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 |
|---|---|---|---|
| —— | 3,4,5-Trichloro-2,2-dimethyl-chroman | 80055-61-4 | C11H11Cl3O |
| —— | 3,4-Dichlor-8-methoxy-2,2-dimethylchroman | 13217-78-2 | C12H14Cl2O2 |
| —— | (1R,4aR,9bS)-1-methoxy-8,9b-dimethyl-1,2,4,4a-tetrahydrodibenzofuran-3-one | 13082-20-7 | C15H18O3 |
| —— | 1-Oxo-6-methoxy-9b-<2-dimethyl-aminoethyl>-1,2,3,4,4a,9b-hexahydro-dibenzofuran | 95315-43-8 | C18H25NO3 |
| —— | ethyl 7-[5-benzyloxy-2,3-dihydro-2,2,4,6-tetramethylbenzo[b]furan-7-yl]-5-hydroxy-3-oxoheptanoate | 137418-51-0 | C28H36O6 |
| —— | ethyl 7-[5-benzyloxy-6-(t-butyl)-2,3-dihydro-2,2,4-trimethylbenzo[b]furan-7-yl]-5-hydroxy-3-oxoheptanoate | 137443-71-1 | C31H42O6 |
| —— | methyl 4-[(1R,2R,3aS,8bS)-2-hydroxy-1-prop-2-enyl-2,3,3a,8b-tetrahydro-1H-cyclopenta[b][1]benzofuran-5-yl]butanoate | 1427500-21-7 | C19H24O4 |
| —— | 7-(3,4,α-trihydroxy-benzyl)-2,3-dihydro-benzofuran-4,6-diol | 6369-51-3 | C15H14O6 |
| —— | 2H-1,4-benzoxazine, 4-[[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]methyl]-3,4-dihydro-3-[3-(1,1,2,2-tetrafluoroethoxy)phenyl]-8-[3-(trifluoromethoxy)phenyl]-, (3S)- | 956831-81-5 | C29H26F7NO5 |
| —— | Acetic acid 6'-fluoro-1-methyl-spiro[piperidine-4,9'-xanthen]-4'-yl ester; hydrochloride | 57317-55-2 | C20H20FNO3*ClH |
| —— | 1-(8-Methoxy-1,3,4,9b-tetrahydro-2H-dibenzofuran-4a-yl)-piperidine | 16573-13-0 | C18H25NO2 |
| —— | 1-(2,3-Dihydro-1-benzofuran-6-yl)propan-1-amine | 473732-63-7 | C11H15NO |
| —— | 1'-methylspiro<benzofuran-3(2H),4'(1'H)-pyridine>-2-carboxylic acid ethyl ester | 81115-39-1 | C16H17NO3 |
| —— | 1-methyl-3a-methyl-2,3,3a,9b-tetrahydropyrrolo<2,3-d>benzo<b>pyran | 131471-14-2 | C13H17NO |
| —— | (Z)-2-(2'-(t-butyldimethylsilyloxy)-2'-methoxyethenyl)-5,6,7,8-tetrachloro-3,3-dimethyl-2,3-dihydro-1,4-benzodioxin | 287193-92-4 | C19H26Cl4O4Si |
| —— | 2-(ethoxymethyl)-5-(oxiran-2-ylmethoxy)-2,3-dihydrobenzofuran | 1450913-95-7 | C14H18O4 |
| —— | methyl c-3-hydroxy-3-methyl-6-nitro-2,3-dihydro-r-2-benzofurancarboxylate | 142143-66-6 | C11H11NO6 |
| —— | 4b,9b-dihydro-4b,9b-dimethylbenzofuro<3,2-b>benzofuran | 66406-40-4 | C16H14O2 |
| —— | 1173178-85-2 | C15H18O3 | |
| —— | 2,3-Dihydrobenzofuran-2-carbonsaeure-N,N-bis(β-chloraethyl)amid | 31144-20-4 | C13H15Cl2NO2 |
| —— | 2,3-dihydro-2,2-dimethyl-7-hydroxy-benzofuran-5-sulfonic acid N-(3,4-dichloro-phenyl)-amide | 1089210-17-2 | C16H15Cl2NO4S |
| —— | trans-3-bromo-4-methoxychroman | 1909287-32-6 | C10H11BrO2 |
| —— | 6-t-butyl-5-hydroxy-2,2,4-trimethyl-2,3-dihydrobenzofuran | 216313-88-1 | C15H22O2 |
