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香豆素

香豆素 基本信息

香豆素(Coumarin)是一类具有独特芳香气味的化合物,化学式为C9H6O2。它们属于苯骈α-呋喃酮类化合物,在自然界中广泛存在。

结构特征

香豆素的基本结构由苯环和呋喃酮构成,其中苯环与四个碳原子相连的呋喃酮单元形成独特的“香豆素环”。

自然来源

香豆素存在于多种植物、真菌及动物体内。在植物界中,它主要作为天然防御机制的一部分,用作对昆虫的化学信号。著名的例子包括:天竺葵科(如紫花苜蓿)、唇形科(如薄荷)和芸香科(如柑橘属果实)。此外,在真菌、苔藓及藻类中也有发现。

化学性质 稳定性

由于其独特的结构,香豆素表现出良好的化学稳定性。它们不易被氧化或还原,但可以与其他化合物发生多种类型的反应,包括缩合、取代等。

生物活性

许多香豆素衍生物具有生物活性,能够引起抗菌、抗炎、抗氧化等多种作用。这些特性使它们成为医药、食品添加剂等多个领域的重要研究对象。

应用领域 医药行业

在制药业中,某些结构类似物被开发为药物先导化合物。例如,香豆素类抗生素是最早的广谱抗生素之一;一些香豆素衍生物还表现出抗癌潜力。

食品工业

由于其独特的香气和味道,在食品加工中也得到了广泛应用,常作为香精成分使用。

其他应用

此外,它们还在染料生产、农药开发等多个领域展现出潜在价值。

生产方法

香豆素可通过多种合成路径获得。传统的化学合成涉及从苯甲醛出发的反应;而近年来,通过生物转化技术,利用微生物发酵过程制备天然香豆素也成为一种可持续的方法。

总之,香豆素因其独特的结构和广泛的生物学应用,在多个领域中发挥着重要作用,并且仍然是有机化学研究中的一个重要课题。

中文名称 英文名称 CAS号 化学式
—— (E)-N-[[(2S)-5-ethoxy-2-methyl-2,3-dihydro-1-benzofuran-6-yl]methyl]-3-(furan-2-yl)prop-2-enamide —— C19H21NO4
—— ethyl (1R,2S)-2-[[2,3-dihydro-1-benzofuran-5-ylmethyl-(1,5-dimethylpyrazole-3-carbonyl)amino]methyl]cyclopropane-1-carboxylate —— C22H27N3O4
—— N-[[(1S)-cyclohex-3-en-1-yl]methyl]-N-[(1,5-dimethylpyrazol-3-yl)methyl]-2,3-dihydro-1-benzofuran-5-carboxamide —— C22H27N3O2
—— (2R)-N-[(4-chloro-1-methylpyrazol-3-yl)methyl]-N-(2,3-dihydro-1-benzofuran-5-ylmethyl)-5-oxooxolane-2-carboxamide —— C19H20ClN3O4
—— (2S)-N-[[(1S)-cyclohex-3-en-1-yl]methyl]-N-(2,3-dihydro-1-benzofuran-5-ylmethyl)oxolane-2-carboxamide —— C21H27NO3
—— N-[(4-chloro-1-methylpyrazol-3-yl)methyl]-N-(2,3-dihydro-1-benzofuran-5-ylmethyl)cycloheptanecarboxamide —— C22H28ClN3O2
—— N-[(2-methylphenyl)methyl]-N-[(1S)-1-phenylethyl]-2,3-dihydro-1-benzofuran-7-carboxamide —— C25H25NO2
—— N-[(1R)-1-phenylethyl]-N-(pyridin-2-ylmethyl)-2,3-dihydro-1-benzofuran-5-carboxamide —— C23H22N2O2
—— ethyl (1S,2S)-2-[[cyclohexyl(2,3-dihydro-1-benzofuran-5-carbonyl)amino]methyl]cyclopropane-1-carboxylate —— C22H29NO4
—— ethyl (1R,2S)-2-[[2,3-dihydro-1-benzofuran-5-carbonyl(3-phenylpropyl)amino]methyl]cyclopropane-1-carboxylate —— C25H29NO4
—— N-benzyl-N-(1,3-thiazol-2-ylmethyl)-2,3-dihydro-1-benzofuran-5-carboxamide —— C20H18N2O2S
—— N-(furan-3-ylmethyl)-N-[(1S)-1-phenylethyl]-2,3-dihydro-1-benzofuran-5-carboxamide —— C22H21NO3
—— ethyl (1R,2R)-2-[[butyl(2,3-dihydro-1-benzofuran-7-carbonyl)amino]methyl]cyclopropane-1-carboxylate —— C20H27NO4
