酰卤
酰卤是一类含有卤素原子(如氯、溴等)和羰基官能团的化合物,通式为R-CO-X,其中R代表一个烷基、芳基或其他烃基团,X表示卤素。这类化合物因其在有机合成中具有重要应用而受到广泛关注。
1. 物理性质 酰卤通常为无色液体或固体,在常温下较为稳定,但在较高温度时会发生水解反应生成相应的羧酸和卤化氢。例如,乙酰氯(CH3COCl)是无色易挥发的油状液体,而乙酸酐(CH3CO)2O则为有刺激性气味的无色透明液体。
2. 化学性质
水解反应:酰卤能够与水迅速反应生成相应的羧酸和卤化氢气体。例如: [ R-CO-X + H_2O → R-COOH + HX ]
亲核取代反应:这类化合物也是良好的离去基团,可以用于亲核取代反应,如傅-克酰基化反应等。 [ R'-OH + R-COCl → R'-COR + HCl ]
3. 应用 酰卤因其较高的活性和选择性,在有机合成中具有重要应用价值。它们常被用来作为中间体来引入羰基,进而用于合成各种重要的药物、农药、香料等化合物。
药物合成:由于其高反应性和稳定性,酰卤常用于制备特定结构的药物分子。
合成其他化学品:通过与多种亲核试剂发生反应,可以合成酯、酸酐等多种衍生物。
总的来说,酰卤是一类多功能且广泛应用的有机化合物,在有机化学领域占据着重要位置。
中文名称 | 英文名称 | CAS号 | 化学式 | 结构式图片 |
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—— | 4,4,4-Trifluoro-2-(trifluoromethyl)butanoyl fluoride;hydrofluoride | —— | C5H4F8O |
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—— | 4,4,4-Trifluoro-2-(trifluoromethyl)butanoyl fluoride | —— | C5H3F7O |
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—— | 2-Ethylidenepent-3-enoyl chloride | —— | C7H9ClO |
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—— | Cyclopentanecarbonyl chloride;hexane | —— | C12H23ClO |
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—— | Acetyl fluoride;difluoromethane;fluoroethane | —— | C5H10F4O |
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—— | 2-(4-Ethylcyclohepta-1,4,6-trien-1-yl)acetyl chloride | —— | C11H13ClO |
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—— | 5,6,10-Trichlorodecanoyl chloride | —— | C10H16Cl4O |
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—— | (2-Fluoro-2-oxoethyl)-methylphosphinic acid | —— | C3H6FO3P |
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—— | 9-Amino-2-prop-1-enylnona-2,4,6-trienoyl chloride | —— | C12H16ClNO |
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—— | 2-bromoacetyl chloride;N,N-dimethylsulfamoyl chloride | —— | C4H8BrCl2NO3S |
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—— | 2,2,3,4,4,5,5,6,6,7,7-Undecafluoroheptanoyl fluoride | —— | C7H2F12O |
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—— | 2-Fluoroethyl hypofluorite;tetrafluoromethane;3,3,3-trifluoropropanoyl fluoride | —— | C6H6F10O2 |
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—— | 2,3,3,3-Tetrafluoro-2-(2-fluoroethoxy)propanoyl fluoride;tetrafluoromethane | —— | C6H4F10O2 |
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—— | 5-Bromopent-2-enoyl chloride | —— | C5H6BrClO |
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—— | 6,6,6-Trifluoro-2,5-dimethylhexa-2,4-dienoyl chloride | —— | C8H8ClF3O |
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—— | 2-(2-Chloroethyl)-4-methylpentanoyl chloride | —— | C8H14Cl2O |
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—— | (7R)-7-(2-trimethylsilylethoxymethoxy)nona-3,8-dienoyl chloride | —— | C15H27ClO3Si |
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—— | 2-Ethenyl-5-methylhepta-2,4,6-trienoyl chloride | —— | C10H11ClO |
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—— | Cyclopenta-3,5-diene-1,3-dicarbonyl chloride;ethane | —— | C9H10Cl2O2 |
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—— | Propane;2,3,3,3-tetrafluoro-2-(1,1,2-trifluoroethoxy)propanoyl fluoride | —— | C8H10F8O2 |
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—— | (2R)-2-[(2-methylpropan-2-yl)oxy]cyclopentane-1-carbonyl fluoride | —— | C10H17FO2 |
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—— | Difluoromethane;fluoroethane;2,3,3,3-tetrafluoro-2-(1,1,2,2,2-pentafluoroethoxy)propanoyl chloride | —— | C9H9ClF14O2 |
