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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—— | 1,3-Dimethyl-cyclopent-2-enecarbonyl chloride | 84884-05-9 | C8H11ClO |
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—— | (2,2-Dichloro-1,1,2-trifluoroethoxy)(difluoro)acetyl fluoride | 83865-23-0 | C4Cl2F6O2 |
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—— | ethylcyclohexylcarbonyl chloride | 1029128-58-2 | C9H15ClO |
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—— | fumaryl fluoride | 24647-23-2 | C4H2F2O2 |
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—— | α-bromoacrylic acid chloride | 41965-71-3 | C3H2BrClO |
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—— | 2,6-dibromocaproic acid bromide | 142644-09-5 | C6H9Br3O |
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—— | β-(triethylgermyl)propionyl chloride | 18478-22-3 | C9H19ClGeO |
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—— | Dibromohydrocrotonic acid chloride | 51356-48-0 | C4H5Br2ClO |
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—— | β-bromobutyryl chloride | 67262-84-4 | C4H6BrClO |
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—— | 2-propyl-pent-2-enoyl chloride | 33786-48-0 | C8H13ClO |
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—— | acetylenedicarboxylic acid dichloride | 81378-06-5 | C4Cl2O2 |
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—— | methyl succinyl chloride | 44806-45-3 | C5H6Cl2O2 |
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—— | 2,5-dibromovaleryl bromide | 89180-84-7 | C5H7Br3O |
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—— | (1R,2R,3S,4S)-3-Methyl-bicyclo[2.2.1]hept-5-ene-2-carbonyl chloride | —— | C9H11ClO |
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—— | (1R,2R)-cyclohexane-1,2-dicarboxylic acid chloride | 33209-25-5 | C8H10Cl2O2 |
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—— | trans-cyclobutane-1,2-dicarbonyl dichloride | 3668-43-7 | C6H6Cl2O2 |
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—— | (2R)-Methylbernsteinsaeure-dichlorid | 44806-45-3 | C5H6Cl2O2 |
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—— | ethylmethylmalonyl chloride | 5659-96-1 | C6H8Cl2O2 |
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—— | Cyclopropyl-propynoyl chloride | 268542-56-9 | C6H5ClO |
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—— | 1,2,2-trimethyl-cyclopentane-1,3-dicarbonyl chloride | 48138-74-5 | C10H14Cl2O2 |
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—— | β-triethylsilylpropionic acid chloride | 17873-90-4 | C9H19ClOSi |
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—— | 11-cyanoundecanoyl chloride | 35042-91-2 | C12H20ClNO |
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—— | <1-13C>propionyl chloride | 145936-97-6 | C3H5ClO |
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—— | 4-methyl-3-(isopropyl)-pent-2-enoic acid chloride | 106329-08-2 | C9H15ClO |
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—— | 1-diamantanecarboxylic acid chloride | 59078-38-5 | C15H19ClO |
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—— | pentadecafluoro-1-adamantanecarbonyl fluoride | 82829-42-3 | C11F16O |
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—— | 2-Chlor-3,3,3-trifluor-2-trifluormethylpropionsaeurechlorid | 662-19-1 | C4Cl2F6O |
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—— | propanoyl iodide | 598-40-3 | C3H5IO |
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—— | fluorure d'acide glutarique | 13022-55-4 | C5H6F2O2 |
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—— | Octadec-10-enoyl chloride | 63029-02-7 | C18H33ClO |
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—— | 2-bromo-3-methoxybutyric acid chloride | 67819-24-3 | C5H8BrClO2 |
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—— | Bicyclo<2.2.2>octan-1-carbonsaeurechlorid | 21891-38-3 | C9H13ClO |
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—— | tigloyl chloride | 49651-33-4 | C5H7ClO |
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—— | 17-bromoheptadecanoyl chloride | 59446-48-9 | C17H32BrClO |
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—— | 15-bromopentadecanoyl chloride | 61658-01-3 | C15H28BrClO |
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—— | butylthioacetyl chloride | 7031-22-3 | C6H11ClOS |
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—— | 3-(chloro-methyl-phosphinoyl)-butyryl chloride | 23270-34-0 | C5H9Cl2O2P |
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—— | 2-bromo-4-chloro butyryl bromide | 1719-99-9 | C4H5Br2ClO |
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—— | 2-ethylhexanoyl fluoride | 156150-09-3 | C8H15FO |
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—— | (3R)-Dihydrocitronellic acid chloride | 121523-14-6 | C10H19ClO |
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—— | 4-bromo-2-methyl-butyryl bromide | 125475-47-0 | C5H8Br2O |
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—— | (Z)-hex-3-enoyl chloride | 97253-82-2 | C6H9ClO |
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—— | 3-Cyanomethylcyclobutanecarbonylchloride | 206445-60-5 | C7H8ClNO |
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—— | dibromomalonyl dichloride | 74539-43-8 | C3Br2Cl2O2 |
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—— | Dibrom-acetylfluorid | 359-20-6 | C2HBr2FO |
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—— | (R)-2-n-Hexyloxypropanoyl chloride | 134925-02-3 | C9H17ClO2 |
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—— | 3-methylbut-2-enoyl bromide | 10606-43-6 | C5H7BrO |
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—— | crotonyl bromide | 55600-70-9 | C4H5BrO |
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—— | Dichlormalonylchlorid | 18342-54-6 | C3Cl4O2 |
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—— | 2,2-diethylpentanoyl chloride | 13023-65-9 | C9H17ClO |
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