如果按照规格使用和储存,通常不会发生分解,也未有已知危险反应。请避免与氧化物接触。
应用
3-溴苯乙酸属于苯乙酸类衍生物,在医药工业中用于青霉素、地巴唑等药物的生产,并且也是制备农药和植物生长激素的关键合成子。
合成方法
将1,1'-双(二苯基膦基)二茂铁 (8.9 mg, 0.016 mmol, 4 mol%) 和相应的腙 (0.40 mmol,非液体腙的 1.0 当量) 装入干燥的含有搅拌棒的 Schlenk 管(25 mL)中。随后将反应管转移到手套箱内,并依次加入 [Ru(p-cymene)Cl2]2 (4.9 mg, 0.008 mmol, 2 mol%)、Cs2CO3 (169 mg, 0.52 mmol, 1.3 当量) 和 CsF (24 mg, 0.16 mmol, 0.4 当量)。将反应管从手套箱中取出,抽空并用二氧化碳回填三次。然后,在 CO2 氛围下通过注射器向反应混合物中加入无水 DMF(1 mL),以及相应的腙 (0.40 mmol, 1.0 当量液体底物)。
在 大气压(1个大气压)下密封 Schlenk 管,并在 80 °C (380 r/min) 下搅拌混合物 24 小时。将反应混合物冷却至室温,用 2 mL EtOAc 稀释,再用 2 mL 2N HCl 淬灭反应,用 EtOAc(3 x 5 mL)萃取反应混合物。真空浓缩合并的有机相;通过短硅胶快速柱色谱法 (0.1% AcOH/石油醚/EtOAc 10/1~5/1) 纯化残余物,最终得到目标产物 3-溴苯乙酸。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
3-溴苯乙酸乙酯 | ethyl 2-(3-bromophenyl)acetate | 14062-30-7 | C10H11BrO2 | 243.1 |
(4-氨基-3-溴苯基)乙酸 | 2-(4-amino-3-bromophenyl)acetic acid | 66955-75-7 | C8H8BrNO2 | 230.061 |
3-溴氰苄 | (3-bromophenyl)acetonitrile | 31938-07-5 | C8H6BrN | 196.046 |
3'-溴苯乙酮 | 1-(3-Bromophenyl)ethanone | 2142-63-4 | C8H7BrO | 199.047 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
2-(3-溴苯基)乙酸甲酯 | methyl 2-(3-bromophenyl)acetatee | 150529-73-0 | C9H9BrO2 | 229.073 |
3-溴苯乙酸乙酯 | ethyl 2-(3-bromophenyl)acetate | 14062-30-7 | C10H11BrO2 | 243.1 |
3-溴苯乙醇 | 2-(3-bromophenyl)ethan-1-ol | 28229-69-8 | C8H9BrO | 201.063 |
3-溴苯乙醛 | 2-(3-bromophenyl)acetaldehyde | 109347-40-2 | C8H7BrO | 199.047 |
—— | (3-bromo-phenyl)-acetic acid allyl ester | 1346146-35-7 | C11H11BrO2 | 255.111 |
2-(3-溴苯基)丙酸 | 2-(3-bromophenyl)propanoic acid | 53086-52-5 | C9H9BrO2 | 229.073 |
—— | (S)-2-(3-bromophenyl)propanoic acid | 1146411-14-4 | C9H9BrO2 | 229.073 |
2-(3-溴苯基)乙酸叔丁酯 | tert-butyl 2-(3-bromophenyl)acetate | 197792-52-2 | C12H15BrO2 | 271.154 |
—— | 2-(3-bromophenyl)acrylic acid | —— | C9H7BrO2 | 227.057 |
—— | 1-Bromo-3-[2-(methoxymethoxy)ethyl]benzene | 389090-87-3 | C10H13BrO2 | 245.116 |
—— | 2-(3-bromophenyl)-2-fluoroacetic acid | 1071455-00-9 | C8H6BrFO2 | 233.037 |
2-(3-溴苯基)-2-甲基丙酸 | 2-(3-bromophenyl)-2-methylpropanoic acid | 81606-47-5 | C10H11BrO2 | 243.1 |
3-溴苯丙酮 | 3-bromophenylacetone | 21906-32-1 | C9H9BrO | 213.074 |
2-(3-溴苯基)丙酸甲酯 | methyl 2-(3-bromophenyl)propanoate | 80622-53-3 | C10H11BrO2 | 243.1 |
2-(4-氨基-3-溴苯基)乙酸甲酯 | 4-amino-3-bromophenylacetic acid methyl ester | 209809-20-1 | C9H10BrNO2 | 244.088 |
