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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
—— 5-(5-chloro-2,3-dihydrobenzo[3,4-b]furan-6-yl)pyrazine-2-yl-amine 1345120-26-4 C12H10ClN3O
—— ethyl 2,3-dihydro-6-methoxy-7-methylbenzofuran-2-carboxylate 90246-74-5 C13H16O4
—— 2,3-dihydro-6-methoxy-7-methylbenzofuran-2-carboxylic acid 90246-75-6 C11H12O4
—— 2,3-dihydro-2,4-dimethyl-7-nitrobenzo<b>furan 100278-68-0 C10H11NO3
—— 4-methyl-2,3-dihydro-1-benzofuran 6017-82-9 C9H10O
—— (4aR,9bS)-1-[(4-bromophenyl)methyl]-7-(2-methoxyethoxymethoxy)-4a,9b-dihydro-[1]benzofuro[3,2-b]pyridin-2-one 1016896-55-1 C22H22BrNO5
—— methyl 2,3-dihydro-2-ethylbenzo[b]furan-2-carboximidate 1041187-02-3 C12H15NO2
—— 2-ethyl-3-fluoro-2,3-dihydro-benzo[b]furan-2-carboximidic acid methyl ester 1041187-12-5 C12H14FNO2
—— 3-ethenyl-2-methyl-2,3-dihydrobenzofuran 120608-35-7 C11H12O
—— chloro-oxo-acetic acid 2-oxo-3-phenyl-2,3-dihydro-benzofuran-5-yl ester 157462-53-8 C16H9ClO5
—— Ethyl cis-3-hydroxy-3-methyl-2,3-dihydro-2-benzofuryncarboxylate 137514-49-9 C12H14O4
—— Ethyl trans-3-hydroxy-3-methyl-2,3-dihydro-2-benzofuryncarboxylate 137514-49-9 C12H14O4
—— 3-(2,3-dihydro-2-methylbenzofuran-7-yl)-5-(N-methoxy-N-methylamino)-1,3,4-oxadiazolin-2(3H)-one 100282-74-4 C13H15N3O4
—— 3-(2,3-dihydro-2-methylbenzofuran-7-yl)-5-(methylamino)-1,3,4-oxadiazolin-2(3H)-one 100282-73-3 C12H13N3O3
—— N-(5,7-dichloro-2,3-dihydrobenzofuran-2-ylmethyl)-N-butylcarbamyl chloride 100782-71-6 C14H16Cl3NO2
—— 3-[Acetyl(cyclopropylmethyl)amino]-8-formyl-4-hydroxy-N-(2-hydroxyethyl)-6-methoxy-3,4,4a,9b-tetrahydrodibenzo[b,d]furan-1-carboxamide 6105-91-5 C23H28N2O7
—— 3-[(3-Cyclopentylpropanoyl){3-[(propan-2-yl)oxy]propyl}amino]-4-hydroxy-N-(2-hydroxyethyl)-8-(hydroxymethyl)-6-methoxy-3,4,4a,9b-tetrahydrodibenzo[b,d]furan-1-carboxamide 6108-36-7 C31H46N2O8
—— prop-2-enyl N-[(4-bromophenyl)methyl]-N-[(2S,3S)-2-formyl-6-(2-methoxyethoxymethoxy)-2,3-dihydro-1-benzofuran-3-yl]carbamate 957714-66-8 C24H26BrNO7
—— prop-2-enyl N-[(4-bromophenyl)methyl]-N-[(2S,3S)-2-[(1R)-1-hydroxybut-3-enyl]-6-(2-methoxyethoxymethoxy)-2,3-dihydro-1-benzofuran-3-yl]carbamate 958394-46-2 C27H32BrNO7
—— prop-2-enyl N-[(4-bromophenyl)methyl]-N-[(2S,3S)-2-[(1S)-1-hydroxybut-3-enyl]-6-(2-methoxyethoxymethoxy)-2,3-dihydro-1-benzofuran-3-yl]carbamate 958340-64-2 C27H32BrNO7
—— 2-(benzylsulfanyl)-5-(2,3-dihydro-1-benzofuran-5-yl)-1,3,4-oxadiazole 1005200-37-2 C17H14N2O2S
—— 5-(2,3-dihydro-1-benzofuran-5-yl)-1H-tetrazole 874804-33-8 C9H8N4O
—— 2-[(3-chloro-4-methoxybenzyl)sulfanyl]-5-(2,3-dihydro-1-benzofuran-5-yl)-1,3,4-oxadiazole 1005200-30-5 C18H15ClN2O3S
—— 2-(2,3-dihydro-1-benzofuran-5-yl)-5-[(3-fluorobenzyl)sulfanyl]-1,3,4-oxadiazole 1005200-21-4 C17H13FN2O2S
—— 2-(2,3-dihydro-1-benzofuran-5-yl)-5-[(4-methoxybenzyl)sulfanyl]-1,3,4-oxadiazole 1005200-24-7 C18H16N2O3S
—— 2-[(3-chlorobenzyl)sulfanyl]-5-(2,3-dihydro-1-benzofuran-5-yl)-1,3,4-oxadiazole 1005200-40-7 C17H13ClN2O2S
