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 |
|---|---|---|---|
| 4,6-胆固醇二烯-3-酮 | cholesta-4,6-dien-3-one | 566-93-8 | C27H42O |
| 4,6-壬烷二酮 | 4,6-Nonanedione | 14090-88-1 | C9H16O2 |
| 4,6-二苯甲酰基-2-(3-三乙氧基硅丙基)间苯二酚 | 4,6-dibenzoyl-2-(3-triethoxysilylpropyl) resorcinol | 166255-23-8 | C29H34O7Si |
| 4,5-辛二酮 | octane-4,5-dione | 5455-24-3 | C8H14O2 |
| 4,5-双(苯甲酰硫基)-1,3-二硫杂环戊烯-2-硫酮 | 4,5-bis(benzoylthio)-1,3-dithiole-2-thione | 68494-08-6 | C17H10O2S5 |
| 4,5-二羟基-2,3-戊烷二酮 | 4,5-dihydroxy-2,3-pentanedione | 142937-55-1 | C5H8O4 |
| 4,5-二甲氧基-11-甲基-1,3-二恶茂并[4,5-C]吖啶-6(11H)-酮 | 4,5-dimethoxy-11-methyl-11<i>H</i>-[1,3]dioxolo[4,5-<i>c</i>]acridin-6-one | 568-01-4 | C17H15NO5 |
| 4,5-二溴萘-1,8-二羧酸 | 4,5-dibromo-1,8-naphthalic anhydride | 13577-26-9 | C12H4Br2O3 |
| 4,5-二氢-5alpha-甲氧基D-(-)-炔诺孕酮 | levonorgestrel impurity O | 155683-60-6 | C22H32O3 |
| 4,5,9,10-吡咯烷酮,2,7-双(1,1-二甲基乙基) | 2,7-di-tert-butyl-pyrene-4,5,9,10-tetraone | 190843-93-7 | C24H22O4 |
| 4,4’-二氰基二苯甲酮 | 4,4'-dicyanobenzophenone | 32446-66-5 | C15H8N2O |
| 4,4-二甲基菲尼酮 | 4,4-dimethyl-1-phenylpyrazolidin-3-one | 2654-58-2 | C11H14N2O |
| 4,4-二甲基恶唑-2-硫 | 4,4-dimethyloxazolidine-2-thione | 54013-55-7 | C5H9NOS |
| 4,4-二甲基异噁唑-3-酮 | 4,4-dimethylisoxazolidin-3-one | 81778-07-6 | C5H9NO2 |
| 4,4-二甲基-2-环戊烯-1-酮 | 4,4-dimethylcyclopent-2-ene-1-one | 22748-16-9 | C7H10O |
| 4,4-二甲基-2-环己基-1-酮 | 4,4-dimethylcyclohexenone | 1073-13-8 | C8H12O |
| 4,4-二甲基-1,3-环己二酮 | 4,4-dimethylcyclohexane-1,3-dione | 562-46-9 | C8H12O2 |
| 4,4-二氟-1-(4-氟苯基)-1,3-丁二酮 | 4,4-DIFLUORO-1-(4-FLUOROPHENYL)-1,3-BUTANEDIONE | 371967-21-4 | C10H7F3O2 |
| 4,4'-羰基双(异苯并呋喃-1,3-二酮) | 2,2',3,3'-benzophenone tetracarboxylic dianhydride | 13972-93-5 | C17H6O7 |
| 4,4'-氧代双(异苯并呋喃-1,3-二酮) | 2,2',3,3'-oxydiphthalic dianhydride | 50662-96-9 | C16H6O7 |
| 4,4'-二甲基二苯甲酮 | 4,4'-Dimethylbenzophenone | 611-97-2 | C15H14O |
| 4,4'-二氯苯丁酮 | 4-chloro-1-(4-chlorophenyl)butan-1-one | 40877-09-6 | C10H10Cl2O |
| 4,4'-二氧代联环己烷 | 4,4'-bicyclohexanone | 23391-99-3 | C12H18O2 |
