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-(2-propenyloxy)butanoyl chloride | 922724-77-4 | C7H11ClO2 |
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—— | sorbyl chloride | 14763-75-8 | C6H7ClO |
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—— | (4-Pentylcyclohexyl)ethanoyl chloride | 162048-83-1 | C13H23ClO |
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—— | oxalyl chloride | 92314-65-3 | C2Cl2O2 |
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—— | trans,trans-2,4-tetradecadienoic acid chloride | 111076-77-8 | C14H23ClO |
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—— | (E)-4,4,4-trifluoro-3-methylbut-2-enoyl chloride | 1547-27-9 | C5H4ClF3O |
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—— | Perfluoro-5-oxa-6-heptenoic acid fluoride | 23276-05-3 | C6F10O2 |
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—— | 3,3-difluorocyclopentanecarbonyl chloride | 1191096-82-8 | C6H7ClF2O |
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—— | 200506-94-1 | C12H20Cl2O2 |
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—— | (S)-2-methyl-3-butenoyl chloride | 1241945-01-6 | C5H7ClO |
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—— | 3-(2,2,2-trichloroethoxy)propanoyl chloride | 857224-05-6 | C5H6Cl4O2 |
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—— | 3-Pentynoylchlorid | 17066-21-6 | C5H5ClO |
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—— | 4-bromobut-2-enoyl chloride | 51544-74-2 | C4H4BrClO |
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—— | 4-bromo-but-2-enoyl bromide | 951035-34-0 | C4H4Br2O |
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—— | 3,4-dibromobutanoyl chloride | 52411-89-9 | C4H5Br2ClO |
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—— | (-)(R)-3-methyl-hexane-carboxylic acid-(1)-chloride | 114182-69-3 | C8H15ClO |
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—— | 1α,2β,5α,6β-tricyclo[4.2.1.0<sup>2,5</sup>]nona-3,7-diene-3,4-dicarbonyl chloride | 869645-09-0 | C11H8Cl2O2 |
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—— | Diethyl(methyl)silylacetylchlorid | 71482-49-0 | C7H15ClOSi |
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—— | trimethylsilylacetyl chloride | 63877-23-6 | C5H11ClOSi |
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—— | Di-n-butyl(methyl)silylacetylchlorid | 71482-51-4 | C11H23ClOSi |
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—— | 2,5-dichlorovaleryl chloride | 52893-23-9 | C5H7Cl3O |
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—— | oleoyl fluoride | 1081517-35-2 | C18H33FO |
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—— | 3-pentylcyclobutanecarboxylic acid chloride | 114987-41-6 | C10H17ClO |
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—— | (2E)-4-methylpenta-2,4-dienoyl chloride | 66343-30-4 | C6H7ClO |
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—— | 6-iodohexanoyl chloride | 14500-34-6 | C6H10ClIO |
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—— | 4,4,4-tribromobutyric acid chloride | 71187-99-0 | C4H4Br3ClO |
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—— | 3,6-dimethyl-hepta-2,6-dienoyl chloride | 104923-38-8 | C9H13ClO |
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—— | oct-7-enoyl chloride | 101639-95-6 | C8H13ClO |
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—— | (1S,6S)-4,6-dimethylcyclohex-3-ene-1-carbonyl chloride | 1314795-31-7 | C9H13ClO |
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—— | 2-bromo-3-cyclopentyl-propionyl chloride | 1191455-56-7 | C8H12BrClO |
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—— | 2,3,4,4,4-pentachloro-butyryl chloride | 61897-73-2 | C4H2Cl6O |
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—— | 2-cyclobutylideneacetyl chloride | 1579958-47-6 | C6H7ClO |
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—— | [carbonyl-11C]cyclohexanecarbonyl chloride | 209123-08-0 | C7H11ClO |
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—— | Perfluoro-4-oxa-5-hexenoic acid fluoride | 35641-96-4 | C5F8O2 |
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—— | 4-butylcyclohexanecarbonyl chloride | 67679-84-9 | C11H19ClO |
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—— | 4-(4-n-butylcyclohexyl)methylcyclohexane carboxylic acid chloride | 104480-32-2 | C18H31ClO |
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—— | 3-Fluoro-2-(fluoromethyl)-2-methylpropanoyl fluoride | 96301-53-0 | C5H7F3O |
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—— | 2-bromo-valeryl bromide | 54888-12-9 | C5H8Br2O |
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—— | (2R,3S)-2-fluoro-3-methylpentanoic acid chloride | 133983-32-1 | C6H10ClFO |
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—— | 2,4,4-Tris-(trifluormethyl)-2,3-butadiencarbonsaeurefluorid | 13889-85-5 | C7F10O |
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—— | 2-bromo-3-methyl-valeryl chloride | 86382-33-4 | C6H10BrClO |
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—— | opt.inakt. 2-Methyl-cyclobutan-1-carbonsaeure-chlorid | 90150-79-1 | C6H9ClO |
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—— | 3-(chloro-ethyl-phosphinoyl)-propionyl chloride | 2071-63-8 | C5H9Cl2O2P |
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—— | 4-methoxy-4-methylcyclohexanecarbonyl chloride | 1037834-28-8 | C9H15ClO2 |
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—— | 6-octynoic acid chloride | 405159-94-6 | C8H11ClO |
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—— | 5-dodecyl-3-oxanonadecanoyl chloride | 264135-34-4 | C30H59ClO2 |
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—— | α-bromo-tert-butylacetyl chloride | 1221402-07-8 | C6H10BrClO |
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—— | (2,2,2-trifluoroethoxy)ethanoyl chloride | 113674-50-3 | C4H4ClF3O2 |
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—— | Nonadecan-1,19-disaeuredichlorid | 101678-99-3 | C19H34Cl2O2 |
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—— | trans-3-decenoic acid chloride | 124576-42-7 | C10H17ClO |
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