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-Ethoxy-2-cyclopentylcarbonyl-bicyclo<2.2.1>hepten-(5) | 56531-54-5 | C15H22O2 |
| —— | tetrafluoro-3-(heptadecafluoro-octyloxy)-propionyl fluoride | 307-84-6 | C11F22O2 |
| —— | 4-Chloro-2,2-dimethyl-3-oxopentanoyl chloride | 30274-04-5 | C7H10Cl2O2 |
| —— | fluorocarbonyldifluoromethyl-trifluoromethylsulfurtetrafluoride | 661-43-8 | C3F10OS |
| —— | 3-bromo-3-methyl-butyryl chloride | 67716-21-6 | C5H8BrClO |
| —— | 2-Methyl-bicyclo<2.2.2>oct-2-ylcarbonsaeurechlorid | 68671-83-0 | C10H15ClO |
| —— | non-8-ynoic acid chloride | 90675-38-0 | C9H13ClO |
| —— | 5-chloro-3,3-dimethyl-pent-4-enoic acid-chloride | 90617-71-3 | C7H10Cl2O |
| —— | 2,2,4,4,4-Pentafluoro-3,3-bis(trifluoromethyl)butanoyl fluoride | 1223032-53-8 | C6F12O |
| —— | (E)-2-Ethyl-4-methyl-pent-2-enoyl chloride | 760-57-6 | C8H13ClO |
| —— | 52778-72-0 | C11H11Cl5O | |
| —— | (all-trans)-4'-Pentylbicyclohexyl-4-carboxylic acid chloride | 68077-62-3 | C18H31ClO |
| —— | Propiolylchlorid-d | 56954-64-4 | C3HClO |
| —— | 11-mercaptoundecanoyl chloride | 54654-13-6 | C11H21ClOS |
| —— | 2-methoxy-3-methyl-crotonoyl chloride | 856183-00-1 | C6H9ClO2 |
| —— | 10-Chloro-2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,10,10-heptadecafluoro-9-trifluoromethyl-decanoyl fluoride | 1799-58-2 | C11ClF21O |
| —— | (S)-2-Heptyloxy-propionyl chloride | 131957-29-4 | C10H19ClO2 |
| —— | heptane-4,6-diynoic acid chloride | 902760-26-3 | C7H5ClO |
| —— | hexadecafluoro-decanedioyl dichloride | 1766-23-0 | C10Cl2F16O2 |
| —— | N-methyl-N-prop-2-ynylcarbamoyl chloride | 13916-61-5 | C5H6ClNO |
| —— | α,α'-dichloro-β,β'-dithiodiisobutyryl dichloride | 34880-24-5 | C8H10Cl4O2S2 |
| —— | Bicyclo[3.3.1]non-6-ene-3-acetyl chloride, endo- | 62881-94-1 | C11H15ClO |
| —— | isobutyryl-1-13C chloride | 71010-19-0 | C4H7ClO |
| —— | 2,2,9,9-tetramethyldecanedioyl dichloride | 101671-41-4 | C14H24Cl2O2 |
| —— | (<i>Z</i>)-5-fluoro-3-methyl-non-5-en-4-one | 63741-53-7 | C10H17FO |
| —— | fluorure d'acide thiodiacetique | 110230-26-7 | C4H4F2O2S |
| —— | 2,2-dichloro-3,3,3-trifluoro-propionyl chloride | 422-36-6 | C3Cl3F3O |
| —— | 3-fluoro-2,4,4-tris-trifluoromethyl-pentenedioyl difluoride | 7108-69-2 | C8F12O2 |
| —— | (E)-3-bromo-2-methyl-but-2-enoyl chloride | 66069-77-0 | C5H6BrClO |
| —— | Δ8,13-bicyclohomofarnezenic acid chloride | 1424348-18-4 | C16H25ClO |
| —— | 2-cyclopentylhexanoyl chloride | 7037-65-2 | C11H19ClO |
| —— | 2-Chlor-5-cyan-valeriansaeure-chlorid | 89466-72-8 | C6H7Cl2NO |
| —— | 4-Chloro-bicyclo[2.2.0]hexane-1-carbonyl chloride | 33415-06-4 | C7H8Cl2O |
| —— | 2-Brom-propionsaeurebromid-d(4) | 60153-91-5 | C3H4Br2O |
| —— | Brom-tert-butylmalonylchlorid | 78775-81-2 | C7H9BrCl2O2 |
| —— | 2,2,3,3,4,4-Hexafluoro-4-iodo-butyryl chloride | 64769-60-4 | C4ClF6IO |
| —— | [2-(2-{2-[2-(2-Chlorocarbonylmethoxy-ethoxy)-ethoxy]-ethoxy}-ethoxy)-ethoxy]-acetyl chloride | 608513-16-2 | C14H24Cl2O8 |
| —— | Monothiotriglykolsaeure-dichlorid | 31250-11-0 | C6H8Cl2O3S |
| —— | 1-Methoxybicyclo[2.2.2]octane-2-carbonyl chloride | 1010798-65-8 | C10H15ClO2 |
| —— | Chromium, tris(3-iodo-2,4-pentanedionato-I masculineO,I masculineOa(2))-, (OC-6-11)- | 15169-09-2 | C15H18CrI3O6 |
| —— | 7-fluoro-heptanoyl chloride | 821-56-7 | C7H12ClFO |
| —— | 2,2-dichloro-3,3,3-trifluoro-propionyl fluoride | 422-37-7 | C3Cl2F4O |
| —— | 2-Iodoctadecanoylchlorid | 65128-46-3 | C18H34ClIO |
| —— | 2-[1-(Chlorodifluoromethyl)-1,2,2,2-tetrafluoroethoxy]-2,2-difluoroacetyl fluoride | 1171032-08-8 | C5ClF9O2 |
| —— | 1,15-pentadecanoyl dichloride | 73205-99-9 | C15H26Cl2O2 |
| —— | 3-Trifluoromethyl-bicyclo[2.2.1]hept-5-ene-2-carboxylic acid | 434-68-4 | C9H9F3O2 |
| —— | 2,3,3-trichloro-2,3-difluoropropanoyl chloride | 20621-42-5 | C3Cl4F2O |
| —— | 2,2-Dimethyl-penta-3,4-dienoyl chloride | 93605-44-8 | C7H9ClO |
| —— | 1,3-Dichloro-but-3-en-2-one | 65968-56-1 | C4H4Cl2O |
| —— | (6,6-Dimethyl-2-methylencyclohexyl)acetyl-chlorid | 139137-86-3 | C11H17ClO |