作者:Jorge Triana、Mariana López、Francisco Javier Pérez、Francisco León、José Quintana、Francisco Estévez、Juan C. Hernández、Javier González-Platas、Ignacio Brouard、Jaime Bermejo
DOI:10.1002/cbdv.201000324
日期:2011.11
Two new compounds, the sesquiterpene (1E,5E)-8β-acetoxy-4α-hydroxy-7βH-germacra-1(10),5-dien-14-oic acid (2), and a nor-sesquiterpene, (5E)-8β-acetoxy-4α-hydroxy-7βH-germacr-5-en-10-one (3), were isolated from Pulicaria canariensis ssp. lanata, along with ten known compounds, including the flavonoid 5,3'-dihydroxy-3,7,4'-trimethoxyflavone (4). From Pulicaria burchardii, we isolated seven known compounds;
两种新化合物,倍半萜(1E,5E)-8β-乙酰氧基-4α-羟基-7βH-germacra-1(10),5-dien-14-oic酸(2)和正倍半萜(5E)从加那利野葛中分离出-8β-乙酰氧基-4α-羟基-7βH-germacr-5-en-10-one(3)。藤,以及十种已知化合物,包括类黄酮5,3'-二羟基-3,7,4'-三甲氧基黄酮(4)。我们从布加迪枸杞中分离了七个已知化合物。报道了三萜3β-羟基酒石碱20-en-30-al(1)的物理和光谱数据。化合物1-3的结构是根据HR-MS和1D-NMR和2D-NMR研究确定的。X射线晶体衍射证实了2的结构。细胞活力实验表明,半合成的类黄酮4b是对人类白血病细胞最具杀伤力的化合物,