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 |
|---|---|---|---|
| —— | butyryl chloride-d7 | 1219805-71-6 | C4H7ClO |
| —— | undecafluoro-2,2-dimethylbutanoyl fluoride | 134600-57-0 | C6F12O |
| —— | Perfluorundecandioylfluorid | 24647-10-7 | C11F20O2 |
| —— | 2-methoxy-3-cyclohexenyl-1-carboxylic acid fluoride | 159415-28-8 | C8H11FO2 |
| —— | 2,2-(trimethylene)octanoyl chloride | 58148-20-2 | C11H19ClO |
| —— | isostearoyl N chloride | 409099-39-4 | C18H35ClO |
| —— | Brom-acetylfluorid | 430-70-6 | C2H2BrFO |
| —— | 2-chlorocarbonyl-4-methyl-1-pentene | 85466-83-7 | C7H11ClO |
| —— | 2,3-Dimethyl-1-cyclopenten-3-carbonsaeurechlorid | 84884-02-6 | C8H11ClO |
| —— | 2-(2,2-difluorocyclopropyl)acetyl chloride | 123131-66-8 | C5H5ClF2O |
| —— | (S,S)-cyclohexane-1,3-dicarbonyl dichloride | 1610732-23-4 | C8H10Cl2O2 |
| —— | 4,4,5,5,6,6,6-heptafluoro-hexanoyl chloride | 1479-06-7 | C6H4ClF7O |
| —— | (<i>S</i>)-3-methyl-hexanoyl chloride | 64687-38-3 | C7H13ClO |
| —— | Propiolylfluorid | 666-13-7 | C3HFO |
| —— | 3-cyclohexylidenepropanoyl chloride | 1257510-66-9 | C9H13ClO |
| —— | β-Methyldichlorsilyl-propionylchlorid | 18797-20-1 | C4H7Cl3OSi |
| —— | 4,5,5-trichloro-pent-4-enoyl chloride | 408526-45-4 | C5H4Cl4O |
| —— | 2,2-Difluoro-pent-4-enoyl fluoride | 113991-43-8 | C5H5F3O |
| —— | (R)-2-bromopropionyl bromide | 103833-24-5 | C3H4Br2O |
| —— | 1,4,5,6,7,7-Hexachloro-bicyclo[2.2.1]hept-5-ene-2,3-dicarbonyl dichloride | 16673-09-9 | C9H2Cl8O2 |
| —— | 4-bromoperfluorobutyryl fluoride | 128126-24-9 | C4BrF7O |
| —— | 2-Methyl-3-trimethylsilanyl-propionyl chloride | 62808-56-4 | C7H15ClOSi |
| —— | Di(1-adamantyl)acetylchlorid | 88246-69-9 | C22H31ClO |
| —— | d<sub>3</sub>-pivaloylchloride | 1640993-17-4 | C5H9ClO |
| —— | Ethyltrifluormethylmalonylfluorid | 60001-88-9 | C6H5F5O2 |
| —— | α-Chlor-α-methyl-pentansaeurechlorid | 54468-32-5 | C6H10Cl2O |
| —— | (+)-2(S)-chloropropionyl fluoride | 87337-52-8 | C3H4ClFO |
| —— | 2(R)-chloropropionyl bromide | 154473-27-5 | C3H4BrClO |
| —— | α-pentyloxypropionyl chloride | 104632-02-2 | C8H15ClO2 |
| —— | 3,3-difluorohexanoyl chloride | 175286-60-9 | C6H9ClF2O |
| —— | (3S)-4-chloro-3-methylbutanoyl chloride | 123426-12-0 | C5H8Cl2O |
| —— | (trichlorogermyl)acetyl chloride | 86820-70-4 | C2H2Cl4GeO |
| —— | 2,2,3,3,4,4,5,5,6,6,7,7-Dodecafluoro-heptanoyl iodide | 137741-05-0 | C7HF12IO |
| —— | (S)-2,3,3-trimethylbutanoyl chloride | 87569-05-9 | C7H13ClO |
| —— | bicyclo[3.1.0]hexane-3-carbonyl chloride | 1093750-90-3 | C7H9ClO |
| —— | 6-bromo-5,5,6,6-tetrafluorohexanoyl chloride | 1091592-83-4 | C6H6BrClF4O |
| —— | Bicyclo[3.3.1]nonane-3-carbonyl chloride | 922497-06-1 | C10H15ClO |
| —— | 3-heptyloxy-propionyl chloride | 40256-42-6 | C10H19ClO2 |
| —— | Heptadec-16-enoyl chloride | 156573-72-7 | C17H31ClO |
| —— | 3-chloro-2-D-methylpropanoyl chloride | 80141-50-0 | C4H6Cl2O |
| —— | 14-(trimethylsilyl)tetradecanoyl chloride | 109636-06-8 | C17H35ClOSi |
| —— | 4,4,5,5,6,6,7,7,8,8,9,9 Dodecafluoro-1,12-dodecanedioyl-dichloride | 133024-25-6 | C12H8Cl2F12O2 |
| —— | 2-cyclohexene-1-carbonyl chloride | 52163-18-5 | C7H9ClO |
| —— | (S)-2-propoxypropanoyl chloride | 120675-25-4 | C6H11ClO2 |
| —— | α-Chlor-β-chlorsulfenylisobutyrylchlorid | 14274-18-1 | C4H5Cl3OS |
| —— | α,β-dichloro-β-(chlorosulfenyl)isobutyroyl chloride | 76368-78-0 | C4H4Cl4OS |
| —— | CF3(CF2)3(CH2CF2)CF2COF | 1010119-07-9 | C8H2F14O |
| —— | α(R)-methylcyclohexanepropionic acid chloride | 186900-66-3 | C10H17ClO |
| —— | (2E,4E,6E,8R,10S,12E,14R)-8,10,12,14-tetramethylhexadeca-2,4,6,12-tetraenoyl chloride | 778640-36-1 | C20H31ClO |
| —— | (<i>R</i>)-2-cyclohexyl-propionic acid-chloride | 116505-07-8 | C9H15ClO |