Protoberberine Alkaloids and Cancer Chemopreventive Properties of Compounds from Alangium salviifolium
作者:Phanruethai Pailee、Vilailak Prachyawarakorn、Chulabhorn Mahidol、Somsak Ruchirawat、Prasat Kittakoop
DOI:10.1002/ejoc.201100423
日期:2011.7
New protoberberine alkaloids, namely alangiumkaloids A (1) and B (2), 27-O-trans-caffeoylcylicodiscic acid (3), and β-D-glucopyranos-1-yl N-methylpyrrole-2-carboxylate (5) together with myriceric acid B (4), isoalangiside (6), alangiside (7), 3-O-demethyl-2-O-methylalangiside (8), and demethylalangiside (9) have been isolated from Alangium salviifolium. The cancer chemopreventive properties and cytotoxic
新的原小檗碱生物碱,即 alangiumkaloids A (1) 和 B (2)、27-O-trans-caffeoylcylicodiscic acid (3) 和 β-D-glupyranos-1-yl N-methylpyrrole-2-carboxylate (5) 以及从 Alangium salviifolium 中分离出杨梅酸 B (4)、异黄芩苷 (6)、黄姜苷 (7)、3-O-demethyl-2-O-methylalangiside (8) 和 demethylalangiside (9)。评估了分离化合物的癌症化学预防特性和细胞毒活性。化合物 3、4 和 9 清除 DPPH 自由基,IC50 值分别为 21.4、21.8 和 24.0 μM。在黄嘌呤/黄嘌呤氧化酶 (XXO) 试验中,Alangisides 7 和 9 抑制超氧阴离子自由基的形成,IC50 值分别为