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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
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—— 4-Heptylcyclohexylcarbonsaeurechlorid 86831-19-8 C14H25ClO
4-Heptylcyclohexylcarbonsaeurechlorid
—— 4-Octylcyclohexane-1-carbonyl chloride 67679-86-1 C15H27ClO
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—— octyloxy-acetyl chloride 229026-21-5 C10H19ClO2
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—— 5-cyanopentanoyl chloride 40934-11-0 C6H8ClNO
5-cyanopentanoyl chloride
—— Tetrafluoropropionyl fluoride 663-74-1 C3HF5O
Tetrafluoropropionyl fluoride
—— 2-bromo-hex-2-enoyl chloride 727425-51-6 C6H8BrClO
2-bromo-hex-2-enoyl chloride
—— 1-adamantanecarbonylbromide 154473-26-4 C11H15BrO
1-adamantanecarbonylbromide
—— 2-bromocyclohexylacetylchloride 90085-61-3 C8H12BrClO
2-bromocyclohexylacetylchloride
—— dimethyl-fumaroyl chloride 44873-88-3 C6H6Cl2O2
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—— β-Chlor-valerylchlorid 90631-23-5 C5H8Cl2O
β-Chlor-valerylchlorid
—— (E,E)-2,8,10-undecatrienoic acid chloride 104461-70-3 C11H15ClO
(E,E)-2,8,10-undecatrienoic acid chloride
—— 4-bromo-4-pentenoyl chloride 189124-93-4 C5H6BrClO
4-bromo-4-pentenoyl chloride
—— (2E)-6-bromohex-2-enoic chloride 1026844-29-0 C6H8BrClO
(2E)-6-bromohex-2-enoic chloride
—— β-(n-pentyl)methacryloyl chloride 303142-78-1 C9H15ClO
β-(n-pentyl)methacryloyl chloride
—— (E,E)-2,7,9-decatrienoyl chloride 90719-49-6 C10H13ClO
(E,E)-2,7,9-decatrienoyl chloride
—— 5,5,5-trifluoropentanoyl chloride 1186202-35-6 C5H6ClF3O
5,5,5-trifluoropentanoyl chloride
—— 6-methyl-6-heptenoic acid chloride 39764-81-3 C8H13ClO
6-methyl-6-heptenoic acid chloride
—— 2-methylglutaroyl dichloride 86240-23-5 C6H8Cl2O2
2-methylglutaroyl dichloride
—— crotonyl fluoride 691-48-5 C4H5FO
crotonyl fluoride
—— 2-Pentyl-oct-7-enoyl chloride 1028297-94-0 C13H23ClO
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—— trans-cyclopentane-1,2-dicarbonyl dichloride 45869-27-0 C7H8Cl2O2
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—— 4-ethyloctanoyl chloride 16493-81-5 C10H19ClO
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—— (R,S)-t-butyl cyanoacetyl chloride 61200-98-4 C7H10ClNO
(R,S)-t-butyl cyanoacetyl chloride
—— methyl-maleoyl chloride 74220-38-5 C5H4Cl2O2
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—— nonanoyl bromide 56147-31-0 C9H17BrO
nonanoyl bromide
—— heptanoyl bromide 18255-47-5 C7H13BrO
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—— 2,2-dimethyl-succinyl chloride 66734-50-7 C6H8Cl2O2
2,2-dimethyl-succinyl chloride
—— (E)-2-Propyl-2-pentensaeurechlorid 33786-48-0 C8H13ClO
(E)-2-Propyl-2-pentensaeurechlorid
—— t-butylthioacetyl chloride 69077-44-7 C6H11ClOS
t-butylthioacetyl chloride
—— dodec-11-enoyl chloride 84465-81-6 C12H21ClO
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—— perfluorodecanoyl chloride 307-38-0 C10ClF19O
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—— 2-Methyl-pentan-carbonsaeure-(1)-chlorid 57323-93-0 C7H13ClO
2-Methyl-pentan-carbonsaeure-(1)-chlorid
—— 2,3,3,3-tetrafluoropropanoyl chloride 1186-54-5 C3HClF4O
2,3,3,3-tetrafluoropropanoyl chloride
—— α,α,γ-trichlorododecanoyl chloride 83611-20-5 C12H20Cl4O
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—— (Z)-2-chloro-2-butenoyl chloride 56030-36-5 C4H4Cl2O
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—— 4-chloro-4,4-difluorobutyryl chloride 135058-89-8 C4H4Cl2F2O
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—— 4-chloro-cyclohex-3-enecarbonyl chloride 133058-06-7 C7H8Cl2O
4-chloro-cyclohex-3-enecarbonyl chloride
—— 3-(tetradecylthio)propionyl chloride 155704-15-7 C17H33ClOS
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—— 3,4,4-trifluorobut-3-enylthioacetyl chloride 179946-87-3 C6H6ClF3OS
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4-(Trichlorosilyl)butanoyl chloride
—— 2-bromo-3-chloropropanoyl chloride 29548-84-3 C3H3BrCl2O
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—— 3,3-diethylpentanoyl chloride 115858-07-6 C9H17ClO
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—— 3,3,3-trifluoro-2-trifluoromethylpropionyl chloride 382-19-4 C4HClF6O
3,3,3-trifluoro-2-trifluoromethylpropionyl chloride
—— 3-amino-1-adamantanecarbonyl chloride 428816-49-3 C11H16ClNO
3-amino-1-adamantanecarbonyl chloride
—— 2,3-dimethyl-2-butenoic acid chloride 59697-72-2 C6H9ClO
2,3-dimethyl-2-butenoic acid chloride
—— β-cyclocitrylideneacetic acid chloride 69258-08-8 C12H17ClO
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—— 2,2-Dimethyl-4-bromobutyryl chloride 136530-90-0 C6H10BrClO
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