存在于烤烟和白肋烟烟叶以及烟气中。
**东莨菪内酯**是香豆素化合物的一种,广泛存在于茄科植物中,尤其在黄花蒿、莨菪根、颠茄及安兴白芷等植物的根部含量较高。该物质可从多种植物中提取,如黄花蒿,并具有重要的药用价值和农用生物活性,包括杀虫、杀螨、抑菌以及调节植物生长发育和诱导抗性等功能。
理化性质东莨菪内酯为淡黄色针状或棱柱状结晶(氯仿或醋酸),微溶于水或冷乙醇,溶于热乙醇或热乙酸,易溶于氯仿,几乎不溶于苯。
东莨菪内酯的分离及纯化秦培元等人介绍了一种从黄花蒿中提取东莨菪内酯的方法:
第一步:制备黄花蒿丙酮提取物。取重庆市酉阳山区产的黄花蒿,经过石油醚热回流提取青蒿素后的残渣,在60℃烘箱烘干后,用丙酮(质量比1:5)冷浸48小时,过滤并浓缩至无丙酮味为止。
第二步:东莨菪内酯的提取。称取3g黄花蒿丙酮提取物与硅胶混合,置于硅胶柱顶端进行柱层析分离,用石油醚-乙酸乙酯(体积比1:1)混合溶剂洗脱,控制流速为300mL/h,并每100mL收集一份。在254nm紫外光下检测含有东莨菪内酯的洗脱液。
该信息由Chemicalbook的褚玥编辑整理。
检测方法使用高效液相色谱法进行检测,条件包括C18反向色谱柱、乙腈-水(体积比80:20)为流动相、流速0.8mL/min和340nm检测波长。进样量为20µL。
药理活性东莨菪内酯能调节血压,具有抑菌活性,并可用于治疗支气管疾病和哮喘。此外,其还能够帮助减轻焦虑症和抑郁症等症状。研究表明,它在镇痛、抗炎、降血压及解痉等方面也有显著作用,特别是在抗癌及防治高尿酸血症方面表现突出。
农用生物活性东莨菪内酯来源于茵陈,主要用于含量测定、药理实验等。此外,它在染料及检测氧化爆发期间的活性氧释放等方面也有广泛应用,并作为过氧清道夫和乙酰胆碱酯酶抑制剂使用。临床上用于祛风、抗炎、止痛及祛痰等功能。
化学性质:来源于茵陈
用途:
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
6,7-二甲氧基香豆素 | Scoparone | 120-08-1 | C11H10O4 | 206.198 |
6,7-二羟基香豆素 | aesculetin | 305-01-1 | C9H6O4 | 178.144 |
6-甲氧基-2H-色烯-2-酮 | 6-methoxycoumarin | 17372-53-1 | C10H8O3 | 176.172 |
乙酸东莨菪素酯 | Scopoletin-acetat | 56795-51-8 | C12H10O5 | 234.208 |
—— | 7-(benzyloxy)-6-methoxy-2H-chromen-2-one | 101451-75-6 | C17H14O4 | 282.296 |
6,7-二羟基香豆素-7-苄醚 | 7-O-Benzylesculetin | 895-61-4 | C16H12O4 | 268.269 |
—— | obtusinin | 75082-72-3 | C15H18O6 | 294.304 |
—— | bungeidiol - 7-(3',7'-dimethyl-4',7'-dihydroxyoct-2'-enyloxy)-6-methoxycoumarin | 116946-59-9 | C20H26O6 | 362.423 |
—— | 7-hydroxy-6-methoxy-2-oxo-2H-chromene-3-carboxylic acid | 853928-01-5 | C11H8O6 | 236.181 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
6,7-二甲氧基香豆素 | Scoparone | 120-08-1 | C11H10O4 | 206.198 |
6,7-二羟基香豆素 | aesculetin | 305-01-1 | C9H6O4 | 178.144 |
—— | 7-ethoxy-6-methoxy-2H-chromen-2-one | —— | C12H12O4 | 220.225 |
—— | 6-methoxy-7-(2-hydroxyethoxy)-coumarin | —— | C12H12O5 | 236.224 |
—— | 7-(2-Chloroethoxy)-6-methoxychromen-2-one | 1369572-82-6 | C12H11ClO4 | 254.67 |
—— | 7-Allyloxy-6-methoxy-cumarin | 91903-46-7 | C13H12O4 | 232.236 |
—— | 7-propargyloxy-6-methoxycoumarin | —— | C13H10O4 | 230.22 |
—— | 7-(2-Bromoethoxy)-6-methoxychromen-2-one | 1369572-81-5 | C12H11BrO4 | 299.121 |
—— | 7-(3-hydroxypropoxy)-6-methoxy-2H-1-benzopyran-2-one | —— | C13H14O5 | 250.251 |
—— | 7-(3-chloropropoxy)-6-methoxy-2H-1-benzopyran-2-one | —— | C13H13ClO4 | 268.697 |
6-甲氧基-7-异戊烯氧基香豆素 | 7-(3-methyl-2-butenyloxy)-6-methoxycoumarin | 13544-37-1 | C15H16O4 | 260.29 |
