实验室安全守则 1
目录 1
第一部分 天然药化实验中常用方法及仪器设备 2
(一)提取 2
1.提取 2
2.过滤 2
3.浓缩 4
Ⅰ.Extraction 4
1.Extraction 4
3.Concentrate 5
1 Recrystallization of natural compounds and drying of samples (1 5
2.Filtration 5
1.萃取 6
2.脱盐、去叶绿素 6
(二)分离、纯化方法 6
3.离心薄层色谱法 7
4.液相柱层析 7
5.重结晶 8
Ⅱ.Several methods in separation and purification 9
1.Extraction 9
2.Desalting and removal of chlorophyll 9
3.Centrifugal Thin-Layer Chromatography 10
4.Liquid column chromatography 11
(三)天然化合物的理化数据、波谱数据的测定与结构鉴定 12
第二部分天然药化实验实例 14
实验一天然化合物的重结晶和样品的干燥 14
实验二TLC铺板、干燥、活化、色谱用硅胶柱的填装 16
2The preparation,Drying and Activation of silica TLC The preparation ofsilica column for chromatography 19
实验三 芦丁和槲皮素的提取、分离和结构鉴定……………………………………(23 )3 Extraction,Isolation Identification of Rutin and Quercetin 27
实验四 葛根中异黄酮类化合物的提取、分离与结构鉴定 30
4 Extraction,Isolation and Identification of Isoflavonoids in Pueraria Radix 32
实验五 苦参碱和氧化苦参碱的提取、分离与结构鉴定 34
5 Extraction,Isolation and Identification of Matrine and Oxymatrine 36
实验六粉防己生物碱的提取、分离与结构鉴定 38
6 Extraction,Isolation and Identification of“Fen Fang Ji”Alkaloids 42
实验七 紫杉烷二萜成分的提取、分离与结构鉴定 46
7 Extract ion,Isolation Identification of Taxane Diterpenoids 50
实验八青蒿素的提取、分离与结构鉴定 53
8 Extraction,Isolation,Chemical Identification of Artemisinin 56
(Qinghaosu) 56
实验九穿心莲内酯的提取、分离与结构鉴定及亚硫酸氢钠加成物的制备 58
9 Isolation and Identification of Andrographolide and the Adduct ofAndrographolide with sodium hydrogen sulfite 61
实验十 人参皂苷的提取、分离与结构鉴定 63
10 Isolation and Identification of Ginsenosides 66
实验十一天然产物化学成分系统预试验 69
11 The systemic preparative test on chemical components of nature products 76
附录 84
1.常用有机溶剂及有关数据表 84
2.常用层析材料及有关数据表 88
3.NMR谱测定常用氘代溶剂及其溶剂杂质峰(1H的13C)和水峰(谱图和数据) 90
参考文献 92