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 |
|---|---|---|---|
| —— | 3,3-Difluoro-3-(2-mercapto-ethoxy)-2-trifluoromethyl-propionyl fluoride | 41944-74-5 | C6H6F6O2S |
| —— | (E)-3-Cyano-3-fluoro-2-trifluoromethyl-acryloyl fluoride | 42106-19-4 | C5F5NO |
| —— | 5,6-Dichlor-perfluor-capronsaeure-fluorid | 812-50-0 | C6Cl2F10O |
| —— | 2,2,3,3,4,4-hexafluoro-4-((1,1,1,2,3,3-hexafluoro-3-((1,1,1,2,3-pentafluoro-3-oxopropan-2-yl)oxy)propan-2-yl)oxy)butanoyl fluoride | 69905-79-9 | C10F18O4 |
| —— | 3,3-Difluoro-5-methyl-2-trifluoromethyl-hex-5-enoyl fluoride | 42106-03-6 | C8H8F6O |
| —— | 2-Butyl-hex-4-ynoyl chloride | 51578-05-3 | C10H15ClO |
| —— | Perfluor-2,10-dimethyl-3,9-dioxa-undecan-dioyl-fluorid | 2599-85-1 | C11F20O4 |
| —— | 7,8-Dichlor-perfluor-caprylsaeure-fluorid | 812-56-6 | C8Cl2F14O |
| —— | Propiolylfluorid-d1 | 56496-94-7 | C3HFO |
| —— | 8-nonenoyl chloride | 102342-66-5 | C9H15ClO |
| —— | <3-Methyl-cyclohexyl>-acetylchlorid | 861551-17-9 | C9H15ClO |
| —— | 2-Trifluormethyl-3,3-difluoro-3-methoxy-propionylfluorid | 41874-95-7 | C5H4F6O2 |
| —— | 2,3,3,3-Tetrafluoro-2-(1,1,2,2-tetrafluoro-2-pentafluoroethyloxy-ethoxy)-propionyl fluoride | 39187-45-6 | C7F14O3 |
| —— | 4,4,4-trifluoro-3-(trifluoromethyl)but-2-enoyl chloride | 686-72-6 | C5HClF6O |
| —— | 7-bromoperfluoroheptanoyl fluoride | 128957-66-4 | C7BrF13O |
| —— | 2,3,3,3-tetrafluoro-2-(1,2,2,3,3,3-hexafluoro-1-trifluoromethyl-propoxy)-propionyl fluoride | 66754-41-4 | C7F14O2 |
| —— | 2,2,4-Trimethyl-4-pentenoic acid chloride | 608136-01-2 | C8H13ClO |
| —— | 4-Propyl-4-hepten-2-inoyl-chlorid | 35354-40-6 | C10H13ClO |
| —— | 2-(1,2,2,3,3,4,4,5,5,5-decafluoro-1-trifluoromethyl-pentyloxy)-2,3,3,3-tetrafluoro-propionyl fluoride | 66777-08-0 | C9F18O2 |
| —— | 12-(2-Chloroformylethoxy)-steaorylchlorid | 22128-79-6 | C21H38Cl2O3 |
| —— | 4-chloro-pent-3-enoyl chloride | 98025-24-2 | C5H6Cl2O |
| —— | 1,2-difluoromaleyl fluoride | 58599-68-1 | C4F4O2 |
| —— | Bis-(2-methylprop-2-enyl)-malonsaeuredichlorid | 52406-35-6 | C11H14Cl2O2 |
| —— | 2-Propyl-hex-4-ynoyl chloride | 51578-04-2 | C9H13ClO |
| —— | 3-cyanoperfluorobutyryl fluoride | 32347-36-7 | C5F7NO |
| —— | 3-ethyl-3-methyl-tridecanoyl chloride | 101434-53-1 | C16H31ClO |
| —— | isopropylidenemalonic acid chloride | 323577-42-0 | C6H6Cl2O2 |
| —— | 2-cycloheptylideneacetyl chloride | 100860-75-1 | C9H13ClO |
| —— | 1,2-difluorofumaryl fluoride | 58599-69-2 | C4F4O2 |
| —— | (trans-4-pentylcyclohexyl)acetyl chloride | 84361-28-4 | C13H23ClO |
| —— | 6-Methyl-2-oxohept-5-enoyl chloride | 84375-04-2 | C8H11ClO2 |
| —— | 2-Ethyl-undec-10-enoyl chloride | 82621-56-5 | C13H23ClO |
| —— | <9,10-3H>-Oleoylchlorid | 67803-62-7 | C18H33ClO |
| —— | trans-4-propylcyclohexyl acetyl chloride | 73899-61-3 | C11H19ClO |
| —— | 2-but-3-enoxyacetyl chloride | 1070998-06-9 | C6H9ClO2 |
| —— | 1334472-89-7 | C10H15ClO | |
| —— | (E)-8-Chloro-non-7-en-2-one | 60838-88-2 | C9H15ClO |
| —— | Perfluortetradecandioylfluorid | 24647-12-9 | C14F26O2 |
| —— | cyclohex-2-enyl-malonyl dichloride | 5243-79-8 | C9H10Cl2O2 |
| —— | 5-Chloro-4-ethyl-5-methyl-hex-2-ynoyl chloride | 128071-70-5 | C9H12Cl2O |
| —— | 3,5,7,7-Tetrachloro-2,2,3,4,4,5,6,6,7-nonafluoro-heptanoyl chloride | 60111-59-3 | C7Cl5F9O |
| —— | 2-ethyl-2-aminomethyl-butyryl chloride | 89796-41-8 | C7H14ClNO |
| —— | fluorure d'acide thio-3,3' dipropionique | 110230-27-8 | C6H8F2O2S |
| —— | (Z)-3-(2,2,3,3-Tetrafluoro-cyclobutyl)-acryloyl chloride | 51504-28-0 | C7H5ClF4O |
| —— | 82621-57-6 | C14H25ClO | |
| —— | 4-Cycloocten-1-yl-essigsaeurechlorid | 50585-14-3 | C10H15ClO |
| —— | Difluoro(1,1,2,2-tetrafluoroethoxy)acetyl fluoride | 89076-47-1 | C4HF7O2 |
| —— | 5-methyl-2-methylenehex-5-enoyl chloride | 1454769-87-9 | C8H11ClO |
| —— | 3,3',3'',3'''-stannanetetrayltetrapropionyl chloride | 17195-84-5 | C12H16Cl4O4Sn |
| —— | bromoacetyl-bromide-2-(13)C | 40897-87-8 | C2H2Br2O |