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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—— | 3-oxaoctanoyl chloride | 108345-45-5 | C7H13ClO2 |
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—— | trans-4-n-propylcyclohexylcarbonyl chloride | 67679-83-8 | C10H17ClO |
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—— | 4-Heptylcyclohexylcarbonsaeurechlorid | 86831-19-8 | C14H25ClO |
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—— | 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 |
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—— | Tetrafluoropropionyl fluoride | 663-74-1 | C3HF5O |
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—— | 2-bromo-hex-2-enoyl chloride | 727425-51-6 | C6H8BrClO |
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—— | 1-adamantanecarbonylbromide | 154473-26-4 | C11H15BrO |
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—— | 2-bromocyclohexylacetylchloride | 90085-61-3 | C8H12BrClO |
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—— | dimethyl-fumaroyl chloride | 44873-88-3 | C6H6Cl2O2 |
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—— | β-Chlor-valerylchlorid | 90631-23-5 | C5H8Cl2O |
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—— | (E,E)-2,8,10-undecatrienoic acid chloride | 104461-70-3 | C11H15ClO |
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—— | 4-bromo-4-pentenoyl chloride | 189124-93-4 | C5H6BrClO |
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—— | (2E)-6-bromohex-2-enoic chloride | 1026844-29-0 | C6H8BrClO |
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—— | β-(n-pentyl)methacryloyl chloride | 303142-78-1 | C9H15ClO |
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—— | (E,E)-2,7,9-decatrienoyl chloride | 90719-49-6 | C10H13ClO |
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—— | 5,5,5-trifluoropentanoyl chloride | 1186202-35-6 | C5H6ClF3O |
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—— | 6-methyl-6-heptenoic acid chloride | 39764-81-3 | C8H13ClO |
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—— | 2-methylglutaroyl dichloride | 86240-23-5 | C6H8Cl2O2 |
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—— | crotonyl fluoride | 691-48-5 | C4H5FO |
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—— | 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 |
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—— | methyl-maleoyl chloride | 74220-38-5 | C5H4Cl2O2 |
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—— | nonanoyl bromide | 56147-31-0 | C9H17BrO |
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—— | heptanoyl bromide | 18255-47-5 | C7H13BrO |
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—— | 2,2-dimethyl-succinyl chloride | 66734-50-7 | C6H8Cl2O2 |
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—— | (E)-2-Propyl-2-pentensaeurechlorid | 33786-48-0 | C8H13ClO |
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—— | t-butylthioacetyl chloride | 69077-44-7 | C6H11ClOS |
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—— | 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 |
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—— | 2,3,3,3-tetrafluoropropanoyl chloride | 1186-54-5 | C3HClF4O |
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—— | 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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—— | 2-(cyclopentylthio)acetyl chloride | 1375087-61-8 | C7H11ClOS |
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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 |
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—— | 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 | 62581-57-1 | C4H6Cl4OSi |
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—— | 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 |
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—— | 3-amino-1-adamantanecarbonyl chloride | 428816-49-3 | C11H16ClNO |
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—— | 2,3-dimethyl-2-butenoic acid chloride | 59697-72-2 | C6H9ClO |
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—— | 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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