简介
3'-溴苯乙酮又叫间溴苯乙酮,是一种有机中间体。它可由以间氨基苯乙酮为原料,通过重氮化反应生成间苯乙酮重氮氢溴酸盐,然后经桑德迈尔反应合成得到。3'-溴苯乙酮可用于制备盐酸美普他酚杂质D以及2-氯-3’-溴苯乙酮。
制备
将80ml 48% 氢溴酸、80ml 水和23g 间氨基苯乙酮,用冰盐水冷至0~5℃。然后在搅拌下滴入由12.2g 亚硝酸钠和30ml 水配成的溶液(液面下),并保持反应温度0~8℃。滴完后继续反应30min。
将上述制得的重氮盐溶液倒入冷的CuBr 盐酸溶液(27.5g CuBr+50ml 氢溴酸)中,加热至50~65℃,充分搅拌放置2~3h。分离除去固体物质和水相,得到油状物。用水洗涤该油状物,直至水溶液呈中性。随后将此油状物加入水中,进行水蒸汽蒸馏至无油滴产生。分出油层后,水层用苯萃取,合并油层并常压蒸出苯后,减压蒸馏收集117~122℃(2.3kp)的馏份,最终得到产品3'-溴苯乙酮(产率95.2%,纯度99.6%)。
用途
3'-溴苯乙酮用作有机合成原料,并且是合成软化血管类药物的中间体。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
1-(4-氨基-3-溴-苯基)-乙烯酮 | 1-(4-amino-3-bromophenyl)-ethanone | 56759-32-1 | C8H8BrNO | 214.062 |
1-溴-3-乙基苯 | 1-bromo-3-ethylbenzene | 2725-82-8 | C8H9Br | 185.063 |
间溴苯甲醛 | 3-Bromobenzaldehyde | 3132-99-8 | C7H5BrO | 185.02 |
1-溴-3-异丙基苯 | 1-bromo-3-isopropylbenzene | 5433-01-2 | C9H11Br | 199.09 |
苯乙酮 | acetophenone | 98-86-2 | C8H8O | 120.151 |
3-(3-溴苯基)-3-氧-丙酸乙酯 | ethyl 3-bromobenzoylacetate | 21575-91-7 | C11H11BrO3 | 271.111 |
1-(3-溴苯基)乙醇 | 1-(3-bromophenyl)ethanol | 52780-14-0 | C8H9BrO | 201.063 |
1-溴-3-(丙-1-烯-2-基)苯 | 1-bromo-3-(prop-1-en-2-yl)benzene | 25108-58-1 | C9H9Br | 197.074 |
间溴苯甲酸 | m-bromobenzoic acid | 585-76-2 | C7H5BrO2 | 201.019 |
1-(3-溴苯基)乙胺 | 1-(3-bromophenyl)ethanamine | 74877-08-0 | C8H10BrN | 200.078 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 2-(3-bromophenyl)-2-oxoacetaldehyde | 701-37-1 | C8H5BrO2 | 213.03 |
2,3-二溴苯乙酮 | 2,3'-dibromoacetophenone | 18523-22-3 | C8H6Br2O | 277.943 |
—— | 1-(3-bromophenyl)-2-fluoroethanone | 1219632-64-0 | C8H6BrFO | 217.037 |
—— | 1-(3-bromophenyl)prop-2-en-1-one | 791588-72-2 | C9H7BrO | 211.058 |
1-(3-溴苯基)-2-羟基乙酮 | 5-bromo-2-hydroxyacetophenone | 4079-51-0 | C8H7BrO2 | 215.046 |
1-(3-溴苯基)-2-氯乙酮 | 1-(3-bromophenyl)-2-chloroethanone | 21886-58-8 | C8H6BrClO | 233.492 |
1-(3-溴苯基)-2-甲基-1-丙酮 | 1-(3-bromophenyl)-2-methylpropan-1-one | 2415-93-2 | C10H11BrO | 227.101 |
—— | 1-(3-bromophenyl)-2,2-dichloroethanone | 96717-76-9 | C8H5BrCl2O | 267.937 |
—— | 3'-bromo-2,2-dihydroxy-acetophenone | 106134-16-1 | C8H7BrO3 | 231.046 |
