2-环己酮甲酸乙酯是一种棕色油状液体,可通过环己酮与碳酸二乙酯在钠氢作用下的反应制得。有文献报道其可用于合成放射性碳-14标记的十溴联苯醚。
制备过程将碳酸二乙酯(146 mL, 1.2 mol)和干燥的四氢呋喃(150 mL)加入到1000 mL三口烧瓶中,搅拌下分批加入60% NaH(63 g, 1.6 mol)。回流反应1小时后,开始滴加环己酮(50 mL, 0.48 mol)的四氢呋喃溶液(50 mL),持续约0.5小时。滴加完毕后继续回流1.5小时。冷却至室温后,用3 N盐酸调pH值至中性,然后倒入水中进行萃取(使用二氯甲烷,75 mL × 3次)。有机层干燥后通过减压蒸馏得到棕色油状液体(66 g, 收率80%),即2-环己酮甲酸乙酯粗品,可以直接用于下一步反应。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 2-acetyl-5-oxo-valeric acid ethyl ester | 69537-75-3 | C9H14O4 | 186.208 |
2-甲氧羰基环戊酮 | methyl 2-oxocyclopentane-1-carboxylate | 10472-24-9 | C7H10O3 | 142.155 |
3-溴-2-氧-环己酮甲酸乙酯 | ethyl 3-bromo-2-oxocyclohexanecarboxylate | 30132-23-1 | C9H13BrO3 | 249.104 |
—— | 6-oxo-cyclohex-3-enecarboxylic acid ethyl ester | 102369-46-0 | C9H12O3 | 168.192 |
—— | ethyl 1-(3-methylbut-2-enyl)-2-oxocyclohexanecarboxylate | 81763-00-0 | C14H22O3 | 238.327 |
—— | 1-bromo-2-oxo-cyclohexanecarboxylic acid ethyl ester | 34243-82-8 | C9H13BrO3 | 249.104 |
1,1,5,5-四乙基戊烷-1,1,5,5-四羧酸酯 | pentane-1,1,5,5-tetracarboxylic acid tetraethyl ester | 3779-30-4 | C17H28O8 | 360.405 |
2-(3-氯丙基)-乙酰乙酸乙酯 | ethyl 7-chloro-3-oxoheptanoate | 99054-01-0 | C9H15ClO3 | 206.669 |
—— | ethyl 7-iodo-3-oxoheptanoate | 153851-18-4 | C9H15IO3 | 298.121 |
2-氧代环己烷乙醛酸乙酯 | ethyl 2-oxo-2-(2-oxocyclohexyl)acetate | 5396-14-5 | C10H14O4 | 198.219 |
顺-2-羟基-1-环己烷羧酸乙酯 | ethyl 2-hydroxycyclohexanecarboxylate | 3444-72-2 | C9H16O3 | 172.224 |
3-氧代-6-庚烯酸乙基 | ethyl 3-oxohept-6-enoate | 17605-06-0 | C9H14O3 | 170.208 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | iso-propyl cyclohexanone-2-carboxylate | 98969-09-6 | C10H16O3 | 184.235 |
—— | allyl 2-oxocyclohexane-1-carboxylate | 5453-93-0 | C10H14O3 | 182.219 |
—— | 3-methyl-2-oxo-cyclohexanecarboxylic acid ethyl ester | 5183-61-9 | C10H16O3 | 184.235 |
—— | Methoxyethyl cyclohexanone-2-carboxylate | 307317-67-5 | C10H16O4 | 200.235 |
—— | ethyl 3-(3-butenyl)-2-oxocyclohexanecarboxylate | 127230-66-4 | C13H20O3 | 224.3 |
—— | 2-carbethoxy-2-methylcyclohexanone | 5453-94-1 | C10H16O3 | 184.235 |
—— | (1R)-1-methyl-2-oxo-cyclohexanecarboxylic acid ethyl ester | 172825-16-0 | C10H16O3 | 184.235 |
—— | (1S)-1-methyl-2-oxo-cyclohexanecarboxylic acid ethyl ester | 152614-56-7 | C10H16O3 | 184.235 |
—— | ethyl 2-oxo-1-ethyl-1-cyclohexanecarboxylate | 55443-01-1 | C11H18O3 | 198.262 |
—— | ethyl 2-oxo-1-propylcyclohexanecarboxylate | 6279-91-0 | C12H20O3 | 212.289 |
—— | ethyl 2-oxo-3-(2'-propenyl)cyclohexane-1-carboxylate | 99423-49-1 | C12H18O3 | 210.273 |
2-丁基环己酮-2-羧酸乙酯 | ethyl 2-butylcyclohexanone-2-carboxylate | 66709-51-1 | C13H22O3 | 226.316 |
—— | 1-isohexyl-2-oxo-cyclohexanecarboxylic acid ethyl ester | 109449-18-5 | C15H26O3 | 254.37 |
—— | Ethyl 2-but-3-ynyl-6-oxocyclohexane-1-carboxylate | 196093-53-5 | C13H18O3 | 222.284 |
