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酰卤

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。

相关化合物

中文名称 英文名称 CAS号 化学式 结构式图片
—— 2-Chlorhexanoyldichlorid 42875-53-6 C6H7Cl3O2
2-Chlorhexanoyldichlorid
—— (Methyl-1'-cyclohexyl)-2-essigsaeurechlorid 70079-84-4 C9H15ClO
(Methyl-1'-cyclohexyl)-2-essigsaeurechlorid
—— butyryl iodide 78209-72-0 C4H7IO
butyryl iodide
—— 3,3-dimethylglutaryl chloride 53120-75-5 C7H10Cl2O2
3,3-dimethylglutaryl chloride
—— 3,3-dichloro-2,2-dimethylpropionyl chloride 81777-82-4 C5H7Cl3O
3,3-dichloro-2,2-dimethylpropionyl chloride
—— dicyclohexylacetyl chloride 92373-44-9 C14H23ClO
dicyclohexylacetyl chloride
—— spiro[5.5]undecane-3-carboxylic acid chloride 38515-83-2 C12H19ClO
spiro[5.5]undecane-3-carboxylic acid chloride
—— 2,2,3-Trimethylbutansaeure-chlorid 52912-51-3 C7H13ClO
2,2,3-Trimethylbutansaeure-chlorid
—— 2-Fluor-propionyl-fluorid 28781-87-5 C3H4F2O
2-Fluor-propionyl-fluorid
—— bromo-fluoro-acetyl fluoride 359-24-0 C2HBrF2O
bromo-fluoro-acetyl fluoride
—— (Z,Z)-muconic acid dichloride 66415-44-9 C6H4Cl2O2
(Z,Z)-muconic acid dichloride
—— muconic acid dichloride 58823-55-5 C6H4Cl2O2
muconic acid dichloride
—— 2,2-dichlorobutanoyl chloride 89123-81-9 C4H5Cl3O
2,2-dichlorobutanoyl chloride
—— (S)-3-Chloro-butyryl chloride —— C4H6Cl2O
(S)-3-Chloro-butyryl chloride
—— 3,4-dichloroperfluorobutyryl fluoride 678-06-8 C4Cl2F6O
3,4-dichloroperfluorobutyryl fluoride
—— Brom-fluor-acetylchlorid 359-23-9 C2HBrClFO
Brom-fluor-acetylchlorid
—— 2-fluoro-2-iodoacetyl chloride 955374-72-8 C2HClFIO
2-fluoro-2-iodoacetyl chloride
—— 5-methyl-hex-4-enoyl chloride 65890-48-4 C7H11ClO
5-methyl-hex-4-enoyl chloride
—— 2,2-dimethylpent-4-ynoyl chloride 131752-83-5 C7H9ClO
2,2-dimethylpent-4-ynoyl chloride
—— 2-Cyclohexyl-acryloylchlorid 100860-76-2 C9H13ClO
2-Cyclohexyl-acryloylchlorid
—— 3-Methyl-2-methylene-pentanoyl chloride 824410-99-3 C7H11ClO
3-Methyl-2-methylene-pentanoyl chloride
—— β-methoxyacryloyl chloride 84537-07-5 C4H5ClO2
β-methoxyacryloyl chloride
—— 2-ethoxyacryloyl chloride 108275-97-4 C5H7ClO2
2-ethoxyacryloyl chloride
—— 2-methoxy-2-methylpropanoyl chloride 56680-82-1 C5H9ClO2
2-methoxy-2-methylpropanoyl chloride
—— 4-chloro-2-methylbutanoyl chloride 51708-72-6 C5H8Cl2O
4-chloro-2-methylbutanoyl chloride
—— 2-butynoyl chloride 39753-54-3 C4H3ClO
2-butynoyl chloride
—— (2E)-Hepta-2,6-dienoic acid chloride 99285-25-3 C7H9ClO
(2E)-Hepta-2,6-dienoic acid chloride
—— 3-Chloro-2,2-dimethyl-3-thioxopropanoyl Chloride 29309-53-3 C5H6Cl2OS
3-Chloro-2,2-dimethyl-3-thioxopropanoyl Chloride
—— 5-bromo-3,3-dimethylpentanoyl chloride 132143-70-5 C7H12BrClO
5-bromo-3,3-dimethylpentanoyl chloride
—— (-)-(S)-2-methoxy-propionyl chloride 23943-98-8 C4H7ClO2
(-)-(S)-2-methoxy-propionyl chloride
—— 10-Methyl-undecanoyl chloride 1004524-62-2 C12H23ClO
10-Methyl-undecanoyl chloride
—— bromo-succinyl chloride 44806-42-0 C4H3BrCl2O2
bromo-succinyl chloride
—— but-2<i>c</i>-enoyl chloride 3488-22-0 C4H5ClO
but-2<i>c</i>-enoyl chloride
—— 2-chloropalmitoyl chloride 28995-48-4 C16H30Cl2O
2-chloropalmitoyl chloride
—— 10-bromodecanoyl chloride 73674-11-0 C10H18BrClO
10-bromodecanoyl chloride
—— α-bromopalmitoyl chloride 69319-95-5 C16H30BrClO
α-bromopalmitoyl chloride
—— 2,3,3-trifluoro-2,3-dichloropropanoyl chloride 422-43-5 C3Cl3F3O
2,3,3-trifluoro-2,3-dichloropropanoyl chloride
—— 3-chloro-1-adamantanecarbonyl chloride 55982-64-4 C11H14Cl2O
3-chloro-1-adamantanecarbonyl chloride
—— 2,2,4,4-tetramethyl-pentanoyl chloride 32905-63-8 C9H17ClO
2,2,4,4-tetramethyl-pentanoyl chloride
—— 2,2-dibutylmalonic acid chloride 82275-36-3 C11H18Cl2O2
2,2-dibutylmalonic acid chloride
—— 1-[11C]propionyl chloride 128592-78-9 C3H5ClO
1-[11C]propionyl chloride
—— chlorure de l'acide bromo-3 bromomethyl-2 propionique 69193-75-5 C4H5Br2ClO
chlorure de l'acide bromo-3 bromomethyl-2 propionique
—— (E)-4,4,4-trifluorobut-2-enoyl chloride 115630-80-3 C4H2ClF3O
(E)-4,4,4-trifluorobut-2-enoyl chloride
—— 2-bromohex-2-enoyl chloride 847981-54-8 C6H8BrClO
2-bromohex-2-enoyl chloride
—— 2-bromo-3-methyl-2-butenoyl chloride 40052-11-7 C5H6BrClO
2-bromo-3-methyl-2-butenoyl chloride
—— 1,1,1-Tris(chlorocarbonylethoxymethyl)ethane 123074-24-8 C14H21Cl3O6
1,1,1-Tris(chlorocarbonylethoxymethyl)ethane
—— (1-Methoxyethoxy)acetyl chloride 922498-74-6 C5H9ClO3
(1-Methoxyethoxy)acetyl chloride
—— Chlorure de 4-methoxy-2-methylbutanoyle 136295-88-0 C6H11ClO2
Chlorure de 4-methoxy-2-methylbutanoyle
—— (Z)-4-heptenoyl chloride 78078-48-5 C7H11ClO
(Z)-4-heptenoyl chloride
—— fluorure d'acide adipique 693-34-5 C6H8F2O2
fluorure d'acide adipique