1-(3-溴-4-羟基苯基)乙酮 | 3-bromo-4-hydroxyacetophenone | 1836-06-2 | C8H7BrO2 | 215.046 |
3-溴-3-苯基苯丙酮 | 1-(3-bromophenyl)-3-phenylpropan-1-one | 866821-66-1 | C15H13BrO | 289.172 |
4-(3-溴苯基)-4-氧代丁腈 | 4-(3-bromophenyl)-4-oxobutanenitrile | 884504-63-6 | C10H8BrNO | 238.084 |
1-溴-3-乙基苯 | 1-bromo-3-ethylbenzene | 2725-82-8 | C8H9Br | 185.063 |
—— | 1-(3-bromophenyl)-3,3,3-trifluoropropan-1-one | 13541-14-5 | C9H6BrF3O | 267.045 |
1-(3-溴苯基)-3-(二甲基氨基)-2-丙烯-1-酮 | 1-(3-bromophenyl)-3-dimethylamino-2-propen-1-one | 1203648-40-1 | C11H12BrNO | 254.126 |
—— | 3-dimethylamino-1-(3-bromo-phenyl)-2-propen-1-one | 163852-04-8 | C11H12BrNO | 254.126 |
1-(3-溴苯基)-3-苯基-1,3-丙二酮 | 1-(3-bromophenyl)-3-phenylpropane-1,3-dione | 25856-02-4 | C15H11BrO2 | 303.155 |
—— | (Z)-1-(3-bromophenyl)-3-(dimethylamino)prop-2-en-1-one | 1428581-88-7 | C11H12BrNO | 254.126 |
2-(3-溴苯基)-2-氧代乙酸 | (3-bromophenyl)oxoacetic acid | 7194-78-7 | C8H5BrO3 | 229.03 |
—— | 1-(3-bromophenyl)-3-(N,N-dimethylamino)-1-propanone | 51949-05-4 | C11H14BrNO | 256.142 |
双(3-溴苯甲酰基)甲烷 | bis(3-bromobenzoyl) methane | 3387-25-5 | C15H10Br2O2 | 382.051 |
1-(3-溴苯基)丁烷-1,3-二酮 | 1-(3-bromophenyl)butane-1,3-dione | 152706-83-7 | C10H9BrO2 | 241.084 |
1-(3-溴苯基)戊烷-1,4-二酮 | 1-(3-bromophenyl)pentane-1,4-dione | 1009842-77-6 | C11H11BrO2 | 255.111 |
6-(3-溴苯基)-6-氧代己腈 | 6-(3-bromophenyl)-6-oxohexanenitrile | 884504-64-7 | C12H12BrNO | 266.137 |
—— | 1-(3-bromo-5-hydroxy-phenyl)-ethanone | 867366-86-7 | C8H7BrO2 | 215.046 |
—— | 1-(3-bromophenyl)-4,4,4-trifluorobutan-1-one | 931430-03-4 | C10H8BrF3O | 281.072 |
—— | (E)-4-(3-bromophenyl)-4-oxobut-2-enoic acid | 74939-78-9 | C10H7BrO3 | 255.068 |
2-羟基-5-溴苯乙酮 | 5-Bromo-2-hydroxyacetophenone | 1450-75-5 | C8H7BrO2 | 215.046 |
1-(5-溴-2-氟苯基)乙酮 | 1-(5-bromo-2-fluorophenyl)ethan-1-one | 198477-89-3 | C8H6BrFO | 217.037 |
1-(3-溴苯基)-2-苯基乙烷-1,2-二酮 | 1-(3-bromophenyl)-2-phenylethane-1,2-dione | 40396-54-1 | C14H9BrO2 | 289.128 |
4-(3-溴苯基)-4-氧代丁酸 | 4-(3-bromophenyl)-4-oxo-butyric acid | 62903-13-3 | C10H9BrO3 | 257.084 |
