Panthama Natcha, Kanokmedhakul Somdej, Kanokmedhakul Kwanjai
Department of Chemistry, Khon Kaen University, Thailand.
Chem Pharm Bull (Tokyo). 2009 Dec;57(12):1352-5. doi: 10.1248/cpb.57.1352.
Five new galloyl and (S)-hexahydroxydiphenyl (HHDP) esters of phenylpropanoid glucosides; 1-O-(E)-coumaroyl-3-galloyl-4,6-(S)-HHDP-beta-D-glucopyranose (21), 1-O-(E)-coumaroyl-3,4,6-trigalloyl-beta-D-glucopyranose (22), 1-O-(E)-caffeoyl-3,4,6-trigalloyl-beta-D-glucopyranose (23), 1-O-(E)-cinnamoyl-3-galloyl-4,6-(S)-HHDP-beta-D-glucopyranose (24), and 1-O-(E)-cinnamoyl-4-galloyl-beta-D-glucopyranose (25), together with twenty known compounds which were identified as four triterpenes (1, 2, 3, 5), one steroid (4), one lignan (6), three phenylpropanoids (7, 8, 14), five phenylpropanoid glucosides (10, 12, 13, 15, 16), five galloyl and HHDP esters of phenylpropanoid glucosides (11, 17-20), and one bischroman (9). Their structures were determined on the basis of 1D and 2D spectroscopic data.
五种新的苯丙素苷的没食子酰基和（S）-六羟基二苯甲酰基（HHDP）酯；1-O-（E）-香豆酰基-3-没食子酰基-4,6-（S）-HHDP-β-D-吡喃葡萄糖（21）、1-O-（E）-香豆酰基-3,4,6-三没食子酰基-β-D-吡喃葡萄糖（22）、1-O-（E）-咖啡酰基-3,4,6-三没食子酰基-β-D-吡喃葡萄糖（23）、1-O-（E）-肉桂酰基-3-没食子酰基-4,6-（S）-HHDP-β-D-吡喃葡萄糖（24）和1-O-（E）-肉桂酰基-4-没食子酰基-β-D-吡喃葡萄糖（25），以及二十种已知化合物，它们被鉴定为四种三萜（1、2、3、5）、一种甾体（4）、一种木脂素（6）、三种苯丙素类化合物（7、8、14）、五种苯丙素苷（10、12、13、15、16）、五种苯丙素苷的没食子酰基和HHDP酯（11、17 - 20）以及一种双氢异色满（9）。它们的结构基于一维和二维光谱数据确定。