—— | 7-(4-Bromobutoxy)-6-methoxychromen-2-one | 1369572-84-8 | C14H15BrO4 | 327.175 |
秦皮素 | 7,8-dihydroxy-6-methoxy-2H-1-benzopyran-2-one | 574-84-5 | C10H8O5 | 208.171 |
—— | 7-[2-(Diethylamino)ethoxy]-6-methoxychromen-2-one | 78620-00-5 | C16H21NO4 | 291.347 |
乙酸东莨菪素酯 | Scopoletin-acetat | 56795-51-8 | C12H10O5 | 234.208 |
—— | 7-(benzyloxy)-6-methoxy-2H-chromen-2-one | 101451-75-6 | C17H14O4 | 282.296 |
—— | 6-methoxy-7-(oxiranylmethoxy)-2H-1-benzopyran-2-one | —— | C13H12O5 | 248.235 |
—— | 6-Methoxy-7-(2-morpholin-4-ylethoxy)chromen-2-one | 1416769-98-6 | C16H19NO5 | 305.331 |
7-香叶草氧基-6-甲氧基香豆素 | 6-methoxy-7-geranyloxycoumarin | 28587-43-1 | C20H24O4 | 328.408 |
—— | 6-Methoxy-7-[2-(4-methylpiperazin-1-yl)ethoxy]chromen-2-one | 1416769-99-7 | C17H22N2O4 | 318.373 |
—— | 6-Methoxy-7-(2-pyrrolidin-1-ylethoxy)chromen-2-one | 1416770-00-7 | C16H19NO4 | 289.331 |
—— | 6-methoxy-7-(2-oxo-3-methylbutoxy)coumarin | —— | C15H16O5 | 276.289 |
—— | 7-[2-Hydroxy-3-(propan-2-ylamino)propoxy]-6-methoxychromen-2-one | 1416770-02-9 | C16H21NO5 | 307.346 |
—— | 6,7,8-trihydroxycoumarin | 114371-80-1 | C9H6O5 | 194.144 |
—— | 6-Methoxy-7-(2-piperidin-1-ylethoxy)chromen-2-one | 1416770-01-8 | C17H21NO4 | 303.358 |
—— | virgatenol | —— | C15H16O5 | 276.289 |
—— | 4-(6-methoxy-2-oxo-2H-chromen-7-yloxymethyl)benzonitrile | 1369572-85-9 | C18H13NO4 | 307.306 |
—— | 7-[3-(Diethylamino)-2-hydroxypropoxy]-6-methoxychromen-2-one | 1416770-03-0 | C17H23NO5 | 321.373 |
—— | 7-(3-chloro-2-hydroxy-3-methylbutoxy)-6-methoxycoumarin | —— | C15H17ClO5 | 312.75 |
—— | 7-(2-Hydroxy-3-pyrrolidin-1-ylpropoxy)-6-methoxychromen-2-one | 1416770-06-3 | C17H21NO5 | 319.357 |
—— | 7-(2',3'-epoxy-3'-methyl-3'-butyloxy)-6-methoxycoumarin | 73435-97-9 | C15H16O5 | 276.289 |
—— | virgatol | —— | C16H20O6 | 308.331 |
—— | 7-(2-Hydroxy-3-morpholin-4-ylpropoxy)-6-methoxychromen-2-one | 1416770-04-1 | C17H21NO6 | 335.357 |
—— | 7-[2-Hydroxy-3-(4-methylpiperazin-1-yl)propoxy]-6-methoxychromen-2-one | 1416770-05-2 | C18H24N2O5 | 348.399 |
—— | 6-methoxy-7-(2-oxo-2-phenylethoxy)-2H-chromen-2-one | 1369572-80-4 | C18H14O5 | 310.306 |
—— | 2-(6-methoxy-2-oxo-2H-chromen-7-yloxy)-N-phenylacetamide | 1387000-03-4 | C18H15NO5 | 325.321 |
—— | 6-methoxy-2-oxo-2H-chromen-7-yl cinnamate | —— | C19H14O5 | 322.317 |
—— | 6-Methoxy-7-[2-(4-methoxyphenyl)-2-oxoethoxy]chromen-2-one | 1369572-77-9 | C19H16O6 | 340.332 |
7-羟基-6-甲氧基-3-异戊烯基香豆素 | 7-hydroxy-6-methoxy-3-prenylcoumarin | 299159-90-3 | C15H16O4 | 260.29 |
