中国红豆杉枝叶中的紫杉烷二萜(英文)  

Taxoids from the Leaves and Stems of Taxus chinensis

作　　者：王福生[1] 彭丽艳[2] 赵昱[2] 古昆[3] 赵勤实[2] 孙汉董[2] 

机构地区：[1]大理学院药学系,云南大理671000 [2]中国科学院昆明植物研究所植物化学与西部植物资源持续利用国家重点实验实,云南昆明650204 [3]云南大学化学系,云南昆明650091

出　　处：《云南植物研究》2003年第3期369-376,共8页Acta Botanica Yunnanica

摘　　要：从中国红豆杉 (Taxuschinensis)枝叶的乙醇提取物中分离得到 8个紫杉烷二萜 ,通过波谱分析分别确定为 :14 β 羟基巴卡亭VI (1) ,巴卡亭VI (2 ) ,巴卡亭IV (3) ,1β 去羟基巴卡亭IV (4 ) ,云南红豆杉酯甲 (5 ) ,2α 去乙酰 2α 苯甲酰基 13α 乙酰基云南紫杉亭 (6 ) ,5α 羟基 2α ,7β ,9α ,10 β ,13α 五乙酰氧基紫杉 4 (2 0 ) ,11 二烯 (7)和Taxacin (8)。其中化合物 1为新化合物 ,并报道八个化合物在丙酮中测得的核磁共振信号 ,化合物 8的数据属首次报道。A new C-14 oxygenated taxoid,14β-hydroxy-baccatin VI (1),together with seven known taxoids,baccatin VI (2),baccatin IV (3),1β-dehydroxybaccatin IV (4),taxayunnasin A (5),2α-deacetyl-2α-benzoyl-13α-acetyltaxayuntin (6),5α-hydroxy-2α,7β,9α,10β,13α-pentaacetoxy-4 (20),11-taxadiene (7) and taxacin (8) were isolated from the ethanolic extract of leaves and stems of Taxus chinensis (Pilg) Rehd.The structures of the compounds were elucidated by spectroscopic techniques.The detailed 13C and 1H NMR data of the seven known compounds were measured in acetone-d 6,and the NMR data of taxacin (8) were reported for the first time.

关 键 词：中国红豆杉 红豆杉科 紫杉烷二萜 14β-羟基巴卡亭 

分 类 号：Q946[生物学—植物学]