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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—— | (1S)-2-methylcyclohex-2-ene-1-carbonyl chloride | —— | C8H11ClO |
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—— | (1S,2R)-2-chlorocyclobutane-1-carbonyl chloride | —— | C5H6Cl2O |
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—— | (2S,3S)-3-propan-2-ylbicyclo[2.2.2]octane-2-carbonyl chloride | —— | C12H19ClO |
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—— | (1S,2S)-2-methylcyclohex-3-ene-1-carbonyl chloride | —— | C8H11ClO |
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—— | (1R,4S)-bicyclo[2.2.1]hept-2-ene-2-carbonyl chloride | —— | C8H9ClO |
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—— | (1R)-2-methylcyclohex-2-ene-1-carbonyl chloride | —— | C8H11ClO |
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—— | (1R,2S)-2-methylcyclohex-3-ene-1-carbonyl chloride | —— | C8H11ClO |
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—— | (1S)-1-methyl-2-methylidenecyclopentane-1-carbonyl chloride | —— | C8H11ClO |
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—— | (1R,4S)-bicyclo[2.2.1]hepta-2,5-diene-2-carbonyl chloride | —— | C8H7ClO |
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—— | (1S,4R)-bicyclo[2.2.2]octa-2,5-diene-2-carbonyl chloride | —— | C9H9ClO |
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—— | (1R,5S)-3-propan-2-ylbicyclo[3.2.1]octane-3-carbonyl chloride | —— | C12H19ClO |
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—— | (2R,3R)-3-Isopropyl-bicyclo[2.2.2]octane-2-carbonyl chloride | —— | C12H19ClO |
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—— | (1R)-1-methylcyclohex-2-ene-1-carbonyl chloride | —— | C8H11ClO |
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—— | (1R)-1,2-dimethylcyclopent-2-ene-1-carbonyl chloride | —— | C8H11ClO |
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—— | (1S)-1,3-dimethylcyclopent-2-ene-1-carbonyl chloride | —— | C8H11ClO |
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—— | (1S,4R)-bicyclo[2.2.1]hept-2-ene-2-carbonyl chloride | —— | C8H9ClO |
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—— | (1S,2S)-2,4-dimethylcyclopent-3-ene-1-carbonyl chloride | —— | C8H11ClO |
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—— | (1R)-2-methylcyclohexa-2,5-diene-1-carbonyl chloride | —— | C8H9ClO |
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—— | 2-n-butyl-2-cyclopropene-1-carbonyl chloride | —— | C8H11ClO |
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—— | (1S,2S)-2-chlorocyclobutane-1-carbonyl chloride | —— | C5H6Cl2O |
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—— | (1S,2R)-1,2-dimethylcyclohexane-1-carbonyl fluoride | —— | C9H15FO |
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—— | (1R,5R)-bicyclo[3.2.0]heptane-3-carbonyl chloride | —— | C8H11ClO |
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—— | (1S,4R)-bicyclo[2.2.1]hepta-2,5-diene-2-carbonyl chloride | —— | C8H7ClO |
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—— | (2S)-2,5,5-trimethylheptanoyl chloride | —— | C10H19ClO |
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—— | (2R)-2-bromopentanoyl chloride | —— | C5H8BrClO |
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—— | (6S)-6-methylcyclohexene-1-carbonyl chloride | —— | C8H11ClO |
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—— | (2S)-4,4,4-trifluoro-2-methylbutanoyl chloride | —— | C5H6ClF3O |
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—— | (2R)-4,4,4-trifluoro-2-methylbutanoyl chloride | —— | C5H6ClF3O |
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—— | (1S)-4-pentylcyclohex-3-ene-1-carbonyl chloride | —— | C12H19ClO |
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—— | (2S)-2,3,3,3-tetrafluoropropanoyl chloride | —— | C3HClF4O |
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—— | (1R)-4-pentylcyclohex-3-ene-1-carbonyl chloride | —— | C12H19ClO |
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—— | (2R)-2,4,4,4-tetrachlorobutanoyl chloride | —— | C4H3Cl5O |
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—— | 3-[(3-Carbonochloridoyl-1-adamantyl)-chlorophosphoryl]adamantane-1-carbonyl chloride | —— | C22H28Cl3O3P |
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—— | (6Z,9E,12Z)-octadeca-6,9,12-trienoyl chloride | —— | C18H29ClO |
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—— | (1S)-2,2,3,3-tetrafluoro-1-methylcyclobutane-1-carbonyl chloride | —— | C6H5ClF4O |
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—— | (2S)-2-bromobutanoyl chloride | —— | C4H6BrClO |
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—— | (1R)-3,4-dimethylcyclohex-3-ene-1-carbonyl chloride | —— | C9H13ClO |
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—— | (2R)-2-bromo-3-methylbutanoyl bromide | —— | C5H8Br2O |
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—— | (311C)propanoyl chloride | —— | C3H5ClO |
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—— | (2S)-2,4,4-trimethylpentanoyl chloride | —— | C8H15ClO |
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—— | (1S,2S,3R,4R)-2,3-dichlorobicyclo[2.1.1]hexane-5-carbonyl chloride | —— | C7H7Cl3O |
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—— | (1S,2R,3S,4R)-2,3-dichlorobicyclo[2.1.1]hexane-5-carbonyl chloride | —— | C7H7Cl3O |
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—— | (2S)-2-bromohexanoyl bromide | —— | C6H10Br2O |
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—— | (2R)-2,4-dibromobutanoyl chloride | —— | C4H5Br2ClO |
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—— | (2S)-2,3-dichloropropanoyl chloride | —— | C3H3Cl3O |
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—— | (2S)-2-bromo-3-methylbutanoyl bromide | —— | C5H8Br2O |
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—— | (1R)-2,2,3,3-tetrafluoro-1-methylcyclobutane-1-carbonyl chloride | —— | C6H5ClF4O |
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—— | (2S)-2,4-dibromobutanoyl chloride | —— | C4H5Br2ClO |
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—— | (2R)-2-bromohexanoyl bromide | —— | C6H10Br2O |
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—— | (2R)-2,3-dichloropropanoyl chloride | —— | C3H3Cl3O |
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