2-氨基-5-溴苯乙酮 | 1-(2-amino-5-bromophenyl)ethanone | 29124-56-9 | C8H8BrNO | 214.062 |
1-(3-溴苯基)-3-(4-氟苯基)-1-丙酮 | 3'-Bromo-3-(4-fluorophenyl)propiophenone | 898768-14-4 | C15H12BrFO | 307.162 |
—— | (E)-1-(3-bromophenyl)-3-phenylprop-2-en-1-one | 22966-26-3 | C15H11BrO | 287.156 |
—— | 1-(3-bromophenyl)-3-phenylprop-2-en-1-one | —— | C15H11BrO | 287.156 |
1-烯丙基-3-溴苯 | 1-allyl-3-bromobenzene | 18257-89-1 | C9H9Br | 197.074 |
1-(3-溴-苯基)-3,3-双-甲基磺酰基丙酮 | 1-(3-bromophenyl)-3,3-bis(methylthio)prop-2-en-1-one | 71504-03-5 | C11H11BrOS2 | 303.244 |
3-(3-溴苯基)-3-氧丙酸甲酯 | methyl 3-(3-bromophenyl)-3-oxopropanoate | 294881-10-0 | C10H9BrO3 | 257.084 |
—— | (E)-1-(3-bromophenyl)-3-(p-tolyl)prop-2-en-1-one | 851581-65-2 | C16H13BrO | 301.183 |
—— | 1-(3-Bromophenyl)-3-(4-methylphenyl)prop-2-en-1-one | 127612-46-8 | C16H13BrO | 301.183 |
苯乙酮 | acetophenone | 98-86-2 | C8H8O | 120.151 |
2-(3-溴苯基)-2-氧代乙酸甲酯 | methyl 3-bromobenzoylformate | 81316-36-1 | C9H7BrO3 | 243.057 |
—— | (E)-4-(3-(3-bromophenyl)-3-oxoprop-1-en-1-yl)benzaldehyde | 1261352-82-2 | C16H11BrO2 | 315.166 |
—— | 3,3'-Dibrom-benzalaectophenon | 93432-34-9 | C15H10Br2O | 366.052 |
—— | 1,3-bis-(3-bromophenyl)-2-propen-1-ene | 103953-98-6 | C15H10Br2O | 366.052 |
1-(3-溴-2-氯苯基)乙酮 | 1-(3-bromo-2-chlorophenyl)ethanone | 161957-62-6 | C8H6BrClO | 233.492 |
1-溴-3-叔丁基苯 | 1-bromo-3-(tertbutyl)benzene | 3972-64-3 | C10H13Br | 213.117 |
3-(3-溴苯基)-3-氧-丙酸乙酯 | ethyl 3-bromobenzoylacetate | 21575-91-7 | C11H11BrO3 | 271.111 |
—— | 2-(3-bromophenyl)propanal | 59452-90-3 | C9H9BrO | 213.074 |
(R)-3-溴-alpha-甲基苄醇 | (R)-1-(3-bromophenyl)ethanol | 134615-24-0 | C8H9BrO | 201.063 |
(S)-3-溴-alpha-甲基苄醇 | (S)-1-(3-bromophenyl)ethan-1-ol | 134615-22-8 | C8H9BrO | 201.063 |
1-(3-溴苯基)乙醇 | 1-(3-bromophenyl)ethanol | 52780-14-0 | C8H9BrO | 201.063 |
—— | 1-(3-Bromophenyl)-3-(3-methylphenyl)prop-2-en-1-one | 802925-20-8 | C16H13BrO | 301.183 |
—— | 4-[3-(3-Bromophenyl)-3-oxoprop-1-enyl]benzonitrile | 796977-59-8 | C16H10BrNO | 312.166 |