| —— | 5-acetoxy-6-t-butyl-2,2,4-trimethyl-2,3-dihydrobenzofuran | 216314-28-2 | C17H24O3 |
| —— | <i>ent</i>-3β-acetoxy-7-diethoxyphosphoryloxy-6-methoxy-10-methyl-galantham-1-ene-11α-carbonitrile | 65718-80-1 | C24H31N2O8P |
| —— | ethyl 7-[5-benzyloxy-2,3-dihydro-2,2-dimethyl-4,6-di(2-propyl)benzo[b]furan-7-yl]-5-hydroxy-3-oxoheptanoate | 137443-59-5 | C32H44O6 |
| —— | 2,5-dimethyl-2-(4-methylphenoxymethyl)coumaran | 113964-48-0 | C18H20O2 |
| —— | (S)-allyl(2-(6-methoxy-2,3-dihydrobenzofuran-3-yl)ethyl)dimethylsilane | 1571984-71-8 | C16H24O2Si |
| —— | WB 4172 | 26244-34-8 | C18H21NO3 |
| —— | 2-Iodmethyl-7-methyl-5-propyl-benzodihydrofuran | 5831-69-6 | C13H17IO |
| —— | (R)-2-((2S,3R,4S)-2-(furan-2-yl)-3-nitrochroman-4-yl)cyclohexanone | 1384100-40-6 | C19H19NO5 |
| —— | 3,8,10b-tribromo-5aH-[1]benzofuro[2,3-b][1]benzofuran | 1373132-02-5 | C14H7Br3O2 |
| —— | 3,3-Dimethyl-5-hydroxy-6-tert.-butyl-cumaran | 4144-81-4 | C14H20O2 |
| —— | 8-Bromo-3,3-dimethyl-5-(2-pyridyl)-2,3,4,5-tetrahydro-1-benzoxepin-5-ol | 157986-34-0 | C17H18BrNO2 |
| —— | 5,7-dichloro-3,3-dimethyl-2,3-dihydrobenzofuran-4-ol | 1597548-39-4 | C10H10Cl2O2 |
| —— | dl-5-hydroxy-3-(3-hydroxypropyl)-2,2-dimethyl-7-(5-phenyl-2-pentyloxy)-3,4-dihydro-2H-benzopyran | 88464-22-6 | C25H34O4 |
| —— | dihydroxy-4α,6 N,N-dimethylcarboxamidomethyl-9bβ tetrahyro-1,4,4a,9b dibenzofuranne | 117570-24-8 | C16H19NO4 |
| —— | 5-(7-chloro-2,3-dihydro-2,2,4,5-tetramethylbenzofuran-6-yl)-3-hydroxycyclohex-2-en-1-one | 157189-08-7 | C18H21ClO3 |
| —— | (2S,3S)-4-Ethyl-2-((Z)-pent-2-en-4-ynyl)-2,3-dihydro-benzofuran-3-ol | 83934-86-5 | C15H16O2 |
| —— | 6-(t-butyl)-2,3-dihydro-5-hydroxy-7-(2-propenyl)-2,2,4-trimethylbenzo[b]furan | 137443-67-5 | C18H26O2 |
| —— | (-)-2-{N-methyl-N-[4-(2-thienylcarbonylamino)butyl]}aminomethyl-2,3-dihydrobenzo[b]furan | 260433-25-8 | C19H24N2O2S |
| —— | 5-bromo-8-methoxy-2-methyl-3-nitro-2<i>H</i>-chromene | 64591-86-2 | C11H10BrNO4 |
| —— | 5-methyl-4-(1-phenylvinyl)-2,3-dihydrobenzofuran | 1582778-85-5 | C17H16O |
| —— | 9,9'2,2'-tetranitro-[1,1](4,7)[5a,10b]dihydrobenzofuro[2,3-b]benzofuranophane | 1313710-16-5 | C30H16N4O12 |
| —— | 1093087-29-6 | C16H22BrNO3*ClH | |
| —— | 2-Cyclohexyl-6-methyl-cumaran | 782-19-4 | C15H20O |
| —— | 5-Chlor-3-dimethylamino-cumaran | 669-65-8 | C10H12ClNO |
| —— | 4-[2-(3,5-Dichloro-4-pyridyl)ethyl]-7-methoxy-2,2-dimethyl-2,3-dihydrobenzofuran | 185400-52-6 | C18H19Cl2NO2 |
| —— | 5-(2,3-dihydro-2,2,4,5,6-pentamethylbenzofuran-7-yl)cyclohexane-1,3-dione | 157189-12-3 | C19H24O3 |
| —— | 2,2-Dimethyl-3-acetoxy-5,7-dimethoxychroman | 21497-29-0 | C15H20O5 |