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 |
|---|---|---|---|
| —— | (2R)-2-[(R)-chloro-(5-ethylthiophen-2-yl)methyl]-2,3-dihydro-1-benzofuran | —— | C15H15ClOS |
| —— | (2S)-5-[(S)-bromo-(3-chlorophenyl)methyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C16H14BrClO |
| —— | (2S)-5-[(S)-bromo(cyclohexyl)methyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C16H21BrO |
| —— | (2S)-5-[(R)-bromo(cyclohexyl)methyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C16H21BrO |
| —— | (2R)-5-[(R)-bromo-(3-chlorophenyl)methyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C16H14BrClO |
| —— | (2R)-5-[(S)-bromo-(3-chlorophenyl)methyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C16H14BrClO |
| —— | (2R)-5-[(R)-bromo(cyclohexyl)methyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C16H21BrO |
| —— | (2S)-N-[(1S)-1-phenylethyl]-2,3-dihydro-1-benzofuran-2-carboxamide | —— | C17H17NO2 |
| —— | N-[(1R)-1-(3-chlorophenyl)ethyl]-2-[(2,2-dimethyl-3H-1-benzofuran-7-yl)oxy]acetamide | —— | C20H22ClNO3 |
| —— | (2R)-5-[(1S)-1-bromooctyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C17H25BrO |
| —— | (2S)-5-[(1S)-1-bromo-2-cyclopentylethyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C16H21BrO |
| —— | (2S)-5-[(1S,2S)-1-bromo-2-methylpentyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C15H21BrO |
| —— | (2R)-5-[(1R)-1-bromooctyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C17H25BrO |
| —— | (2S)-5-[(1S)-1-bromooctyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C17H25BrO |
| —— | (2S)-5-[(1R,2R)-1-bromo-2-methylpentyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C15H21BrO |
| —— | (2S)-5-[(1R,2S)-1-bromo-2-methylpentyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C15H21BrO |
| —— | (2S)-5-[(1S,2R)-1-bromo-2-methylpentyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C15H21BrO |
| —— | (2S)-5-[(1R)-1-bromooctyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C17H25BrO |
| —— | (2S)-5-[(1R)-1-bromo-2-cyclopentylethyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C16H21BrO |
| —— | (2R)-5-[(1R)-1-bromo-2-cyclopentylethyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C16H21BrO |
| —— | (2R)-5-[(1S)-1-bromo-2-cyclopentylethyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C16H21BrO |
| —— | (2R)-5-[(S)-bromo-(3-methylthiophen-2-yl)methyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C15H15BrOS |
| —— | (2R)-5-[(1S)-1-bromo-2-ethylbutyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C15H21BrO |
| —— | (2R)-5-[(R)-bromo-(3-methylthiophen-2-yl)methyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C15H15BrOS |
| —— | (2S)-5-[(R)-bromo-(3-methylthiophen-2-yl)methyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C15H15BrOS |
| —— | (2R)-5-[(1S)-1-chloro-3,3-dimethylbutyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C15H21ClO |
| —— | (2S)-5-[(1S)-1-chloro-3,3-dimethylbutyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C15H21ClO |
| —— | (2S)-5-[(S)-bromo-(3-methylthiophen-2-yl)methyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C15H15BrOS |
| —— | (2R)-5-[(1R)-1-chloro-3,3-dimethylbutyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C15H21ClO |
| —— | ethyl 5-[2-[(2,2-dimethyl-3H-1-benzofuran-7-yl)oxy]acetyl]-2,4-dimethyl-1H-pyrrole-3-carboxylate | —— | C21H25NO5 |
| —— | 2-[(2,2-dimethyl-3H-1-benzofuran-7-yl)oxy]-N-[(3R)-1,1-dioxothiolan-3-yl]acetamide | —— | C16H21NO5S |
| —— | (2S)-5-[(1R)-1-bromo-2-ethylbutyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C15H21BrO |
| —— | (2R)-5-[(1R)-1-bromo-2-ethylbutyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C15H21BrO |
| —— | (2S)-5-[(1R)-1-chloro-3,3-dimethylbutyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C15H21ClO |
| —— | (2S)-5-[(S)-chloro-(3-chlorophenyl)methyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C16H14Cl2O |
| —— | (2S)-5-[(R)-chloro-(3-chlorophenyl)methyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C16H14Cl2O |
| —— | (2R)-5-[(S)-chloro-(3-chlorophenyl)methyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C16H14Cl2O |
| —— | (2R)-5-[(R)-chloro-(3-chlorophenyl)methyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C16H14Cl2O |
| —— | (2R)-5-[(R)-bromo-(5-bromothiophen-2-yl)methyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C14H12Br2OS |
| —— | (2S)-5-[(S)-bromo-(5-bromothiophen-2-yl)methyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C14H12Br2OS |
| —— | (2R)-5-[(1R)-1-bromohexyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C15H21BrO |
| —— | (2R)-5-[(S)-chloro-(4-methylphenyl)methyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C17H17ClO |
| —— | (2R)-5-[(1S)-1-chloro-4-methylpentyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C15H21ClO |
| —— | 5-[(S)-bromo-(2-chloro-4-fluorophenyl)methyl]-2,3-dihydro-1-benzofuran | —— | C15H11BrClFO |
| —— | 5-[(R)-bromo-(2-chloro-4-fluorophenyl)methyl]-2,3-dihydro-1-benzofuran | —— | C15H11BrClFO |
| —— | 5-[(R)-bromo-(3,4-dichlorophenyl)methyl]-2,3-dihydro-1-benzofuran | —— | C15H11BrCl2O |
| —— | (2S)-5-[(1S)-1-bromohexyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C15H21BrO |
| —— | (2R)-5-[(1R)-1-chloro-4-methylpentyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C15H21ClO |
| —— | (2R)-5-[(S)-bromo-(5-bromothiophen-2-yl)methyl]-2-methyl-2,3-dihydro-1-benzofuran | —— | C14H12Br2OS |
| —— | 5-[(S)-chloro-(4-chlorophenyl)methyl]-2,3-dihydro-1-benzofuran | —— | C15H12Cl2O |