栀子甙
[中文名称] 栀子甙
[英文名称] Gardenoside
[别 名] 羟异栀子甙, 栀子糖甙, 异栀子甙
[成分来源] 茜草科植物栀子 Gardenia jasminoides Ellis 果实[1,3,4], ^c叶和叶柄[1]。
[规格] 20% 30% 50%60% 90% 95% 98%
[化学名称] Cyclopenta pyran-4-carboxylic acid, 1-(β-D-glucopyranoxyloxy)-1, 4a, 7, 7a-tetrahydro-7-hydroxy-7-hydroxy-7-(hydroxymethyl)-, methyl ester, [1S-(1α, 4aα, 7α, 7aα)]-
[分 子 式] C17H24O11;
[分 子 量] 404.36
[物理性质] 粉状物,熔点118~120°,[α]D-100.8°(甲醇)。NMR (D2 O): 5.83 (d, J=2.0, C-1), 7.38 (d, J=1.5, C-3), 6.27 (dd, J6,7 =6.0, J6,5 =2.5, (C-6), 5.74 (dd, J7,6 =0, J7? =1.0 C-7), 2.73 (dd, J9,5 =9.0, J9,1 =2.0 C-9), 3.78 (s, COOCH3); UVλMeOHmax nm (logε): 237 (4.01); IRνnujolmax cm -1: 3500~3300, 1695, 1645[1]; 13CNMR[2]。 |