3-溴苯甲酰基甲酸乙酯 | ethyl 2-(3-bromophenyl)-2-oxoacetate | 62123-80-2 | C10H9BrO3 | 257.084 |
1-溴-3-(丙-1-烯-2-基)苯 | 1-bromo-3-(prop-1-en-2-yl)benzene | 25108-58-1 | C9H9Br | 197.074 |
—— | 2-(3-bromophenyl)-N,N-dimethyl-2-oxoacetamide | 1426249-30-0 | C10H10BrNO2 | 256.099 |
—— | 1,3-Bis-<3-oxo-3-(3-brom-phenyl)-prop-1-enyl>benzol | 107178-46-1 | C24H16Br2O2 | 496.198 |
3-溴苯乙酸 | 3-Bromophenylacetic acid | 1878-67-7 | C8H7BrO2 | 215.046 |
1-(3-溴苯基)-4,4,4-三氟-1,3-丁二酮 | 1-(3-bromophenyl)-4,4,4-trifluorobutane-1,3-dione | 23975-64-6 | C10H6BrF3O2 | 295.056 |
1-溴-3-环丙烷基苯 | 1-bromo-3-cyclopropylbenzene | 1798-85-2 | C9H9Br | 197.074 |
3-溴苯甲酰胺 | 3-bromobenzamide | 22726-00-7 | C7H6BrNO | 200.035 |
1-溴-3-(1-溴乙基)苯 | 1-bromo-3-(1-bromoethyl)benzene | 59770-98-8 | C8H8Br2 | 263.96 |
间溴苯甲酸 | m-bromobenzoic acid | 585-76-2 | C7H5BrO2 | 201.019 |
1-溴-3-(1-氯乙基)苯 | 1-(3-bromophenyl)ethyl chloride | 19935-76-3 | C8H8BrCl | 219.509 |
(S)-1-(3-溴苯基)乙胺 | (S)-1-(3-bromophenyl)ethanamine | 139305-96-7 | C8H10BrN | 200.078 |
(R)-1-(3-溴苯基)乙胺 | (R)-1-(3-bromophenyl)ethanamine | 176707-77-0 | C8H10BrN | 200.078 |
1-(3-溴苯基)乙胺 | 1-(3-bromophenyl)ethanamine | 74877-08-0 | C8H10BrN | 200.078 |
—— | 1-(3-Bromophenyl)-3-naphthalen-2-ylprop-2-en-1-one | 403706-52-5 | C19H13BrO | 337.216 |
—— | 4-(3-bromophenyl)-2-hydroxy-4-oxobutyric acid | 97961-06-3 | C10H9BrO4 | 273.083 |
—— | (Z)-3-amino-1-(3-bromophenyl)-4,4,4-trifluorobut-2-en-1-one | 1186042-53-4 | C10H7BrF3NO | 294.071 |
—— | (E)-3-(2-bromophenyl)-1-(3-bromophenyl)prop-2-en-1-one | —— | C15H10Br2O | 366.052 |
—— | 4-[2-(3-Bromophenyl)-2-oxoethoxy]benzaldehyde | 1393890-87-3 | C15H11BrO3 | 319.155 |
—— | (E)-4-(3-(3-bromophenyl)-3-oxoprop-1-en-1-yl)benzoic acid | —— | C16H11BrO3 | 331.166 |
—— | (2E)-1-(3-Bromophenyl)-3-(3-chlorophenyl)prop-2-en-1-one | —— | C15H10BrClO | 321.601 |
—— | (E)-1-(3-bromophenyl)-3-thiophen-3-ylprop-2-en-1-one | 1287790-79-7 | C13H9BrOS | 293.184 |
—— | 3-bromobenzoylpyruvic acid | 105356-64-7 | C10H7BrO4 | 271.067 |