Chemical Constituents and New Xanthone Derivatives from Mesua ferrea and Mesua congestiflora
作者:S.S. Teh、G.C.L. Ee、S.H. Mah
DOI:10.14233/ajchem.2013.15615
日期:——
The phytochemical study on the root bark of Mesua ferrea and the roots of Mesua congestiflora resulted in the isolation and identification of nine compounds. Seven xanthones isolated from the root bark of Mesua ferrea were mesuaferrin A (1), mesuaferrin B (2), mesuaferrin C (3), caloxanthone C (4), macluraxanthone (5), 1,5-dihydroxyxanthone (6) and tovopyrifolin C (7). Meanwhile, Mesua congestiflora afforded one benzophenone, congestiflorone (8) together with a xanthone a-mangostin (9). The structural modification reactions were also carried out to obtain two new compounds which are caloxanthone C diacetate (10) and congestiflorone acetate (11). The characterizations of these compounds were achieved through a variety of spectroscopic techniques such as 1D and 2D NMR, UV, IR and GC-MS.
对 Mesua ferrea 的根皮和 Mesua congestiflora 的根进行植物化学研究后,分离并鉴定出 9 种化合物。从中美洲铁树根皮中分离出的七种氧杂蒽酮分别是 mesuaferrin A (1)、mesuaferrin B (2)、mesuaferrin C (3)、caloxanthone C (4)、macluraxanthone (5)、1,5-二羟基氧杂蒽酮 (6) 和 tovopyrifolin C (7)。同时,Mesua congestiflora 能产生一种二苯甲酮 congestiflorone (8) 和一种黄酮 a-mangostin (9)。通过结构修饰反应,还得到了两种新化合物,分别是卡洛黄酮 C 二乙酸酯(10)和 congestiflorone 乙酸酯(11)。这些化合物的表征是通过一维和二维核磁共振、紫外、红外和气相色谱-质谱等多种光谱技术实现的。