—— | 2-(6-methoxy-2-oxo-2H-chromen-7-yloxy)-N-p-tolylacetamide | 1386999-97-8 | C19H17NO5 | 339.348 |
—— | (E)-6-methoxy-2-oxo-2H-chromen-7-yl 3-(4-methoxyphenyl)acrylate | —— | C20H16O6 | 352.343 |
—— | N-(4-chlorophenyl)-2-(6-methoxy-2-oxo-2H-chromen-7-yloxy)acetamide | 1386999-99-0 | C18H14ClNO5 | 359.766 |
—— | 7-[2-(4-Fluorophenyl)-2-oxoethoxy]-6-methoxychromen-2-one | 1369572-78-0 | C18H13FO5 | 328.297 |
—— | 7-[2-(4-Chlorophenyl)-2-oxoethoxy]-6-methoxychromen-2-one | 1369572-75-7 | C18H13ClO5 | 344.751 |
—— | N-(4-fluorophenyl)-2-(6-methoxy-2-oxo-2H-chromen-7-yloxy)acetamide | 1387000-04-5 | C18H14FNO5 | 343.311 |
—— | 7-[2-(4-Bromophenyl)-2-oxoethoxy]-6-methoxychromen-2-one | 1369572-74-6 | C18H13BrO5 | 389.202 |
—— | (E)-6-methoxy-2-oxo-2H-chromen-7-yl 3-(4-fluorophenyl)acrylate | —— | C19H13FO5 | 340.308 |
—— | (E)-6-methoxy-2-oxo-2H-chromen-7-yl 3-(4-chlorophenyl)acrylate | —— | C19H13ClO5 | 356.762 |
—— | 7,7'-dihydroxy-6,6'-dimethoxy-3,3'-biscoumarin | —— | C20H14O8 | 382.326 |
—— | (E)-6-methoxy-2-oxo-2H-chromen-7-yl 3-(4-cyanophenyl)acrylate | —— | C20H13NO5 | 347.327 |
—— | N-[4-(tert-butyl)phenyl]-2-(6-methoxy-2-oxo-2H-chromen-7-yloxy)acetamide | 1386999-98-9 | C22H23NO5 | 381.428 |
—— | 6-methoxy-2-oxo-2H-chromen-7-yl 3-(4-hydroxy-3-methoxyphenyl) propanoate | —— | C20H18O7 | 370.359 |
—— | N-(3,4-dimethoxyphenyl)-2-(6-methoxy-2-oxo-2H-chromen-7-yloxy)acetamide | 1387000-05-6 | C20H19NO7 | 385.373 |
—— | 6-methoxy-2H,8H-benzo[1,2-b;3,4-b]dipyran-2,8-dione | —— | C13H8O5 | 244.204 |
—— | 7-[2-(2,4-dichlorophenyl)-2-oxoethoxy]-6-methoxy-2H-chromen-2-one | 1369572-79-1 | C18H12Cl2O5 | 379.196 |
—— | 2-(6-methoxy-2-oxo-2H-chromen-7-yloxy)-N-(2-methoxyphenyl)acetamide | 1387000-00-1 | C19H17NO6 | 355.347 |
—— | 6-Methoxy-7-[2-(4-nitrophenyl)-2-oxoethoxy]chromen-2-one | 1369572-76-8 | C18H13NO7 | 355.304 |
—— | N-(3-chloro-4-fluorophenyl)-2-(6-methoxy-2-oxo-2H-chromen-7-yloxy)acetamide | 1387000-08-9 | C18H13ClFNO5 | 377.756 |
—— | (E)-6-methoxy-2-oxo-2H-chromen-7-yl 3-(3,4,5-trimethoxyphenyl)acrylate | —— | C22H20O8 | 412.396 |
—— | 8-allylscopoletin | 91903-45-6 | C13H12O4 | 232.236 |
—— | N-(3-acetylphenyl)-2-(6-methoxy-2-oxo-2H-chromen-7-yloxy)acetamide | 1387000-07-8 | C20H17NO6 | 367.358 |
—— | 7,7'-dihydroxy-6,6'-dimethoxy-8,8'-biscoumarin | —— | C20H14O8 | 382.326 |
—— | 6-(methoxy)geiparvarin | 136823-58-0 | C20H20O6 | 356.375 |