Nature Medicinal chemistry Steroids and Saponins steroids and Slides: 40 Download presentation 天然药物化学 Nature Medicinal chemistry 第八章 甾体及其苷类 Steroids and Saponins 武汉理 大学制药 程系 甾体及其苷类 steroids and saponins スチロィド 3 -oxidosqualene Protosterol cation lanosterol 甾体皂苷(steroidal saponins) 螺甾烷醇类 (spirostanols) 呋甾烷醇类 (furostanols) 异螺甾烷醇类 (isospirostanols) 变形螺甾烷醇类 (pseudo- spirostanols) b b 25 S, 25 L, 25 b. F, neo 25 R, 25 D, 25 a. F, iso a IR 光谱特征 螺甾皂苷元指纹区 A B C D cm-1 980 920 900 860 25 S B>C 25 R B<C Ð 3 -OH, A/B环构型 OH平伏键 n(O-C)1044 -1037 OH直立键 n(O-C)1036 -1032, 1002 -996 Ð m/z 357 m/z 347 m/z 386 m/z 344 m/z 273 m/z 302 m/z 287 m/z 122 1. 0 ppm 16. 3 ppm 17. 3 ppm 0. 65 -0. 70 ppm 109. 5± 0. 5 112. 5± 0. 5 12. 5 ppm 45 ppm 24. 0 ppm 37. 0 ppm No gal glc xyl glc Glc 1 102. 79 104. 96 105. 10 2 73. 20 81. 41 75. 54 75. 23 3 75. 09 86. 67 77. 65 78. 65 4 79. 90 70. 76 70. 51 70. 97 71. 68 5 76. 27 77. 65 67. 38 78. 65 6 60. 56 62. 45 62. 84 强心苷类 Cardiac glycosides 天然药物化学 n Nature Medicinal chemistry 第二章 强心苷类 Cardiac glycosides 武汉理 大学制药 程系 狄高辛 digoxin 海葱苷A Proscillaridin A D-quinovose D-鸡纳糖 L-thevetose L-黄花夹竹桃糖 D-antiarose D-努箭子糖 D-6 -deoxyallose D-6 -去氧阿洛糖 D-diginose D-地芰糖 D-cymarose D-加拿大麻糖 KOH Et. OH O 3 KHCO 3 HIO 4 HCl Advanced medicinal chemistryPatrick anDrug receptor interaction medicinal chemistryDrug-receptor interactionPeter wipfMixtures of organic substances and a medicinal agent are:Toilet preparation act 1955Steroids and cholesterolJewel weed medicinalObjective of medicinal plantsNiyog niyogan uses and preparationQuality control methods for medicinal plant materialsDefine medicinal plantsGas medicinalVeterinary medicinal product dossierTransporte ativoMedicinal algaeVanilla processingQuimica medicinalMedicinal algaeMedicinal uses of quinolinePyrrole medicinal usesStevia planta medicinalBurmmMedicinal kemi auGaspari nutrition steroidsSteroids endocrine systemSteroids structureHow to increase testosterone hormoneSteroidSteroid family treeFunction of steroidHormones classificationAdelphi research steroidsSteroids meaningVitamin d synthesis pathwaySteroidNarx score"xiidra"Terpenes steroids prostaglandinsNature and nature's laws lay hid in night