—— | 2-Carbethoxy-2-(3-acetyl-propyl)-cyclohexanon | 92372-49-1 | C14H22O4 | 254.326 |
—— | 1-isopentyl-2-oxo-cyclohexanecarboxylic acid ethyl ester | 101099-19-8 | C14H24O3 | 240.343 |
—— | ethyl 1-(3-(ethoxycarbonyl)propyl)-2-oxocyclohexanecarboxylate | 124355-49-3 | C15H24O5 | 284.353 |
—— | 2-ethoxycarbonyl-6-ethoxycarbonylmethylcyclohexanone | 412321-62-1 | C13H20O5 | 256.299 |
—— | ethyl 1-(hex-5-yn-1-yl)-2-oxocyclohexanecarboxylate | 42797-84-2 | C15H22O3 | 250.338 |
—— | 2-oxo-1-(2-oxoethyl)cyclohexanecarboxylic acid ethyl ester | 125225-39-0 | C12H18O4 | 226.273 |
—— | ethyl 1-(3-cyanopropyl)-2-oxocyclohexanecarboxylate | 124355-57-3 | C13H19NO3 | 237.299 |
—— | (±)-ethyl 2-oxo-1-(pent-4-yn-1-yl)cyclohexane-1-carboxylate | 42797-82-0 | C14H20O3 | 236.311 |
6-乙氧羰基-2,2,6-三甲基环己酮 | 1,3,3-trimethyl-2-oxocyclohexanecarboxylic acid ethyl ester | 7507-68-8 | C12H20O3 | 212.289 |
—— | 1-(3-ethoxy-propyl)-2-oxo-cyclohexanecarboxylic acid ethyl ester | 855350-10-6 | C14H24O4 | 256.342 |
—— | 2-oxo-1-(3-oxopentyl)cyclohexanecarboxylic acid ethyl ester | —— | C14H22O4 | 254.326 |
—— | 2-oxo-1-(3-oxo-butyl)-cyclohexanecarboxylic acid ethyl ester | 69881-57-8 | C13H20O4 | 240.299 |
—— | ethyl (S)-2-oxo-1-(3-oxobutyl)-cyclohexanecarboxylate | 69881-58-9 | C13H20O4 | 240.299 |
—— | ethyl 1-iodobutyl-2-oxocyclohexanoate | 110528-47-7 | C13H21IO3 | 352.212 |
—— | (+)-(R)-2-Oxo-1-(3-oxo-1-butyl)-cyclohexancarbonsaeureaethylester | 69881-57-8 | C13H20O4 | 240.299 |
—— | 2-Oxo-1-(4-brombutyl)-cylohexancarbonsaeureaethylester | 62547-82-4 | C13H21BrO3 | 305.212 |
—— | methyl (3aR,5S,7aS)-6-oxo-1,2,3,3a,4,5,7,7a-octahydroindene-5-carboxylate | 926644-62-4 | C11H16O3 | 196.246 |
—— | ethyl 1-(but-3-enyl)-2-oxocyclohexanecarboxylate | 61771-76-4 | C13H20O3 | 224.3 |
—— | 1-(3-bromo-propyl)-2-oxo-cyclohexanecarboxylic acid ethyl ester | 62547-81-3 | C12H19BrO3 | 291.185 |
—— | ethyl 1-(but-3-ynyl)-2-oxocyclohexanecarboxylate | 1201003-78-2 | C13H18O3 | 222.284 |
—— | ethyl 1-(2-cyanoethyl)-2-oxocyclohexanecarboxylate | 42894-09-7 | C12H17NO3 | 223.272 |
—— | 1-(3-Iodo-propyl)-2-oxo-cyclohexanecarboxylic acid ethyl ester | 101493-23-6 | C12H19IO3 | 338.186 |
—— | 3-(1-ethoxycarbonyl-2-oxo-cyclohexyl)-propionic acid | 125117-41-1 | C12H18O5 | 242.272 |
—— | 3-(1-ethoxycarbonyl-2-oxo-cyclohexyl)-propionic acid ethyl ester | 93865-05-5 | C14H22O5 | 270.326 |
—— | methyl 2-oxo-1-(2’-methoxycarbonylethyl)cyclohexanecarboxylate | 106421-32-3 | C13H20O5 | 256.299 |
—— | (S)-ethyl cyclohexanone-2-(2-carboethoxy-ethyl)-2-carboxylate | 116831-06-2 | C14H22O5 | 270.326 |
—— | ethyl 4-acetyl-5-oxocyclononanecarboxylate | 116487-77-5 | C14H22O4 | 254.326 |
