oxo-11,12,13-trihydroxyeudesm-4-ene(1) was a highly oxygenated natural eudesmane isolated from traditional herbal medicine with an antiphlogostic and spasmolytic activity.For the purpose of pharmacological activity research on natural product 1 and its derivatives,a facile total synthesis of compound 1 starting from(+)-dihydrocarvone(2) was completed in an overall yield of 24%.The structures of all intermediates and product 1 were confirmed via 1H NMR,13C NMR,MS and IR techniques.The NMR data of compound 1 are in agreement with those of natural products.
文摘目的研究五加Acanthopanax gracilistylus var. gracilistylus地上部分的化学成分。方法采用硅胶、Sephadex LH-20凝胶、ODS等柱色谱方法及制备液相色谱技术分离纯化,运用核磁共振波谱、质谱等谱学技术结合理化性质鉴定化合物结构,采用MTT法研究化合物的细胞毒活性。结果从五加地上部分70%乙醇提取物中分离得到1个新的降羽扇豆烷型三萜3α,4α,11α-三羟基-23-降羽扇豆-20(29)-烯-28-酸(1)和4个已知羽扇豆三萜3α,11α-二羟基羽扇豆-20(29)-烯-28-酸(2)、23-氧-3α,11α-二羟基羽扇豆-20(29)-烯-28-酸(3)、23-氧-3α-羟基羽扇豆-20(29)-烯-28-酸(4)和3α-羟基羽扇豆-20(29)-烯-23,28-二酸(5)。结论化合物1为新化合物,命名为新印象酸。活性实验结果表明化合物1对人骨肉瘤143B细胞无显著细胞毒活性。
