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酚类

酚类是一大类化合物,它们主要特征是分子中含有一个羟基(-OH)直接连接在苯环上。这类化合物广泛存在于自然界中,并且具有重要的生物、医药及工业应用价值。

结构与分类

酚类化合物的基本结构为苯环上的氧原子与羟基相连。根据羟基的位置不同,可将酚分为单酚和多酚两大类:

  • 单酚:每个分子仅有一个酚羟基。
  • 多酚:含有两个或多个酚羟基的化合物。
生物学意义
  1. 天然来源:酚广泛存在于植物、动物以及微生物中,如咖啡因中的茶酚、儿茶素等。
  2. 抗氧化作用:许多酚类物质具有较强的抗氧化性,能够清除体内的自由基,保护细胞免受氧化损伤。
  3. 抗菌活性:部分酚类化合物展示出显著的抗菌效果,可用于食品保鲜或开发抗生素。
工业应用
  1. 农药和杀虫剂:利用某些酚类化合物对特定昆虫的选择性毒性进行害虫控制。
  2. 染料工业:许多天然及合成染料都基于酚结构设计而成。
  3. 医药领域:作为原料或药物成分,例如阿司匹林的核心成分水杨酸就属于苯酚衍生物。
工业生产

酚类可以通过多种途径制备:

  • 通过煤焦油蒸馏或石油裂解得到的粗酚进行精炼获得。
  • 以苯或其他芳烃为原料,在催化剂作用下与水反应生成苯酚,此过程称为菲林斯勒反应(Fischer–Strassmann反应)。
注意事项

