酮类化合物是一类有机化合物,其分子中至少含有一个羰基(C=O),并且这个羰基被两个碳原子所包围。通式为R1-C(=O)-R2,其中R1和R2可以是任何烷基或芳基等碳基团。酮的命名通常以烷基作为前缀,并按照取代基的顺序进行排列。
物理性质酮类化合物具有较低的沸点,这是因为它们的分子间相互作用力相对较弱。例如,丙酮(CH3COCH3)的沸点约为56℃,而乙醇(C2H5OH)的沸点为78.4℃。
化学性质 酮的亲核加成反应氢化:在一定条件下,如在钯催化剂的作用下,酮可以被还原为醇。
硼氢化:使用硼烷衍生物(如LiBH4)作为还原剂,可将酮转化为伯醇。
在高温或酸性条件下,酮可以发生分子内脱水生成α,β-不饱和羰基化合物。这一过程也称为Wittig反应的一种特例。
应用领域医药:许多药物含有酮结构。
香料与调味剂:多种芳香物质为酮类化合物,例如肉桂醛、茴香脑等。
溶剂:丙酮广泛用于各种化学合成和工业过程中作为溶剂。
中文名称 | 英文名称 | CAS号 | 化学式 | 结构式图片 |
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5-羟基-2-(3-羟基-4,5-二甲氧苯基)-3,7-二甲氧基-4H-色烯-4-酮 | 3',5-dihydroxy-3,4',5',7-tetramethoxyflavone | 14290-57-4 | C19H18O8 |
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5-羟基-1-茚酮 | 5-hydroxy-2,3-dihydro-1H-indene-1-one | 3470-49-3 | C9H8O2 |
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5-碘甲基6alpha,9alpha-二氟-11beta-羟基-16alpha-甲基-3-氧代-17alpha-(丙酰氧基)-雄甾-1,4-二烯-17beta-硫代甲酸酯 | S-iodomethyl-6α,9α-difluoro-11β-hydroxy-16α-methyl-17α-propionyloxy-3-oxo-androsta-1,4-diene-17β-carbothioate | 80474-67-5 | C25H31F2IO5S |
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5-硝基-2-(环氧乙烷基甲氧基)苯乙酮 | (+/-)-2'-acetyl-4'-nitro-O-phenylglycidol | 329722-31-8 | C11H11NO5 |
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5-癸酮 | decan-5-one | 820-29-1 | C10H20O |
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5-甲氧基-1H-苯并[d][1,3]噁嗪-2,4-二酮 | 5-methoxy-1H-benzo-[d][1,3]-oxazine-2,4-dione | 67765-42-8 | C9H7NO4 |
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5-甲氧基-1,3,4-噻二唑-2-酮 | 5-methoxy-3H-[1,3,4]thiadiazol-2-one | 17605-27-5 | C3H4N2O2S |
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5-甲基茚-1,3-二酮 | 5-methylindan-1,3-dione | 50919-77-2 | C10H8O2 |
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5-甲基喹唑啉-4(1H)-酮 | 5-methylquinazolin-4(3H)-one | 75844-41-6 | C9H8N2O |
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5-甲基-5-苯基己烷-3-酮 | 5-methyl-5-phenylhexan-3-one | 4927-36-0 | C13H18O |
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5-甲基-5-丙基-1,3-二恶烷-2-酮 | 5-Methyl-5-n-propyl-1,3-dioxan-2-one | 7148-50-7 | C8H14O3 |
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5-甲基-3-亚甲基-2-己酮 | 3-methylene-5-methyl-2-hexanone | 1187-87-7 | C8H14O |
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5-甲基-2-异丙基环己酮 | Menthone | 10458-14-7 | C10H18O |
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5-甲基-2-庚烯-4-酮 | 5-methyl 2-hepten-4-one | 81925-81-7 | C8H14O |
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5-甲基-2,3-己烷二酮 | 5-methyl-2,3-hexanedione | 13706-86-0 | C7H12O2 |
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5-溴-7-氟-2,3-二氢-1H-茚-1-酮 | 5-bromo-7-fluoro-2,3-dihydro-1H-inden-1-one | 1242157-14-7 | C9H6BrFO |
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5-溴-2-金刚酮 | 5-bromoadamantan-2-one | 20098-20-8 | C10H13BrO |
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5-溴-2-茚满酮 | 5-bromo-2-indanone | 174349-93-0 | C9H7BrO |
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5-溴-2-戊酮 | bromo-5-pentanone-2 | 3884-71-7 | C5H9BrO |
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5-溴-2'-氯-2-羟基苯甲酮 | 5-bromo-2'-chloro-2-hydroxybenzophenone | 332104-54-8 | C13H8BrClO2 |
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5-溴-1H-茚-1-酮 | 5-bromo-1H-inden-1-one | 338989-48-3 | C9H5BrO |
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5-溴-1,3-茚满二酮 | 5-bromo-1,3-indanedione | 27611-39-8 | C9H5BrO2 |
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5-氯苯戊酮 | 5-Chloro-1-phenyl-1-pentanone | 942-93-8 | C11H13ClO |
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5-氯甲基-2-噁唑烷酮 | 5-(chloromethyl)-1,3-oxazolidin-2-one | 22625-57-6 | C4H6ClNO2 |
