The Components having calcium antagonist effect were isolated from richosanthes with 70% C 2H 5OH.The analytical data showed that the mixture was composed of saturated aliphatic acids,spinasterol and 24 dihydro 10α c...The Components having calcium antagonist effect were isolated from richosanthes with 70% C 2H 5OH.The analytical data showed that the mixture was composed of saturated aliphatic acids,spinasterol and 24 dihydro 10α cucurbitadienol.展开更多
目的研究高寒植物长鞭红景天Rhodiola fastigiata干燥全株的脂肪族类化学成分和抗疟活性。方法采用反复硅胶柱色谱以及RP-18、MCI、Sephadex LH-20等多种色谱手段进行分离纯化,根据理化性质及波谱数据鉴定化合物的结构。通过SYBR Green ...目的研究高寒植物长鞭红景天Rhodiola fastigiata干燥全株的脂肪族类化学成分和抗疟活性。方法采用反复硅胶柱色谱以及RP-18、MCI、Sephadex LH-20等多种色谱手段进行分离纯化,根据理化性质及波谱数据鉴定化合物的结构。通过SYBR Green I法,对分离得到的化合物进行抗疟活性筛选。结果从长鞭红景天干燥全株95%乙醇提取物中分离鉴定了15个脂肪族类化合物,分别鉴定为10α-葫芦-7,24二烯醇(1)、β-香树脂醇乙酸酯(2)、豆甾烷-3-酮(3)、豆甾-4-烯-3-酮(4)、β-谷甾醇(5)、schleicheol 1(6)、豆甾-4,6,8(14),22-四烯-3-酮(7)、(22E,24R)-5α,8α-epidioxyergosta-6,22-dien-3β-ol(8)、豆甾-4-烯-6β-醇-3-酮(9)、3β-羟基豆甾-5-烯-7-酮(10)、6α-羟基豆甾-4-烯-3-酮(11)、豆甾烷-3,6-二醇(12)、正二十二烷醇(13)、二十四烷醇(14)、去氢木香内酯(15)。结论化合物1为新化合物,命名为表葫芦二烯醇;化合物2、13和14为首次从该植物中分离得到,化合物3、4、6~12和15为首次从红景天属中分离得到;化合物15对恶性疟原虫3D7株具有一定抗疟活性。展开更多
文摘The Components having calcium antagonist effect were isolated from richosanthes with 70% C 2H 5OH.The analytical data showed that the mixture was composed of saturated aliphatic acids,spinasterol and 24 dihydro 10α cucurbitadienol.