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-甲基丁酰氯 | 2-methylbutanoyl chloride | 57526-28-0 | C5H9ClO |
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2-甲基丁酰氟 | 2-methylbutanoyl fluoride | 86659-57-6 | C5H9FO |
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2-甲基-3-环己基丙酰氯 | 2-methyl-3-cyclohexylpropionyl chloride | 61748-91-2 | C10H17ClO |
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2-甲基-2-环己烯-1-甲酰氯 | 2-Methylcyclohex-2-ene-1-carbonyl chloride | 74517-09-2 | C8H11ClO |
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2-甲基-2,5-环己二烯-1-甲酰氯 | 2-Methylcyclohexa-2,5-diene-1-carbonyl chloride | 123862-86-2 | C8H9ClO |
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2-环丙烯-1,1-二甲酰氯 | Cycloprop-2-ene-1,1-dicarbonyl dichloride | 109154-75-8 | C5H2Cl2O2 |
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2-溴辛酰溴 | 2-bromooctanoyl bromide | 106265-08-1 | C8H14Br2O |
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2-溴辛酰氯 | 2-Bromooctanoyl chloride | 42768-44-5 | C8H14BrClO |
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2-溴戊酰氯 | 2-bromopentanoyl chloride | 42768-45-6 | C5H8BrClO |
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2-溴异丁酰氯 | 2-bromo-2-methylpropionyl chloride | 20469-89-0 | C4H6BrClO |
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2-溴己酰溴 | 2-bromohexanoyl bromide | 54971-26-5 | C6H10Br2O |
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2-溴己酰氯 | 2-bromohexanoyl chloride | 42768-46-7 | C6H10BrClO |
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2-溴十四烷酰氯 | 2-bromotetradecanoic acid chloride | 53411-22-6 | C14H26BrClO |
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2-溴丙酰溴 | 2-bromopropionyl bromide | 563-76-8 | C3H4Br2O |
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2-溴丙酰氯 | 2-Bromopropionyl chloride | 7148-74-5 | C3H4BrClO |
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2-溴丁酰溴 | 2-bromo-butyryl bromide | 26074-52-2 | C4H6Br2O |
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2-溴丁酰氯 | 2-bromobutanoyl chloride | 22118-12-3 | C4H6BrClO |
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2-溴-6-氯己酰氯 | α-bromo-ω-chlorocaproic acid chloride | 41339-26-8 | C6H9BrCl2O |
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2-溴-4-甲基戊酰氯 | 2-bromo-4-methylpentanoyl chloride | 59960-79-1 | C6H10BrClO |
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2-溴-3-甲基丁酰溴 | 2-bromo-3-methyl-butyryl bromide | 26464-05-1 | C5H8Br2O |
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2-溴-3-甲基丁酰氯 | (S)-α-Bromoisopentanoic acid chloride | 27318-02-1 | C5H8BrClO |
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2-溴-3-甲基丁酰氯 | (R)-2-bromo-3-methylbutyryl chloride | 27109-47-3 | C5H8BrClO |
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2-溴-2-甲基丙酰溴 | 2-Bromoisobutyryl bromide | 20769-85-1 | C4H6Br2O |
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2-溴-2-甲基丁酰溴 | (2R,S)-2-Bromo-2-methylbutanoyl bromide | 106265-07-0 | C5H8Br2O |
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2-溴-2-乙基丁酰溴 | 2-bromo-2-ethylbutyryl bromide | 26074-53-3 | C6H10Br2O |
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2-溴-2,3,3,3-四氟丙酰溴 | α-Brom-tetrafluor-propionylbromid | 41874-81-1 | C3Br2F4O |
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2-溴-2,3,3,3-四氟丙酰氯 | 2-bromo-2,3,3,3-tetrafluoropropanoyl chloride | 6066-45-1 | C3BrClF4O |
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2-溴-2,3,3,3-四氟丙酰氟 | 2,3,3,3-tetrafluoro-2-bromopropanoyl fluoride | 6129-62-0 | C3BrF5O |
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2-氰基丁酰氯 | 2-Cyanobutanoyl chloride | 57244-09-4 | C5H6ClNO |
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2-氯辛酰氯 | 2-Chlorooctanoyl chloride | 64781-13-1 | C8H14Cl2O |
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2-氯癸酰氯 | 2-Chloro-decanoyl chloride | 68921-80-2 | C10H18Cl2O |
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2-氯异丁酰氯 | 2-chloroisobutyryl chloride | 13222-26-9 | C4H6Cl2O |
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2-氯己酰氯 | 2-chlorohexanoyl chloride | 43056-19-5 | C6H10Cl2O |
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2-氯四氟丙酰氯 | 2-chlorotetrafluoropropanoyl chloride | 6066-46-2 | C3Cl2F4O |
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2-氯四氟丙酰氟 | 2,3,3,3-tetrafluoro-2-chloropropanoyl fluoride | 28627-00-1 | C3ClF5O |
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2-氯十二碳酰氯 | α-Chlorlaurylchlorid | 59117-77-0 | C12H22Cl2O |
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2-氯乙酰溴 | chloroacetyl bromide | 15018-06-1 | C2H2BrClO |
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2-氯乙酰氯 | [1,2-13C]Chloroacetic acid chloride | 286367-76-8 | C2H2Cl2O |
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2-氯丙酰氯 | (S)-2-chloropropionyl chloride | 70110-24-6 | C3H4Cl2O |
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2-氯丙酰氯 | 2-chloropropionyl chloride | 7623-09-8 | C3H4Cl2O |
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2-氯丁酰氯 | 2-chlorobutyryl chloride | 7623-11-2 | C4H6Cl2O |
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2-氯-4-甲基戊酰氯 | 2-chloro-4-methyl-valeryl chloride | 62721-37-3 | C6H10Cl2O |
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2-氯-3-甲基丁酰氯 | 2-chloro-3-methylbutanoyl chloride | 35383-59-6 | C5H8Cl2O |
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2-氯-2-甲基丁酰氯 | 2-chloro-2-methylbutyryl chloride | 62721-35-1 | C5H8Cl2O |
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2-氟双环[2.2.1]庚-5-烯-2-羰基氟化物 | 2-fluoro-bicyclo[2.2.1]hept-5-ene-2-carbonyl fluoride | 484649-06-1 | C8H8F2O |
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2-氟丙烯酰氯 | 2-fluoroacryloyl chloride | 16522-55-7 | C3H2ClFO |
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2-氟-3-氯丙酸的酰氯 | α-fluoro-β-chloropropanoyl chloride | 112753-66-9 | C3H3Cl2FO |
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2-己基癸酰氯 | 2-hexyldecanoyl chloride | 74918-57-3 | C16H31ClO |
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2-叔丁基-3,3-二甲基丁酰氯 | 2-tert-butyl-3,3-dimethyl-butyryl chloride | 29571-65-1 | C10H19ClO |
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2-十六烷氧基乙酰氯 | 2-(hexadecyloxy)acetyl chloride | 88348-24-7 | C18H35ClO2 |
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