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5-氯喹唑啉-2,4(1H,3H)-二酮 | 5-chloro-2,4-dioxo-1,2,3,4-tetrahydroquinazoline | 78754-81-1 | C8H5ClN2O2 |
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5-氯-3-苯并呋喃酮 | 5-chlorobenzofuran-3(2H)-one | 3261-05-0 | C8H5ClO2 |
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5-氯-2-金刚烷酮 | 5-chloroadamantan-2-one | 20098-17-3 | C10H13ClO |
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5-氯-2-羟基-4-甲基苄苯酮 | 5-chloro-4-methyl-2-hydroxy benzophenone | 68751-90-6 | C14H11ClO2 |
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5-氯-2-甲氧羰基-2-羟基-1-茚酮 | methyl 5-chloro-2-hydroxy-1-oxo-2,3-dihydro-1H-indene-2-carboxylate | 144172-24-7 | C11H9ClO4 |
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5-氯-2-戊酮 | 1-chloro-4-(1,3-dioxolane)-n-pentane | 5978-08-5 | C7H13ClO2 |
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5-氯-2-(3-甲基-4H-1,2,4-三唑-4-基)二苯甲酮 | 5-chloro-2-(3-methyl-4H-1,2,4-triazol-4-yl)benzophenone | 36916-19-5 | C16H12ClN3O |
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5-氯-1,3-二甲基-3-((苯磺酰基)甲基)吲哚啉-2-酮 | 5-chloro-1, 3-dimethyl-3-((phenylsulfonyl)methyl)indolin-2-one | 1588429-75-7 | C17H16ClNO3S |
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5-氨基氢化茚-1-酮 | 5-aminoindan-1-one | 3470-54-0 | C9H9NO |
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5-氨基-6-溴-2,3-二氢-1H-茚-1-酮 | 5-Amino-6-bromo-1-indanone | 158205-19-7 | C9H8BrNO |
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5-氨基-2-羟基苯乙酮 | 5-amino-2-hydroxyacetophenone | 50-80-6 | C8H9NO2 |
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5-氨基-2-(3-(叔丁基氨基)-2-羟基丙氧基)苯乙酮 | 1-{5-amino-2-[3-(tert-butylamino)-2-hydroxypropoxy]phenyl}ethan-1-one | 56980-94-0 | C15H24N2O3 |
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5-氨基-2,4-二氢-[1,2,4]噻唑-3-酮 | 5-amino-2,4-dihydro-3H-1,2,4-triazol-3-one | 1003-35-6 | C2H4N4O |
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5-氟异吲哚啉-1-酮 | 5-fluoroisoindolin-1-one | 1260666-80-5 | C8H6FNO |
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5-氟-3-(4-哌啶基)-1,2-苯并异噁唑 | 5-fluoro-3-(4-piperidinyl)-1,2-benzisoxazole | 84163-64-4 | C12H13FN2O |
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5-异丙基-1,3-环己二酮 | 5-isopropyl-1,3-cyclohexanedione | 18456-87-6 | C9H14O2 |
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5-庚基-2,4-二氢-3H-1,2,4-三唑-3-硫酮 | 5-Heptyl-2,4-dihydro-3H-1,2,4-triazole-3-thione | 7271-49-0 | C9H17N3S |
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5-孕烯-3beta,20Beta-二醇 | (20R)-pregn-5-ene-3β,20-diol | 901-57-5 | C21H34O2 |
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5-叔-丁基-2,4-二羟基苯并苯基酮 | 2,4-dihydroxy-5-tert-butylbenzophenone | 4211-67-0 | C17H18O3 |
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5-十一酮 | undecan-5-one | 33083-83-9 | C11H22O |
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5-二乙氨基-2-戊酮 | 5-diethylamino-2-pentanone | 105-14-6 | C9H19NO |
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5-乙酰基-4-羟基-2H-1,3-噻嗪-2,6(3h)-二酮 | 5‐acetyl‐4‐hydroxy‐2H‐1,3‐thiazine‐2,6(3H)‐dione | 936074-63-4 | C6H5NO4S |
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5-乙酰基-2,2-二甲基-1,3-二恶烷-4,6-二酮 | 5-acetyl-2,2-dimethyl-1,3-dioxane-4,6-dione | 72324-39-1 | C8H10O5 |
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5-乙基壬烷-2-酮 | 5-ethyl-2-nonanone | 5440-89-1 | C11H22O |
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5-乙基壬-3-烯-2-酮 | 5-ethyl-non-3-en-2-one | 10137-90-3 | C11H20O |
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5-乙基-4-羟基-2-甲基-3(2H)-呋喃酮 | 5-ethyl-4-hydroxy-2-methyl-3(2H)-furanone | 27538-09-6 | C7H10O3 |
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