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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—— | 3-cyclohexyl-acryloyl chloride | 52331-62-1 | C9H13ClO |
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—— | 2,2-Dimethyl-3-ethylcyclobutaneacetyl chloride | 58556-11-9 | C10H17ClO |
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—— | 4-ethoxy-butyryl chloride | 14077-66-8 | C6H11ClO2 |
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—— | 2-Bromo-4-ethoxybutanoyl chloride | 443688-49-1 | C6H10BrClO2 |
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—— | crotyl bromide | 55600-70-9 | C4H5BrO |
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—— | (4-methyl-cyclohexyl)-acetyl chloride | 84855-51-6 | C9H15ClO |
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—— | 4-Chlorobutanoyl iodide | 79929-40-1 | C4H6ClIO |
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—— | 2,2'-(2,2-Dimethylcyclobutane-1,3-diyl)diacetyl chloride | 193811-34-6 | C10H14Cl2O2 |
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—— | 3-Chloro-propionyl iodide | 79929-38-7 | C3H4ClIO |
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—— | 3,3-Dimethyl-heptanoyl chloride | 99222-84-1 | C9H17ClO |
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—— | (2E,4E)-dodeca-2,4-dienoyl chloride | 111076-78-9 | C12H19ClO |
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—— | 2,6-Dimethylpimeloyl chloride | 209912-36-7 | C9H14Cl2O2 |
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—— | versatic acid chloride | 60545-30-4 | C10H19ClO |
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—— | 2,2-dichloro-3-methylbutanoyl chloride | 117951-75-4 | C5H7Cl3O |
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—— | (S)-2-chlor-3,3-dimethylbutansaeurechlorid | 130014-15-2 | C6H10Cl2O |
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—— | 2-Pent-4-enyl-oct-7-enoyl chloride | 924651-57-0 | C13H21ClO |
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—— | 2-Pent-4-enyl-octanoyl chloride | 1027073-48-8 | C13H23ClO |
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—— | 5-bromo-2-chlorovaleryl chloride | 98021-68-2 | C5H7BrCl2O |
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—— | 1-decyl-1-cyclopentanecarbonyl chloride | 123611-40-5 | C16H29ClO |
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—— | (2E,4E)-5-cyclohexylpenta-2,4-dienoyl chloride | 175552-85-9 | C11H15ClO |
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—— | 2,2-dimethyladipoyl dichloride | 53961-25-4 | C8H12Cl2O2 |
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—— | α-iodobutyryl chloride | 54468-34-7 | C4H6ClIO |
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—— | hex-4-enoyl chloride | 58029-29-1 | C6H9ClO |
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—— | (2-{2-[2-(2-Chlorocarbonylmethoxy-ethoxy)-ethoxy]-ethoxy}-ethoxy)-acetyl chloride | 608513-15-1 | C12H20Cl2O7 |
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—— | Heptadecanedioyl dichloride | 101678-96-0 | C17H30Cl2O2 |
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—— | 9-chlorononanoic acid chloride | 36741-96-5 | C9H16Cl2O |
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—— | (R)-3-(methoxy)butanoyl chloride | 107265-86-1 | C5H9ClO2 |
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—— | 3,9-dithiaundecanedicarboxylic acid chloride | 87870-51-7 | C9H14Cl2O2S2 |
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—— | 4-(aminomethyl)cyclohexanecarboxylic acid, chloride | 78044-69-6 | C8H14ClNO |
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—— | 5-oxaoctanoyl chloride | 108345-46-6 | C7H13ClO2 |
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—— | 4-oxaoctanoyl chloride | 4244-62-6 | C7H13ClO2 |
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—— | 3-(methylsulfanyl)butyryl chloride | 344240-49-9 | C5H9ClOS |
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—— | 2,2,3,3-tetrafluoro-1(methyl)cyclobutanecarbonyl chloride | 895157-70-7 | C6H5ClF4O |
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—— | 4-cycloheptene-1-carboxyl chloride | 3454-74-8 | C8H11ClO |
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—— | trans-3-hexenoyl chloride | 54716-04-0 | C6H9ClO |
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—— | 2,2-Dimethyl-oenanthsaeure-chlorid | 15721-23-0 | C9H17ClO |
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—— | 2,2-dimethylundecanoyl chloride | 159102-22-4 | C13H25ClO |
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—— | (2S)-ethylhexanoyl chloride | 760-67-8 | C8H15ClO |
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—— | 2-ethylhexanoyl chloride | 760-67-8 | C8H15ClO |
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—— | 3-Trifluoromethylheptanoic acid chloride | 129781-71-1 | C8H12ClF3O |
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—— | 5-[Ethyl(difluoro)silyl]pentanoyl chloride | 89994-96-7 | C7H13ClF2OSi |
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—— | 2-(butylthio)propanoyl chloride | 153359-33-2 | C7H13ClOS |
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—— | tridecanedioyl dichloride | 35691-43-1 | C13H22Cl2O2 |
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—— | pent-4-ynoyl fluoride | 922496-01-3 | C5H5FO |
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—— | 2,4-dibromoglutaryl chloride | 29548-85-4 | C5H4Br2Cl2O2 |
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—— | Octanoyl iodide | 78209-74-2 | C8H15IO |
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—— | 3-Chloro-2,2-dimethyl-3-(methylsulfanyl)propanoyl chloride | 115363-83-2 | C6H10Cl2OS |
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—— | 2-(1,3-difluoropropan-2-yloxy)acetyl chloride | 1226890-73-8 | C5H7ClF2O2 |
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—— | 2-ethyl-dodecanoyl chloride | 77748-02-8 | C14H27ClO |
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—— | 2,2-propanoheptanoyl chloride | 58148-19-9 | C10H17ClO |
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