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 | 结构式图片 |
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—— | 8'-(2-hydroxy-3,5-dichlorobenzylideneamino)-1,3,3-trimethyl-1,3-dihydrospiro[2H-indole-2,3'-[3H]naphtho[2,1-b][1,4]oxazine] | 1236041-52-3 | C29H23Cl2N3O2 |
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—— | 3-(iodomethyl)-6-nitro-2,3-dihydrobenzofuran | 107616-52-4 | C9H8INO3 |
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—— | 3-ethyl-7-trimethylsilyl-2,3-dihydrobenzofuran | 869085-50-7 | C13H20OSi |
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—— | 2,2'-bis-bromomethyl-2,3,2',3'-tetrahydro-[5,5']bibenzofuranyl | 101735-50-6 | C18H16Br2O2 |
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—— | 2-(3-Di-isopropylamino-propylaminomethyl)-2,3-dihydro-benzofuran | 21130-31-4 | C18H30N2O |
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—— | 3-(iodomethyl)-3-methyl-2,3-dihydrobenzofuran | 78739-84-1 | C10H11IO |
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—— | (1S,2S)-1-(4-bromophenyl)-1,2-dihydro-2-nitronaphtho[2,1-b]furan | 1424936-89-9 | C18H12BrNO3 |
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—— | 5-fluoro-6',7'-dihydro-3H,5'H-spiro[2-benzofuran-1,8'-imidazo[1,5-a]pyridine]-6-carbonitrile | 1067882-33-0 | C15H12FN3O |
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—— | methyl [(3S)-6-{[(3-bromo-2-hydroxyphenyl)methylidene]amino}-2,3-dihydro-1-benzofuran-3-yl]acetate | 1258399-04-0 | C18H16BrNO4 |
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—— | (Z)-1-(iodomethyl)-3-methoxycarbonylmethylene-1,5-dimethyl-3H-isobenzofuran | 1213789-51-5 | C14H15IO3 |
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—— | 2,3-Dihydro-1-benzofuran-5-ylmethanethiol | 1521860-04-7 | C9H10OS |
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—— | (+/-)-[7-(2,6-dichlorophenyl)-5-fluoro-2,3-dihydro-1-benzofuran-2-yl]methanol | 852121-01-8 | C15H11Cl2FO2 |
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—— | 2-(2,3-dihydrobenzofuran-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane | 2246779-62-2 | C14H19BO3 |
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—— | Acetic acid 6,7-dichloro-5-phenylsulfamoyl-2,3-dihydro-benzofuran-2-ylmethyl ester | 103969-35-3 | C17H15Cl2NO5S |
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—— | 2,3-dihydro-2,2,4,6-tetramethyl-5-(2-methyl-1-propenyl)-benzofuran | 86577-34-6 | C16H22O |
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—— | 3-(Hydroxy-phenyl-methyl)-2,3-dihydro-benzofuran-4-carboxylic acid diethylamide | 93280-67-2 | C20H23NO3 |
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—— | 2,3,4,5-tetrahydro-2,2,5,5,7,8-hexamethylbenzo<1,2-b;4,3-b'>-difuran | 99337-34-5 | C16H22O2 |
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—— | 943899-17-0 | C16H18F3NO4 |
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—— | 1309662-73-4 | C22H26O9 |
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—— | 2,4,6,8-Tetramethyl-4H-benzo[1,3]dioxin | 860184-53-8 | C12H16O2 |
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—— | 2-(2,3-Dihydro-5-hydroxy-2-oxo-3-phenyl-3-benzofuranyl)acetic acid | 118709-26-5 | C16H12O5 |
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—— | 3-(2-Dimethylamino-ethyl)-3-p-tolyl-3H-benzofuran-2-one | 99484-60-3 | C19H21NO2 |
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—— | 8,9-Dichloro-3,3-dimethyl-5-(2-pyridyl)-2,3-dihydro-1-benzoxepine | 157986-97-5 | C17H15Cl2NO |
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—— | ethyl 5-(5-((4,4-dimethyl-7-hexylchroman-6-yl)-ethynyl)fur-2-yl)pentanoate | 1229857-84-4 | C30H40O4 |
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—— | 3-{6-[(4-butyl-2,6-dichlorophenyl)methoxy]-7-fluor-2H-spiro[1-benzofuran-3,4'-piperidine]-1'-yl}propanoic acid hydrochloride | 1355085-25-4 | C26H30Cl2FNO4*ClH |
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—— | (2R,3S)-methyl 7-methyl-3-(2-oxopropyl)-2,3-dihydrobenzofuran-2-carboxylate | 1267588-15-7 | C14H16O4 |