—— | benzyl (3-bromophenyl)acetate | 220099-03-6 | C15H13BrO2 | 305.171 |
2-(3-溴苯基)乙酰胺 | 2-(3-bromophenyl)acetamide | 60312-83-6 | C8H8BrNO | 214.062 |
2-(3-溴苯基)乙酰氯 | 2-(3-bromophenyl)acetyl chloride | 98288-51-8 | C8H6BrClO | 233.492 |
5-溴-2-羟基苯乙酸 | 2-(5-bromo-2-hydroxyphenyl)acetic acid | 38692-72-7 | C8H7BrO3 | 231.046 |
—— | 2-(3-bromophenyl)propane-1,3-diol | 773872-65-4 | C9H11BrO2 | 231.089 |
—— | 2-(3-bromophenyl)butanoic acid | 934980-79-7 | C10H11BrO2 | 243.1 |
—— | methyl 2-(3-bromophenyl)acrylate | 852470-84-9 | C10H9BrO2 | 241.084 |
2-(3-溴苯基)-2-氧代乙酸甲酯 | methyl 3-bromobenzoylformate | 81316-36-1 | C9H7BrO3 | 243.057 |
对溴苯乙酸乙酯 | Ethyl 4-bromophenylacetate | 14062-25-0 | C10H11BrO2 | 243.1 |
3-溴-1-(2-溴乙基)苯 | 1-bromo-3-(2-bromoethyl)benzene | 40422-70-6 | C8H8Br2 | 263.96 |
2-溴-2-(3-溴苯基)乙酸甲酯 | methyl 2-bromo-2-(3-bromophenyl)acetate | 163339-67-1 | C9H8Br2O2 | 307.969 |
—— | 1,3-bis(3-bromophenyl)acetone | 303733-47-3 | C15H12Br2O | 368.068 |
—— | 1-(3-bromophenyl)but-3-en-2-one | 1000771-08-3 | C10H9BrO | 225.085 |
—— | 2-(3-bromophenyl)ethyl methanesulfonate | 844902-63-2 | C9H11BrO3S | 279.155 |
—— | 2-(3-bromophenyl)-N-methyl-acetamide | 214209-88-8 | C9H10BrNO | 228.088 |
—— | 2-(3-bromophenyl)acetohydrazide | 863317-29-7 | C8H9BrN2O | 229.076 |
2-(3-溴苯基)-2,2-二氟乙酸 | 2-(3-bromophenyl)-2,2-difluoroacetic acid | 885068-76-8 | C8H5BrF2O2 | 251.027 |
—— | 2-(3-bromophenyl)pent-4-enoic acid | 619323-39-6 | C11H11BrO2 | 255.111 |
—— | (S)-2-(3-bromophenyl)-3-methylbutanoic acid | —— | C11H13BrO2 | 257.127 |
—— | 2-(3-bromophenyl)-N,N-dimethylacetamide | 117753-07-8 | C10H12BrNO | 242.115 |
—— | 4-Methoxybenzyl (3-bromophenyl)acetate | 910819-64-6 | C16H15BrO3 | 335.197 |
1-溴-3-(2,2,2-三氟乙基)-苯 | 1-bromo-3-(2,2,2-trifluoroethyl)benzene | 163975-05-1 | C8H6BrF3 | 239.035 |
3-溴-3-苯基丙酸甲酯 | methyl 3-(3-bromophenyl)propanoate | 151583-29-8 | C10H11BrO2 | 243.1 |
—— | 2-(3-bromophenyl)-4-methylpentanoic acid | 362530-16-3 | C12H15BrO2 | 271.154 |
2-(3-溴苯基)-1-苯乙酮 | 2-(3-bromophenyl)-1-phenylethanone | 27798-44-3 | C14H11BrO | 275.145 |
—— | 3-amino-1-(3-bromophenyl)butan-2-ol | 1367770-23-7 | C10H14BrNO | 244.131 |
3-甲基苯乙酸 | m-methylphenylacetic acid | 621-36-3 | C9H10O2 | 150.177 |
—— | (3-ethyl-phenyl)-acetic acid | 89723-25-1 | C10H12O2 | 164.204 |
—— | 2-[3-(2-hydroxyethyl)phenyl] acetic acid | 1417557-09-5 | C10H12O3 | 180.203 |