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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—— | 2-(pentafluorosulfanyl)acetic acid chloride | 2353-88-0 | C2H2ClF5OS |
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—— | 2-chloro-2-oxoethan-1-ide | 119567-72-5 | C2H2ClO |
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—— | (Z)-8-Methyl-non-6-enoyl chloride | 31467-61-5 | C10H17ClO |
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—— | octadecanedioyl dichloride | 45270-18-6 | C18H32Cl2O2 |
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—— | 1,20-eicosanedioyl dichloride | 101702-50-5 | C20H36Cl2O2 |
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—— | Docosan-disaeure-dichlorid | 16250-48-9 | C22H40Cl2O2 |
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—— | 1,16-hexadecanedioyl dichloride | 34959-19-8 | C16H28Cl2O2 |
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—— | 13-cyclopent-2-enyl-tridecanoyl chloride | 110459-18-2 | C18H31ClO |
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—— | 4-pentynoic chloride | 55183-44-3 | C5H5ClO |
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—— | 3-bromotetrafluoropropionylfluoride | 64053-16-3 | C3BrF5O |
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—— | 3,3,3-trifluoro-2-trifluoromethyl-propionyl fluoride | 382-22-9 | C4HF7O |
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—— | formyl fluoride | 1493-02-3 | CHFO |
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—— | α-methoxytetrafluoropropionyl fluoride | 85036-47-1 | C4H3F5O2 |
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—— | α-Hydrotetrafluorpropionylfluorid | 6065-84-5 | C3HF5O |
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—— | (R)-2-bromopropionyl chloride | 52152-04-2 | C3H4BrClO |
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—— | 2-methyl-2-(methylthio)propanoyl chloride | 27868-58-2 | C5H9ClOS |
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—— | 6H-Undecafluoro-hexansaeurefluorid | 57155-39-2 | C6HF11O |
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—— | 3-ethoxypropionyl chloride | 49775-37-3 | C5H9ClO2 |
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—— | 3,3-dicyclohexyl-propionyl chloride | 81311-66-2 | C15H25ClO |
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—— | 16-fluoropalmitoyl chloride | 299177-76-7 | C16H30ClFO |
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—— | 16-bromohexadecanoyl chloride | 73782-15-7 | C16H30BrClO |
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—— | 2-(cyclopent-2-en-1-yl)acetyl chloride | 933-03-9 | C7H9ClO |
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—— | octadeca-9,12-dienoyl chloride | 96724-05-9 | C18H31ClO |
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—— | tribromoacetyl bromide | 10588-31-5 | C2Br4O |
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—— | octadeca-9,12,15-trienoyl chloride | 112498-02-9 | C18H29ClO |
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—— | Perfluorodimethylmalonyl fluoride | 42139-57-1 | C5F8O2 |
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—— | 2,2-dimethyl-3,5,5,5-tetrafluoro-4-trifluoromethyl-3-pentenoic acid fluoroanhydride | 80553-07-7 | C8H6F8O |
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—— | 2,5-dibromoadipoyl dichloride | —— | C6H6Br2Cl2O2 |
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—— | 4.4.4-Trichlor-butyrylchlorid | 20101-81-9 | C4H4Cl4O |
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—— | 3-(2,6,6-Trimethyl-cyclohex-1-enyl)-propionyl chloride | 60713-94-2 | C12H19ClO |
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—— | 3-chlorobutanoyl chloride | 1951-11-7 | C4H6Cl2O |
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—— | ethoxy-chloro-acetyl chloride | 98019-95-5 | C4H6Cl2O2 |
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—— | bromo-chloro-acetyl chloride | 38282-29-0 | C2HBrCl2O |
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—— | Pentachlor-propionylchlorid | 812-25-9 | C3Cl6O |
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—— | 2,3-Dichlor-2-methyl-propionylchlorid | 41463-96-1 | C4H5Cl3O |
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—— | 3-Cyclobutyl-propionyl chloride | 71037-57-5 | C7H11ClO |
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—— | 4-Hexylcyclohexylcarbonsaeurechlorid | 73164-24-6 | C13H23ClO |
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—— | 3-Methyl-cyclobutan-1-carbonsaeure-chlorid | 90150-80-4 | C6H9ClO |
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—— | trans 2,4-pentadienoyl chloride | 52126-35-9 | C5H5ClO |
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—— | cyclohexene-1-acetyl chloride | 84189-13-9 | C8H11ClO |
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—— | 3-methyl-nonanoyl chloride | 57212-97-2 | C10H19ClO |
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—— | trifluoroacetyl bromide | 354-31-4 | C2BrF3O |
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—— | (Z)-6,9,12-octadecatrienoyl chloride | 54562-14-0 | C18H29ClO |
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—— | 3,3,3-trifluoro-2-chloropropionyl chloride | 431-54-9 | C3HCl2F3O |
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—— | 2-mercaptopropionyl chloride | 144122-68-9 | C3H5ClOS |
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—— | 4-bromocrotonyl chloride | 99083-25-7 | C4H4BrClO |
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—— | 2,3-dimethylnonanoyl chloride | 88663-35-8 | C11H21ClO |
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—— | 2-ethylnonanoyl chloride | 88663-38-1 | C11H21ClO |
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—— | oct-2-ynoyl chloride | 3910-42-7 | C8H11ClO |
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—— | 2-methylnonanoyl chloride | 88663-32-5 | C10H19ClO |
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