—— | 1-isopropyl-2-oxo-cyclohexanecarboxylic acid ethyl ester | 2890-55-3 | C12H20O3 | 212.289 |
—— | ethyl 1-(hydroxymethyl)-2-oxocyclohexanecarboxylate | 133295-89-3 | C10H16O4 | 200.235 |
2-氧代环己烷羧酸 | cyclohexanone-2-carboxylic acid | 18709-01-8 | C7H10O3 | 142.155 |
—— | Ethyl 1-(3-methyliminopropyl)-2-oxocyclohexane-1-carboxylate | 143997-05-1 | C13H21NO3 | 239.315 |
—— | 2-oxo-1-(penta-3,4-dienyl)cyclohexanecarboxylic acid ethyl ester | —— | C14H20O3 | 236.311 |
—— | Ethyl 6-ethenyl-2-oxocyclohexanecarboxylate | 73392-80-0 | C11H16O3 | 196.246 |
—— | ethyl 2-oxo-1-(2-oxopropyl)cyclohexane-1-carboxylate | 24731-07-5 | C12H18O4 | 226.273 |
—— | (1R,2S,5R)-(-)-menthyl 2-oxocyclohexanecarboxylate | 67714-16-3 | C17H28O3 | 280.408 |
—— | (2-oxocyclohexyl)methyl acetate | 7500-52-9 | C9H14O3 | 170.208 |
—— | 2-ethoxycarbonyl-2-(3-oxobutyl)cyclopentanone | 61771-81-1 | C12H18O4 | 226.273 |
3-溴-2-氧-环己酮甲酸乙酯 | ethyl 3-bromo-2-oxocyclohexanecarboxylate | 30132-23-1 | C9H13BrO3 | 249.104 |
—— | 2-Methoxymethyl-2-aethoxycarbonyl-cyclohexanon | 27334-56-1 | C11H18O4 | 214.262 |
—— | ethyl 1-allyl-2-oxocyclohexanecarboxylate | 61771-75-3 | C12H18O3 | 210.273 |
—— | ethyl (R)-1-allyl-2-oxocyclohexane-1-carboxylate | 72763-87-2 | C12H18O3 | 210.273 |
—— | 2-carbethoxy-2-propargyl cyclohexanone | 56576-36-4 | C12H16O3 | 208.257 |
—— | ethyl (S)-1-allyl-2-oxocyclohexane-1-carboxylate | 58648-10-5 | C12H18O3 | 210.273 |
—— | ethyl cyclodecanone-6-carboxylate | 110528-48-8 | C13H22O3 | 226.316 |
2-氧代-1-(3-氧代环己基)环己烷-1-羧酸乙酯 | methyl 2-oxo-1-(3-oxocyclohexyl)cyclohexanecarboxylate | 170970-00-0 | C15H22O4 | 266.337 |
—— | 2,2-dicarboethoxycyclohexanone | 2969-93-9 | C12H18O5 | 242.272 |
—— | 1-carboxymethyl-2-oxo-cyclohexane carboxylic acid ethyl ester | 185981-19-5 | C11H16O5 | 228.245 |
1-羟基-2-氧代-环己烷-1-羧酸乙酯 | 1-hydroxy-2-oxo-cyclohexanecarboxylic acid ethyl ester | 6308-90-3 | C9H14O4 | 186.208 |
—— | 5-Oxo-cyclononanecarboxylic acid ethyl ester | 110528-55-7 | C12H20O3 | 212.289 |
—— | (1-ethoxycarbonyl-2-oxo-cyclohexyl)-acetic acid ethyl ester | 7251-30-1 | C13H20O5 | 256.299 |
环己甲酸乙酯 | ethyl cyclohexanecarboxylate | 3289-28-9 | C9H16O2 | 156.225 |
—— | 3-(1-ethoxycarbonyl-2-oxo-cyclohexyl)-butyric acid ethyl ester | 132595-21-2 | C15H24O5 | 284.353 |
—— | ethyl 1-(2(E)-butenyl)-2-oxocyclohexanecarboxylate | 100532-89-6 | C13H20O3 | 224.3 |
—— | (1-ethoxycarbonyl-2-oxo-cycloheptyl)-acetic acid ethyl ester | 100874-25-7 | C14H22O5 | 270.326 |
—— | 1-methyl-2-oxocyclohexanecarboxylic acid | 32116-62-4 | C8H12O3 | 156.181 |
—— | (1S)-1-methyl-2-oxocyclohexane-1-carboxylic acid | —— | C8H12O3 | 156.181 |
—— | (1R)-1-methyl-2-oxocyclohexane-1-carboxylic acid | —— | C8H12O3 | 156.181 |
—— | ethyl 1-bromomethyl-2-oxocyclohexane-1-carboxylate | 107987-00-8 | C10H15BrO3 | 263.131 |