尽管酚类化合物具有广泛的应用前景,但它们也可能带来毒性问题。例如强酸性的酚类物质会对皮肤造成刺激甚至腐蚀。因此在使用时需注意安全防护措施。

以上是对酚类的简单介绍,涵盖了其基本定义、生物学意义及工业应用等方面的内容。

中文名称 英文名称 CAS号 化学式
—— 2-(3'-methylbut-2'-enyl)-4-(3'-methylbut-2'-enyloxy)phenol 1052177-14-6 C16H22O2
—— 3-<14'-(3',5'-Dimethoxyphenyl)tetradec-1'-yl>-5-methoxyphenol 50637-22-4 C29H44O4
—— acetic acid-(5-ethyl-2-hydroxy-4-nitro-anilide) 860745-31-9 C10H12N2O4
—— N-1-14C-Acetyl-3,4-dimethoxy-5-hydroxyphenylethylamin 35688-55-2 C12H17NO4
—— 2,4-Dinitro-phenol; compound with 2-methoxy-phenylamine 39194-20-2 C6H4N2O5*C7H9NO
—— salicylaldehyde phenyldithiosemicarbazone 1192802-16-6 C22H20N6O2S2
—— 4-(4,6-di-pyridin-2-yl-[1,3,5]triazin-2-yl)-benzene-1,3-diol 38358-63-3 C19H13N5O2
—— 4-[(E)-(3,5-dimethyl-4-nitrophenyl)vinyl]-2,6-difluorophenol 1313376-41-8 C16H13F2NO3
—— Picric acid; compound with 1-ethyl-6-methyl-1H-benzoimidazole 26530-92-7 C6H3N3O7*C10H12N2
—— N-[5-(2-tert-Butylamino-1-hydroxy-ethyl)-2-hydroxy-benzyl]-acetamide; compound with acetic acid 23527-66-4 C2H4O2*C15H24N2O3
—— Resorcinol-dianion 23350-66-5 C6H4O2
—— 4-butyl-1-(4-hydroxy-phenyl)-2-phenyl-4-pyrrolidin-1-ylmethyl-pyrazolidine-3,5-dione 31118-99-7 C24H29N3O3
—— 2-Diethylamino-4-nitro-5-bromphenol 56024-94-3 C10H13BrN2O3
—— N-(t-butoxycarbonyl)-3-(4-hydroxyphenyl)-propylamine 191097-32-2 C14H21NO3
—— (±)-4-(3-hydroxyphenyl)-1-methyl-3,4-dihydropyrimidine-2(1H)-thione 1609637-82-2 C11H12N2OS
—— 8-hydroxy-2,3-dihydrothiazolo<3,2-a>pyridine-5(4H)-thione 93173-45-6 C7H7NOS2
—— 1,2,3,4,5,6,7,8-Octahydro-1-(4-hydroxybenzyl)-2,3-dimethyl-phthalazin 37833-73-1 C17H24N2O
—— 4,4'-(buta-1,3-diyn-1,4-diyl)bis(3-methylphenol) 15068-60-7 C18H14O2
—— 4-[4-cyclohexyloxy-6-(2-hydroxy-phenyl)-[1,3,5]triazin-2-yl]-benzene-1,3-diol 38358-89-3 C21H21N3O4
—— 1,2-Bis-<5-(3-hydroxyphenyl)-2,3-dihydro-1,3,4-thiadiazol-2-ylidenamino>-ethan 20319-93-1 C18H16N6O2S2
—— (2-Hydroxy-5-nitro-benzyl)-methyl-carbamic acid methyl ester 93883-03-5 C10H12N2O5
—— (4-Hydroxy-2-{N'-[1-(4-hydroxy-3-methoxy-phenyl)-meth-(E)-ylidene]-hydrazino}-thiazol-5-yl)-acetic acid 7309-99-1 C13H13N3O5S
—— Propane-2-sulfonic acid 5-(2-tert-butylamino-1-hydroxy-ethyl)-2-hydroxy-benzylamide 23527-55-1 C16H28N2O4S
—— N-1-14C-Acetyl-3-hydroxy-4-methoxyphenylethylamin 35688-54-1 C11H15NO3
—— 28416-50-4 C23H34IN2O2P
—— 1,2-Bis(aethoxycarbonyl)-3-(4-hydroxyphenyl)-1,2,3,6-tetrahydro-pyridazin 28858-16-4 C16H20N2O5
—— N-(4,5-dimethoxy-3-hydroxyphenethyl)-3-pyridylacetamide 158903-96-9 C17H20N2O4
—— 1-(4-Hydroxy-3-methylphenyl)-2-hexen 22184-05-0 C13H18O
—— 4-[4-(4-chloro-anilino)-6-phenyl-[1,3,5]triazin-2-yl]-benzene-1,3-diol 7296-11-9 C21H15ClN4O2
—— 4-[4-(4-chloro-anilino)-6-(4-chloro-phenyl)-[1,3,5]triazin-2-yl]-benzene-1,3-diol 7346-57-8 C21H14Cl2N4O2
—— 1609449-79-7 C13H19IO4
—— 4-[1-(1,1-dimethyl-2-o-tolyl-ethylamino)-1-hydroxy-ethyl]-3-methyl-benzene-1,2-diol hydrochloride 693263-36-4 C20H27NO3*ClH
—— Orcilaldehyde-4-(o-tolyl)thiosemicarbazone 19851-19-5 C16H17N3O2S
—— 2,4-Dinitro-phenol; compound with 4-methoxy-phenylamine 39194-15-5 C6H4N2O5*C7H9NO
—— (5-Bromo-3-{[2-(5-bromo-3-carboxymethyl-2-hydroxy-benzylamino)-ethylamino]-methyl}-2-hydroxy-phenyl)-acetic acid 22076-81-9 C20H22Br2N2O6
—— 3-(4-hydroxy-3-methylphenyl)-6-phenyl-7H-thiazolo[3,2-b][1,2,4]triazin-7-one 1258875-39-6 C18H13N3O2S
—— 3,5-Bis(2'-ethylhexyloxycarbonylmethyl-thiomethyl)-2,4-dimethyl-6-ethylphenol 115006-94-5 C32H54O5S2
—— 40166-83-4 C17H19NO4
—— 2-[(4-fluorophenylimino)methyl]-4,6-diiodophenol 310458-76-5 C13H8FI2NO
—— 4-(1-Dibutylamino-4-phenyl-butyl)-phenol 102891-29-2 C24H35NO
—— 2-[4-(4-hydroxy-3-methoxy-benzylidene)-3-methyl-5-oxo-4,5-dihydro-pyrazol-1-yl]-benzothiazole-6-sulfonic acid 27045-91-6 C19H15N3O6S2
—— 2-methyl-6-(4-thiophen-2-yl-3<i>H</i>-benzo[<i>b</i>][1,4]diazepin-2-yl)-phenol 60072-83-5 C20H16N2OS
—— 4-((4-chloro-2-hydroxyphenyl)diazenyl)-1-methyl-3-phenyl-1H-pyrazol-5(4H)-one 1448996-30-2 C16H13ClN4O2
—— 4-(4-anilino-6-methoxy-[1,3,5]triazin-2-yl)-benzene-1,3-diol 13556-46-2 C16H14N4O3
—— 3-(4-hydroxyphenyl)adamantane carboxylic acid hydrazide 126164-67-8 C17H22N2O2
—— 2-(5-Amino-[1,3,4]thiadiazol-2-yl)-3-methoxy-phenol 853567-38-1 C9H9N3O2S
—— 4-(7-Chloro-quinolin-4-ylamino)-2-diethylaminomethyl-naphthalen-1-ol; compound with picric acid 37796-64-8 C6H3N3O7*C24H24ClN3O
—— 2-[(4-bromophenyl)iminomethyl]-4,6-diiodophenol 415687-44-4 C13H8BrI2NO
—— [Hydroxy-(4-hydroxy-3-methoxy-phenyl)-methyl]-thiourea 26972-09-8 C9H12N2O3S
—— 2,3,4,5-Tetrachloro-6-(2,3,5-trichloro-6-hydroxy-phenylazo)-phenol 23032-45-3 C12H3Cl7N2O2