AIM: To study the chemical constituents of Lithospermum zollingeri.METHOD: Many kinds of column chromatography were used to isolate the compounds from the EtOH ext.of Lithospermum zollingeri DC.The chemical constituen...AIM: To study the chemical constituents of Lithospermum zollingeri.METHOD: Many kinds of column chromatography were used to isolate the compounds from the EtOH ext.of Lithospermum zollingeri DC.The chemical constituents of the plant were identified by means of MS,(()1H NMR),(()13C NMR),respectively,in some cases by direct comparison with authentic samples.RESULT:Seven compounds were isolated from the EtOH ext.of Lithospermum zollingeri.Their structures were identified as acacetin-7-O-β-D-glucopyranoside(Ⅰ),hesperidin(Ⅱ),apigenin-7-O-β-D-glu-copyranoside(Ⅲ),luteolin-7-O-β-D-glucopyranoside(Ⅳ),chrysoeriol-7-O-β-D-glucopyranoside(Ⅴ),daucosterol(Ⅵ) and β-sitosterol(Ⅶ) respectively,based on their spectroscopic data.CONCLUSION:All the compounds were isolated from this plant for the first time.展开更多
紫草属植物山西记录有2种。2012年4月中旬,笔者在山西蟒河自然保护区进行考察时,采集到紫草科(Boraginaceae)紫草属(Lithospermum L.)野生植物梓木草(L.zollingeri D C.),为山西紫草科植物增加了种级水平的新记录,迄今山西省已发现3种...紫草属植物山西记录有2种。2012年4月中旬,笔者在山西蟒河自然保护区进行考察时,采集到紫草科(Boraginaceae)紫草属(Lithospermum L.)野生植物梓木草(L.zollingeri D C.),为山西紫草科植物增加了种级水平的新记录,迄今山西省已发现3种紫草属植物。展开更多
文摘AIM: To study the chemical constituents of Lithospermum zollingeri.METHOD: Many kinds of column chromatography were used to isolate the compounds from the EtOH ext.of Lithospermum zollingeri DC.The chemical constituents of the plant were identified by means of MS,(()1H NMR),(()13C NMR),respectively,in some cases by direct comparison with authentic samples.RESULT:Seven compounds were isolated from the EtOH ext.of Lithospermum zollingeri.Their structures were identified as acacetin-7-O-β-D-glucopyranoside(Ⅰ),hesperidin(Ⅱ),apigenin-7-O-β-D-glu-copyranoside(Ⅲ),luteolin-7-O-β-D-glucopyranoside(Ⅳ),chrysoeriol-7-O-β-D-glucopyranoside(Ⅴ),daucosterol(Ⅵ) and β-sitosterol(Ⅶ) respectively,based on their spectroscopic data.CONCLUSION:All the compounds were isolated from this plant for the first time.