—— | ethyl 1-(3-methylbut-2-enyl)-2-oxocyclohexanecarboxylate | 81763-00-0 | C14H22O3 | 238.327 |
乙基1-氟-2-环己酮羧酸酯 | 1-fluoro-2-oxocyclohexanecarboxylic acid ethyl ester | 1578-70-7 | C9H13FO3 | 188.199 |
—— | (R)-ethyl 1-fluoro-2-oxocyclohexanecarboxylate | 1253858-56-8 | C9H13FO3 | 188.199 |
—— | (S)-ethyl 1-fluoro-2-oxocyclohexanecarboxylate | 1189186-56-8 | C9H13FO3 | 188.199 |
—— | ethyl 1-(2-dimethylaminoethyl)-2-oxocyclohexanecarboxylate | 80649-58-7 | C13H23NO3 | 241.331 |
3-氧代环庚烷羧酸乙酯 | ethyl 3-oxocycloheptanecarboxylate | 50559-00-7 | C10H16O3 | 184.235 |
—— | 1-bromo-2-oxo-cyclohexanecarboxylic acid ethyl ester | 34243-82-8 | C9H13BrO3 | 249.104 |
—— | (Z)-Ethyl 1-(3-ethoxy-2-propenyl)-2-oxocyclohexane-carboxylate | 87698-18-8 | C14H22O4 | 254.326 |
—— | (E)-Ethyl 1-(3-ethoxy-2-propenyl)-2-oxocyclohexane-carboxylate | 87698-17-7 | C14H22O4 | 254.326 |
—— | (S)-1-bromo-2-oxo-cyclohexanecarboxylic acid ethyl ester | —— | C9H13BrO3 | 249.104 |
—— | ethyl 1-chloro-2-oxocyclohexanecarboxylate | 59736-20-8 | C9H13ClO3 | 204.653 |
—— | benzyl 2-oxocyclohexanecarboxylate | 2205-32-5 | C14H16O3 | 232.279 |
—— | Ethyl 2-oxo-1-(4-oxopent-2-ynyl)cyclohexane-1-carboxylate | 805319-15-7 | C14H18O4 | 250.295 |
—— | 2-Oxo-1-((E)-4-oxo-pent-2-enyl)-cyclohexanecarboxylic acid ethyl ester | 805319-43-1 | C14H20O4 | 252.31 |
—— | Ethyl 1-(1,3-dioxolan-2-ylmethyl)-2-oxocyclohexane-1-carboxylate | 850093-79-7 | C13H20O5 | 256.299 |
—— | diethyl 2,2'-dioxobicyclohexyl-1,1'-dicarboxylate | 59085-10-8 | C18H26O6 | 338.401 |
—— | (R)-ethyl cyclohexanone-2-(2,2-dicarbo-t-butoxy-ethyl)-2-carboxylate | 104316-14-5 | C21H34O7 | 398.497 |
—— | ethyl 5-methylene-2-oxo-bicyclo<2.2.2>octane-1-carboxylate | 133550-70-6 | C12H16O3 | 208.257 |
—— | 6-oxocyclohex-1-enylmethyl 2-oxocyclohexanecarboxylate | 1326779-59-2 | C14H18O4 | 250.295 |
—— | ethyl 3-bromo-1-ethyl-2-oxocyclohexanecarboxylate | 89816-94-4 | C11H17BrO3 | 277.158 |
—— | Ethyl 4-(2-oxo-1-ethoxycarbonylcyclohexyl)but-2-enoate | 101101-38-6 | C15H22O5 | 282.337 |
—— | 1-{3-[(E)-Benzylimino]-propyl}-2-oxo-cyclohexanecarboxylic acid ethyl ester | 143997-03-9 | C19H25NO3 | 315.412 |
—— | 5-(2-oxo-tetrahydro-furan-3-yl)-pentanoic acid | 943-11-3 | C9H14O4 | 186.208 |
—— | ethyl 2-oxo-1-((E)-prop-1-enyl)cyclohexanecarboxylate | 159309-79-2 | C12H18O3 | 210.273 |
2-环己酮乙酸乙酯 | ethyl 2-(2-oxocyclohexyl)acetate | 24731-17-7 | C10H16O3 | 184.235 |
—— | 1-(2-chloroallyl)-2-oxocyclohexanecarboxylic acid ethyl ester | 92825-41-7 | C12H17ClO3 | 244.718 |
—— | ethyl 1-(2-bromo-2-propenyl)-2-oxocyclohexanecarboxylate | 133550-61-5 | C12H17BrO3 | 289.169 |
—— | ethyl-3-benzyl-2-oxo-cyclohexanecarboxylate | 99423-50-4 | C16H20O3 | 260.333 |