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—— | Nona-2,6-dienoyl chloride | —— | C9H13ClO |
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—— | 2-bromoacetyl chloride;N-ethylethanamine | —— | C6H13BrClNO |
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—— | Acetaldehyde;ethynoxyethyne;prop-2-ynoyl fluoride | —— | C9H7FO3 |
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—— | 4-ethoxybut-2-enoyl chloride | —— | C6H9ClO2 |
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—— | 3-[1-(2-Methoxyethoxy)propoxy]pentanedioyl dichloride | —— | C11H18Cl2O5 |
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—— | 2-Pentan-2-ylbicyclo[2.2.2]octane-1-carbonyl chloride | —— | C14H23ClO |
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—— | 2-Methoxy-2-methylpropanoyl fluoride | —— | C5H9FO2 |
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—— | (E)-2-ethenylbut-2-enoyl chloride | —— | C6H7ClO |
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—— | 4-Ethylcycloheptane-1-carbonyl chloride | —— | C10H17ClO |
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—— | 2-Methylidenetridecanoyl chloride | —— | C14H25ClO |
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—— | 8-Nonylsulfanyloctanoyl fluoride | —— | C17H33FOS |
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—— | 5-Fluoro-2-methylidenehexa-3,5-dienoyl chloride | —— | C7H6ClFO |
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—— | 4,5-Dichloro-2-methylpentanoyl chloride | —— | C6H9Cl3O |
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—— | acetyl chloride | —— | C6H9Cl3O3 |
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—— | 2-Cyclohexylacetyl chloride;ethane | —— | C10H19ClO |
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—— | Icos-2-enoyl chloride | —— | C20H37ClO |
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—— | 8-Methylbicyclo[4.3.1]dec-6-ene-1,4,8-tricarbonyl chloride | —— | C14H15Cl3O3 |
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—— | 2,2,3,4,4,5,5,6,6,7,7,8,8,9,9-Pentadecafluorononanoyl fluoride | —— | C9H2F16O |
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—— | 2,2,4,4,5,9,9-Heptamethyldec-6-enoyl chloride | —— | C17H31ClO |
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—— | 2-Methylbut-2-enoyl iodide | —— | C5H7IO |
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—— | Hexanedioyl dichloride;3-(propylamino)propanenitrile | —— | C12H20Cl2N2O2 |
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—— | Acetyl chloride;ethane;ethene | —— | C6H13ClO |
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—— | 8-Bromooctanoyl bromide | —— | C8H14Br2O |
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—— | Perfluoro(2-methyl-3-oxahexanoyl) bromide | —— | C6BrF11O2 |
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—— | 2,2,3,3-tetrafluoropropanoyl Bromide | —— | C3HBrF4O |
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—— | Heptadecafluorononanoyl bromide | 261503-42-8 | C9BrF17O |
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—— | 2,3,3,3-Tetrafluoro-2-[1,1,2,3,3,3-hexafluoro-2-[1,1,2,3,3,3-hexafluoro-2-[1,1,2,2-tetrafluoro-2-[1,1,1,2,3,3-hexafluoro-3-(1,1,1,2,3-pentafluoro-3-oxopropan-2-yl)oxypropan-2-yl]oxyethoxy]propoxy]propoxy]propanoyl fluoride | —— | C17F32O7 |
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—— | Acetyl chloride;3,3,3-trifluoropropanoyl chloride | —— | C5H5Cl2F3O2 |
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