—— N-(furan-2-ylmethyl)-N-[(2R)-4-phenylbutan-2-yl]-2,3-dihydro-1-benzofuran-7-carboxamide —— C24H25NO3
—— (2R)-2-methyl-2,3-dihydro-1-benzofuran-5-carbonyl chloride —— C10H9ClO2
—— N-[(1-methylimidazol-2-yl)methyl]-N-(3-phenylpropyl)-2,3-dihydro-1-benzofuran-7-carboxamide —— C23H25N3O2
—— N-(2-methylpropyl)-N-(pyridin-4-ylmethyl)-2,3-dihydro-1-benzofuran-5-carboxamide —— C19H22N2O2
—— [(2S)-2-methyl-2,3-dihydro-1-benzofuran-5-yl]methylazanium —— C10H14NO+
—— N-[(2-methylphenyl)methyl]-N-[(2R)-4-phenylbutan-2-yl]-2,3-dihydro-1-benzofuran-7-carboxamide —— C27H29NO2
—— [(2R)-2-methyl-2,3-dihydro-1-benzofuran-5-yl]methanamine —— C10H13NO
—— N-[(1S)-1-phenylethyl]-N-(pyridin-3-ylmethyl)-2,3-dihydro-1-benzofuran-7-carboxamide —— C23H22N2O2
—— (4E,5S)-4-[hydroxy-[(2R)-2-methyl-2,3-dihydro-1-benzofuran-5-yl]methylidene]-1-(3-methoxypropyl)-5-(5-methylfuran-2-yl)pyrrolidine-2,3-dione —— C23H25NO6
—— 2-[(2,2-dimethyl-3H-1-benzofuran-7-yl)oxy]-N-(4-pyridin-3-yl-1,3-thiazol-2-yl)acetamide —— C20H19N3O3S
—— 2-[(2,2-dimethyl-3H-1-benzofuran-7-yl)oxy]-N-[4-(2,4,5-trimethylphenyl)-1,3-thiazol-2-yl]acetamide —— C24H26N2O3S
—— 2-[(2,2-dimethyl-3H-1-benzofuran-7-yl)oxy]-N-[4-(3,4-dimethylphenyl)-1,3-thiazol-2-yl]acetamide —— C23H24N2O3S
—— 2-[[(2R)-5-ethoxy-2-methyl-2,3-dihydro-1-benzofuran-6-yl]methylidene]propanedinitrile —— C15H14N2O2
—— 2-[[(2S)-5-ethoxy-2-methyl-2,3-dihydro-1-benzofuran-6-yl]methylidene]propanedinitrile —— C15H14N2O2
—— (4E,5S)-4-[hydroxy-[(2S)-2-methyl-2,3-dihydro-1-benzofuran-5-yl]methylidene]-1-(3-imidazol-1-ylpropyl)-5-thiophen-2-ylpyrrolidine-2,3-dione —— C24H23N3O4S
—— (4E,5S)-5-(furan-2-yl)-4-[hydroxy-[(2R)-2-methyl-2,3-dihydro-1-benzofuran-5-yl]methylidene]-1-(3-imidazol-1-ylpropyl)pyrrolidine-2,3-dione —— C24H23N3O5
—— (4E,5R)-1-benzyl-4-[hydroxy-[(2S)-2-methyl-2,3-dihydro-1-benzofuran-5-yl]methylidene]-5-pyridin-4-ylpyrrolidine-2,3-dione —— C26H22N2O4
—— (4E,5R)-1-benzyl-5-(furan-2-yl)-4-[hydroxy-[(2R)-2-methyl-2,3-dihydro-1-benzofuran-5-yl]methylidene]pyrrolidine-2,3-dione —— C25H21NO5
—— 6-[[[(2R)-5-ethoxy-2-methyl-2,3-dihydro-1-benzofuran-6-yl]methylamino]methylidene]-4-nitrocyclohexa-2,4-dien-1-one —— C19H20N2O5
—— 6-[[[(2S)-5-ethoxy-2-methyl-2,3-dihydro-1-benzofuran-6-yl]methylamino]methylidene]-2-methoxycyclohexa-2,4-dien-1-one —— C20H23NO4