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—— | diethyl 5,7-dichloro-3-hydroxybenzofuran-2,2(3H)-dicarboxylate | 1422960-55-1 | C14H14Cl2O6 |
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—— | 1,8-<(isopropylidene)dioxy>-3-methyl-1,2,3,4-tetrahydronaphthalene | 143536-39-4 | C14H18O2 |
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—— | 5-prop-1-enyl-2,3,3-trimethyl-2,3-dihydrobenzofuran | 78259-73-1 | C14H18O |
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—— | (4aR,9R,9aR)-5-bromo-7-chloro-9-(nitromethyl)-2,3,4,4a,9,9a-hexahydro-1H-xanthen-1-one | 1627214-02-1 | C14H13BrClNO4 |
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—— | (R)-methyl 3-(4-bromophenyl)-5-((S)-(2-chlorophenyl)((S)-2-oxo-3-phenyl-2,3-dihydrobenzofuran-3-yl)methyl)-4,5-dihydroisoxazole-5-carboxylate | 1417999-40-6 | C32H23BrClNO5 |
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—— | 5-Chlor-2-(3-isopropyloxy-propylaminomethyl)-2,3-dihydro-benzofuran | 21130-24-5 | C15H22ClNO2 |
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—— | 3-(2,2,2-trifluoroethyl)-2,3-dihydrobenzofuran | 1440538-46-4 | C10H9F3O |
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—— | 9-Methoxy-1,2,3,4,4a,9b-hexahydro-dibenzofuran | 27124-69-2 | C13H16O2 |
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—— | 7,8-Difluoro-3,3-dimethyl-5-(2-pyridyl)-2,3,4,5-tetrahydro-1-benzoxepin-5-ol | 157986-39-5 | C17H17F2NO2 |
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—— | diethyl 5-chloro-3-(2-chlorophenylamino)benzofuran-2,2(3H)-dicarboxylate | 1422959-86-1 | C20H19Cl2NO5 |
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—— | 7,8-Dichloro-2-hydroxymethyl-2,3-dihydro-benzo[1,4]dioxine-5-sulfonic acid dimethylamide | 120588-65-0 | C11H13Cl2NO5S |
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—— | 5-Iodo-N-methoxy-N-methyl-2,3-dihydro-1-benzofuran-2-carboxamide | 1047648-53-2 | C11H12INO3 |
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—— | 5-[1-Chloro-2,2,2-trifluoro-1-(3-methoxy-phenyl)-ethyl]-2,3-dihydro-benzofuran | 131543-79-8 | C17H14ClF3O2 |
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—— | 2-(2,3-dihydro-benzofuran-5-yl)-thiazole-4-carboxylic acid [4-(dimethylamino-phenyl-methyl)-cyclohexyl]-amide | 944320-96-1 | C27H31N3O2S |
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—— | 6,6,9-trimethyl-3-(1-methyl-hexyloxy)-7,8,9,10-tetrahydro-6<i>H</i>-benzo[<i>c</i>]chromen-1-ol | 50832-83-2 | C23H34O3 |
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—— | 6,7-Dichloro-5-{2-[5-methyl-4-oxo-thiazolidin-(2E)-ylidene]-acetyl}-2,3-dihydro-benzofuran-2-carboxylic acid | 105978-92-5 | C15H11Cl2NO5S |
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—— | trans-3-methyl-2,3,4,4a,5,6-hexahydro-1H-benzofuro<3,2-e>isoquinolin-7(7aH)-one | 85891-93-6 | C16H19NO2 |
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—— | 6-hydroxy-2,2-tetramethylene-2,3-dihydrobenzopyran-4-one thiosemicarbazone | 1400288-74-5 | C14H17N3O2S |
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—— | N-({1-[(2,2-dimethyl-2,3-dihydro-1-benzofuran-7-yl)methyl]piperidin-4-yl}methyl)-2-(3-methyl-2,4-dioxo-1,3-thiazolidin-5-yl)-acetamide | 1048960-08-2 | C23H31N3O4S |
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—— | 2-(2,3-Dihydro-5-hydroxy-4,6,7-trimethylbenzofuran-2-yl)ethyl 3-(1,4-dihydro-3-hydroxy-2-methyl-4-oxo-1-pyridinyl)propanoate | 272770-16-8 | C22H27NO6 |
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—— | methyl {(3S)-6-[{(3S)-7-[(6-methylpyridin-3-yl)(propyl)amino]-2,3-dihydro-1-benzofuran-3-yl}(trifluoroacetyl)amino]-2,3-dihydro-1-benzofuran-3-yl}acetate | 1258402-28-6 | C30H30F3N3O5 |
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—— | 2-(4-(2,3-dihydrobenzofuran-5-yl)-6-methyl-2-phenylpyrimidin-5-yl)pentanoic acid | 1265397-80-5 | C24H24N2O3 |
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—— | 2-Ethynyl-6,7,8-trimethoxy-chroman | 141930-23-6 | C14H16O4 |
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—— | (4,5,6,7-tetramethyl-2,3-dihydro-1-benzofuran-2-yl) acetate | 74725-18-1 | C14H18O3 |
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