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 |
|---|---|---|---|
| —— | 3-chloropropionyl bromide | —— | C3H4BrClO |
| —— | 3,8-dichloroformylbicyclo[4,4,0]decane | —— | C12H16Cl2O2 |
| —— | gamma-aminobutyric acid iodide | —— | C4H8INO |
| —— | 1-methylcyclohexanoyl fluoride | —— | C8H13FO |
| —— | 2-bromohex-5-enoyl chloride | 1575589-09-1 | C6H8BrClO |
| —— | 4-chlorotetrahydrophthaloyl chloride | —— | C8H7Cl3O2 |
| —— | 2,2,5-trimethylhex-4-enoyl chloride | —— | C9H15ClO |
| —— | 5-chloropentanoyl fluoride | —— | C5H8ClFO |
| —— | [1-11C]butyryl chloride | —— | C4H7ClO |
| —— | 1,1-d2-Methacryloyl chloride | —— | C4H5ClO |
| —— | (4',6'-dimethylcyclohex-3'-ene-1'-yl)-carbonyl chloride | —— | C9H13ClO |
| —— | pent-2-ynoyl chloride | —— | C5H5ClO |
| —— | trans-2-ethyl-2-hexenoyl chloride | —— | C8H13ClO |
| —— | Acetylchlorid-Aluminiumchlorid-Komplex | —— | AlCl3*C2H3ClO |
| —— | dodeca-5,7-diynedioyl dichloride | —— | C12H12Cl2O2 |
| —— | α-bromo-tert-butylacetylbromide | —— | C6H10Br2O |
| —— | (2E)-3-cyclopentylacryloyl chloride | —— | C8H11ClO |
| —— | 2-(methylthio)hexafluoroisobutyryl chloride | —— | C5H3ClF6OS |
| —— | 14-bromotetradecanoyl chloride | —— | C14H26BrClO |
| —— | 2-[2-(3-Methoxyhexafluoropropoxy)hexafluoropropoxy]-tetrafluoropropionyl fluoride | —— | C10H3F17O4 |
| —— | 1-(14)C-perfluorooctanoyl fluoride | —— | C8F16O |
| —— | 2-cyclohexyl-2-methylpropanoyl chloride | —— | C10H17ClO |
| —— | (R)-2-n-hexyloxypropanoyl chloride | —— | C9H17ClO2 |
| —— | trans-4-cyanocyclohexanecarbonyl chloride | —— | C8H10ClNO |
| —— | 1-methyl-2-cyclohexene-1-carbonyl chloride | —— | C8H11ClO |
| —— | 3-pentenoyl chloride | 3350-75-2 | C5H7ClO |
| —— | 2,4-dimethyl-valeryl chloride | —— | C7H13ClO |
| —— | trans-4,5-Dimethyl-1,2-cyclohex-4-enedicarbonyl chloride | —— | C10H12Cl2O2 |
| —— | S-1-dodecyl-S'-(α,α'-dimethyl-α''acylchloride)trithiocarbonate | —— | C17H31ClOS3 |
| —— | 2,2,3-trifluoropropionyl fluoride | —— | C3H2F4O |
| —— | 5,5-dimethylhexanoyl chloride | —— | C8H15ClO |
| —— | tert-butylacetyl fluoride | —— | C6H11FO |
| —— | Brom-chlor-acetylbromid | —— | C2HBr2ClO |
| —— | 1-chlorocyclopropyl-2-chloro-2-ethan-1-one | —— | C5H6Cl2O |
| —— | 5-bromopentanoyl bromide | —— | C5H8Br2O |
| —— | gondoic acid chloride | —— | C20H37ClO |
| —— | arachidonic acid chloride | —— | C20H31ClO |
| —— | perfluoroundecanoic chloride | —— | C11ClF21O |
| —— | 2,3-dimethyl-1,4-succinyl chloride | —— | C6H8Cl2O2 |
| —— | 2-[(3-chloropropyl)sulfanyl]acetyl chloride | —— | C5H8Cl2OS |
| —— | 2-ethyl-4-methyl-valeryl chloride | —— | C8H15ClO |
| —— | 1,3,5-pentanetricarbonyl trichloride | —— | C8H9Cl3O3 |
| —— | dichloro-acetyl iodide | —— | C2HCl2IO |
| —— | cyclobutene-1-carbonyl chloride | —— | C5H5ClO |
| —— | 5,5,6,6,6-pentafluorohexanoyl chloride | —— | C6H6ClF5O |
| —— | 5,8,11,14,17-eicosapentaenoyl chloride | —— | C20H29ClO |
| —— | 3-mercaptopropionyl chloride | —— | C3H5ClOS |
| —— | tetradecanoyl fluoride | —— | C14H27FO |
| —— | (9Z,12Z)-hexadeca-9,12,15-trienyl chloride | —— | C16H25ClO |
| —— | pentafluorosulfanyldifluoroacetyl chloride | —— | C2ClF7OS |