| 4,16-雄二烯-3-酮 | 4,16-androstadien-3-one | 4075-07-4 | C19H26O |
| 4'-苯甲氧基-2-溴苯丙酮 | 1-<4-(benzyloxy)phenyl>-2-bromo-1-propanone | 35081-45-9 | C16H15BrO2 |
| 4'-羟基苯庚酮 | 4-heptanoylphenol | 14392-72-4 | C13H18O2 |
| 4'-溴-2,2,2-三氟苯乙酮 | 4'-bromo-2,2,2-trifluoroacetophenone | 16184-89-7 | C8H4BrF3O |
| 4'-溴-2'-氟苯乙酮 | 4-bromo-2-fluoroacetophenone | 625446-22-2 | C8H6BrFO |
| 4'-氯-2'-羟基苯乙酮 | 4-chloro-2-hydroxy acetophenone | 6921-66-0 | C8H7ClO2 |
| 4'-氟-3'-羟基苯乙酮 | 4'-fluoro-3'-hydroxyacetophenone | 949159-95-9 | C8H7FO2 |
| 4'-氟-3'-(三氟甲基)苯乙酮 | 1-[4-fluoro-3-(trifluoromethyl)phenyl]ethanone | 208173-24-4 | C9H6F4O |
| 4'-氟-2-苯基苯乙酮 | 1-(4-fluorophenyl)-2-phenylethanone | 347-84-2 | C14H11FO |
| 4'-乙酰氨基-2'-甲基苯乙酮 | N-(4-acetyl-3-methylphenyl)acetamide | 34956-31-5 | C11H13NO2 |
| 4 -异丁基- 2 -吡咯烷酮 | 4-isobutyl-2-pyrrolidinone | 61312-87-6 | C8H15NO |
| 3′-碘-4′-甲氧基苯乙酮 | 3-iodo-4-methoxyacetophenone | 79324-77-9 | C9H9IO2 |
| 3’-氯甲基-4’-羟基苯乙酮 | 1-(3-chloromethyl-4-hydroxyphenyl)ethanone | 24085-05-0 | C9H9ClO2 |
| 3’-氯-4’-羟基苯乙酮 | 3-chloro-4-hydroxy-acetophenone | 2892-29-7 | C8H7ClO2 |
| 3beta,5beta-二羟基开环屈螺酮醇 | 17α-(3-hydroxypropyl)-6β,7β;15β,16β-dimethylene-5β-androstane-3β,5,17β-triol | 82543-18-8 | C24H38O4 |
| 3H-1,2-苯并二硫醇-3-酮 | 3H-1,2-benzodithiol-3-one | 1677-27-6 | C7H4OS2 |
| 3.3.4.4-四氨基苯甲酮 | 3,3',4,4'-tetraaminobenzophenone | 5007-67-0 | C13H14N4O |
| 3-(三氟甲氧基)苯乙酮 | 1-(3-trifluoromethoxy-phenyl)ethanone | 170141-63-6 | C9H7F3O2 |
| 3-苯酰苯基乙酸 | 2-(3-benzoylphenyl)acetic acid | 22071-22-3 | C15H12O3 |
| 3-苯甲酰苯基乙腈 | 2-(3-benzoylphenyl)acetonitrile | 21288-34-6 | C15H11NO |
| 3-苯甲酰苄基溴 | 3-benzoylbenzyl bromide | 22071-24-5 | C14H11BrO |
| 3-苯基环戊酮 | 3-phenylcyclopentanone | 64145-51-3 | C11H12O |
| 3-苯基环丁酮 | 3-Phenylcyclobutanone | 52784-31-3 | C10H10O |
| 3-苯基哌啶-2,6-二酮 | 3-phenylpiperidine-2,6-dione | 14149-34-9 | C11H11NO2 |
| 3-苯基乙酰丙酮 | 3-phenylazo-pentane-2,4-dione | 56276-49-4 | C11H12N2O2 |
| 3-苯基-2-丁酮 | 3-phenyl-butan-2-one | 769-59-5 | C10H12O |
| 3-苯-5-噁唑烷酮 | 3-(triphenylmethyl)-5-oxazolidinone | 115011-73-9 | C22H19NO2 |