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目的:研究细柱五加茎的化学成分。方法:应用各种色谱技术分离纯化,通过理化性质和波谱方法鉴定化合物的结构。结果:从细柱五加茎中分离鉴定得到16个化合物,分别为:(2S,3S,4R,8E)-2-[(2′R)-2′-羟基-十五碳酰胺基]-二十七碳-1,3,4-三羟基-8-烯(1a)、(2S,3S,4R,8E)-2-[(2′R)-2′-羟基-十八碳酰胺基]-二十四碳-1,3,4-三羟基-8-烯(1b)、(2S,3S,4R,8E)-2-[(2′R)-2′-羟基-二十一碳酰胺基]-二十一碳-1,3,4-三羟基-8-烯(1c)、(2S,3S,4R,8E)-2-[(2′R)-2′-羟基-二十二碳酰胺基]-二十碳-1,3,4-三羟基-8-烯(1d)、(2S,3S,4R,8E)-2-[(2′R)-2′-羟基-二十三碳酰胺基]-十九碳-1,3,4-三羟基-8-烯(1e)、(2S,3S,4R,8E)-2-[(2′R)-2′-羟基-二十四碳酰胺基]-十八碳-1,3,4-三羟基-8-烯(1f)、1-O-β-D-葡萄糖-(2S,3S,4R,8E)-2-[(2′R)-2′-羟基-十五碳酰胺基]-十九碳-1,3,4-三羟基-8-烯(2)、16-α-羟-19-贝壳杉烷酸(3)、16αH,17-isovaleryloxy-ent-kauran-19-oic acid(4)、松柏苷(5)、紫丁香苷(6)、刺五加苷D(7)、豆甾醇(8)、β-谷甾醇(9)、β-胡萝卜苷(10)、正二十五烷酸(11)。结论:化合物1a~f、2为首次从该属植物中获得,化合物4、5、11为首次从该植物中得到。
Objective: To study the chemical composition of stems and five stems. Methods: Various chromatographic techniques were used to separate and purify the compounds. The structures of the compounds were identified by physicochemical properties and spectroscopic methods. Results: Sixteen compounds were isolated and identified from five stems of Scutellaria barbata. They were: (2S, 3S, 4R, 8E) -2 - [(2’R) -2’-hydroxy-pentadecyl- (2S, 3S, 4R, 8E) -2 - [(2’R) -2’-hydroxy-octadecyl amide ] -cetyl-1,4-trihydroxy-8-ene (1b), (2S, 3S, 4R, 8E) -2 - [(2’R) Carbonylamino] -icosa-1,3,4-trihydroxy-8-ene (1c), (2S, 3S, 4R, 8E) -2 - [(2’R) -dodeca- 1,3,4-trihydroxy-8-ene (1d), (2S, 3S, 4R, 8E) -2 - [(2’R) -2’- (2S) 3S, 4R, 8E) -2 - [(2’R) -2 1-O-β-D-glucose- (2S, 3S, 4R, 8E ) -2 - [(2’R) -2’-hydroxy-pentadecamidyl] -nonadec-1,3,4-trihydroxy-8-ene (2) (3), 16αH, 17-isovaleryloxy-ent-kauran-19-oic acid (4), coniferin (5), syringin (6) (8), β-sitosterol (9), β-daucosterol (10), n-pentacosanoic acid (11). Conclusion: Compounds 1a ~ f, 2 were obtained from this genus for the first time. Compounds 4, 5 and 11 were obtained from this plant for the first time.