—— 5-({[5-(2,3-dihydro-1-benzofuran-5-yl)-1,3,4-oxadiazol-2-yl]sulfanyl}methyl)-2-methoxybenzonitrile 1005200-31-6 C19H15N3O3S
—— 2-[(2-chlorobenzyl)sulfanyl]-5-(2,3-dihydro-1-benzofuran-5-yl)-1,3,4-oxadiazole 1005200-22-5 C17H13ClN2O2S
—— 2-(2,3-dihydro-1-benzofuran-5-yl)-5-[(3-fluoro-4-methoxybenzyl)sulfanyl]-1,3,4-oxadiazole 1005200-29-2 C18H15FN2O3S
—— (3R,3aR,8aR)-2,2-dimethyl-3-(triisopropylsiloxy)-5-<(methylsulfinyl)acetyl>-2,3,3a,8a-tetrahydro-1,8-dioxacyclopent<a>inden-4-ol 163254-63-5 C24H38O6SSi
—— (3R,3aS,8aS)-2,2-dimethyl-3-(triisopropylsiloxy)-5-<(methylsulfinyl)acetyl>-2,3,3a,8a-tetrahydro-1,8-dioxacyclopent<a>inden-4-ol 163254-70-4 C24H38O6SSi
—— 6-acetoxy-2-methyl-2-(1-methylethenyl)-2,3-dihydrobenzofuran 873924-94-8 C14H16O3
—— 6-Amino-2,3-dihydro-5-methoxybenzofuran 156488-98-1 C9H11NO2
—— 4-Hydroxy-N-(2-hydroxyethyl)-3-[(3-methylbutanoyl)(3-methylbutyl)amino]-3,4,4a,9b-tetrahydrodibenzo[b,d]furan-1-carboxamide 6104-05-8 C25H36N2O5
—— 3,8-dichloro-(4br,9bc)-4b,9b-dihydrobenzo<b>benzo<4,5>furo<2,3-d>furan 124483-02-9 C14H8Cl2O2
—— (+)-2-[2-(4,5-Dihydro-1H-imidazol-2-yl)-1-(5-bromo-2, 3-dihydro-benzofuran-7-yl)-ethyl]-pyridine 425393-34-6 C18H18BrN3O
—— 3-[[(3aS,4R,8R,8aS)-5-[(3-cyanophenyl)methyl]-4,8-bis(2,3-dihydro-1-benzofuran-5-ylmethyl)-2,2-dimethyl-6-oxo-3a,4,8,8a-tetrahydro-[1,3]dioxolo[4,5-e][1,3]diazepin-7-yl]methyl]benzonitrile 1053251-31-2 C42H40N4O5
—— (1S)-2-(2,3-dihydro-1-benzofuran-5-yl)-1-[(4S,5S)-5-[(1S)-2-(2,3-dihydro-1-benzofuran-5-yl)-1-hydroxyethyl]-2,2-dimethyl-1,3-dioxolan-4-yl]ethanol 1053641-51-2 C25H30O6
—— 5-[(2R)-2-azido-2-[(4S,5S)-5-[(1R)-1-azido-2-(2,3-dihydro-1-benzofuran-5-yl)ethyl]-2,2-dimethyl-1,3-dioxolan-4-yl]ethyl]-2,3-dihydro-1-benzofuran 1053261-07-6 C25H28N6O4
—— (1R)-1-[(4S,5S)-5-[(1R)-1-amino-2-(2,3-dihydro-1-benzofuran-5-yl)ethyl]-2,2-dimethyl-1,3-dioxolan-4-yl]-2-(2,3-dihydro-1-benzofuran-5-yl)ethanamine 1053655-08-5 C25H32N2O4
—— (3aS,4R,8R,8aS)-5,7-bis[(3-aminophenyl)methyl]-4,8-bis(2,3-dihydro-1-benzofuran-5-ylmethyl)-2,2-dimethyl-3a,4,8,8a-tetrahydro-[1,3]dioxolo[4,5-e][1,3]diazepin-6-one 1053254-59-3 C40H44N4O5
—— 3-methyl-3-((5-propylthiophen-2-yl)methyl)-2,3-dihydrobenzofuran 1191913-89-9 C17H20OS
—— tert-butyl N-[4-[2,3-dihydro-1-benzofuran-5-carbonyl-[2-[[(2S)-1-methoxypropan-2-yl]amino]pyrimidin-4-yl]amino]butyl]carbamate 849751-67-3 C26H37N5O5
—— 2,3,5,6-tetrahydrobenzo[1,2-b;5,4-b']difuran 57052-75-2 C10H10O2
—— 5A,10b-diphenyl-5a,10b-dihydro-benzofuro[2,3-<i>b</i>]benzofuran-3,8-diol 19739-16-3 C26H18O4
—— 2,3-dihydro-2,2-dimethyl-7-hydroxy-benzofurane-5-sulfonic acid N-methyl-amide 1089210-11-6 C11H15NO4S
—— 7-acetoxy-2,3-dihydro-2,2-dimethyl-benzofuran-5-sulfonic acid 1089210-08-1 C12H14O6S
—— 5-Chloro-4-isocyanato-2,3-dihydro-1-benzofuran 1092069-46-9 C9H6ClNO2
—— 5-methyl-2-methylidene-3H-1-benzofuran-3-ol 1384475-82-4 C10H10O2
—— 5-Hydroxy-hexahydrodibenzofuran 58008-30-3 C12H14O2