—— 2-((2,2-dimethyl-2,3-dihydrobenzofuran-7-yl)oxy)-N-phenethylacetamide —— C20H23NO3
—— 2-[(2,2-dimethyl-3H-1-benzofuran-7-yl)oxy]-N-(furan-2-ylmethyl)acetamide —— C17H19NO4
—— (5R)-4-[hydroxy-[(2R)-2-methyl-2,3-dihydro-1-benzofuran-5-yl]methylidene]-1-(3-methoxypropyl)-5-(5-methylfuran-2-yl)pyrrolidine-2,3-dione —— C23H25NO6
—— (5S)-1-benzyl-5-(furan-2-yl)-4-[hydroxy-[(2S)-2-methyl-2,3-dihydro-1-benzofuran-5-yl]methylidene]pyrrolidine-2,3-dione —— C25H21NO5
—— (5R)-1-benzyl-5-(furan-2-yl)-4-[hydroxy-[(2R)-2-methyl-2,3-dihydro-1-benzofuran-5-yl]methylidene]pyrrolidine-2,3-dione —— C25H21NO5
—— (5E)-5-[[(2S)-2-methyl-2,3-dihydro-1-benzofuran-5-yl]methylidene]-3-[[(2R)-oxolan-2-yl]methyl]-2-sulfanylidene-1,3-thiazolidin-4-one —— C18H19NO3S2
—— 4-(4-tert-butylphenoxy)-N-[[(2S)-5-ethoxy-2-methyl-2,3-dihydro-1-benzofuran-6-yl]methyl]butanamide —— C26H35NO4
—— N-[[(2R)-5-ethoxy-2-methyl-2,3-dihydro-1-benzofuran-6-yl]methyl]-3-(4-methoxyphenyl)propanamide —— C22H27NO4
—— N-[[(2S)-5-ethoxy-2-methyl-2,3-dihydro-1-benzofuran-6-yl]methyl]-4-(2-ethoxyphenoxy)butanamide —— C24H31NO5
—— 2-(2-chlorophenoxy)-N-[[(2R)-5-ethoxy-2-methyl-2,3-dihydro-1-benzofuran-6-yl]methyl]acetamide —— C20H22ClNO4
—— [(2R)-1-[2-(dimethylazaniumyl)ethyl]-2-(5-methylfuran-2-yl)-4,5-dioxopyrrolidin-3-ylidene]-[(2S)-2-methyl-2,3-dihydro-1-benzofuran-5-yl]methanolate —— C23H26N2O5
—— (5E)-3-[(3R)-1,1-dioxothiolan-3-yl]-5-[[(2S)-2-methyl-2,3-dihydro-1-benzofuran-5-yl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one —— C17H17NO4S3
—— 3-[(2R)-3-[hydroxy-[(2R)-2-methyl-2,3-dihydro-1-benzofuran-5-yl]methylidene]-2-(5-methylfuran-2-yl)-4,5-dioxopyrrolidin-1-yl]propyl-dimethylazanium —— C24H29N2O5+
—— 3-[(2S)-3-[hydroxy-[(2R)-2-methyl-2,3-dihydro-1-benzofuran-5-yl]methylidene]-2-(5-methylfuran-2-yl)-4,5-dioxopyrrolidin-1-yl]propyl-dimethylazanium —— C24H29N2O5+
—— (5Z)-5-[[(2S)-5-ethoxy-2-methyl-2,3-dihydro-1-benzofuran-6-yl]methylidene]-3-prop-2-enyl-2-sulfanylidene-1,3-thiazolidin-4-one —— C18H19NO3S2
—— (5Z)-5-[[(2R)-5-ethoxy-2-methyl-2,3-dihydro-1-benzofuran-6-yl]methylidene]-3-prop-2-enyl-2-sulfanylidene-1,3-thiazolidin-4-one —— C18H19NO3S2
—— 6-[(E)-2-[(2S)-2-methyl-2,3-dihydro-1-benzofuran-5-yl]ethenyl]-5-nitro-1H-pyrimidine-2,4-dione —— C15H13N3O5