3,4-二甲氧基苯乙醇主要用作有机合成和医药化学领域的手性中间体,可用于药物分子的合成。在有机合成过程中,其羟基基团可以通过氧化反应转化为苯甲醛或苯甲酸衍生物。
制备将5.5毫克(0.02毫摩尔)[MnBr(CO)₅]、1毫摩尔3,4-二甲氧基苯乙酸放入装有螺旋盖和磁性搅拌器的Schlenk管中。对反应容器进行抽真空,并三次充入氩气后,在氩气保护下,向混合物中加入216.4毫克(2.0毫摩尔)苯基硅烷和0.5毫升2-甲基四氢呋喃。将该混合物在80℃下加热搅拌反应4小时。冷却至室温后,慢慢滴加6毫升甲醇和4毫升10% w/w的氢氧化钠水溶液,并继续搅拌过夜。
用二氯甲烷(3×10 mL)从水相中萃取粗品,将合并的有机层在MgSO₄上干燥并过滤除去干燥剂。得到的滤液在真空下减压浓缩即可得到目标产物分子3,4-二甲氧基苄基乙醇。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
4-羟基-3-甲氧基苯乙醇 | homovanillyl alcohol | 2380-78-1 | C9H12O3 | 168.192 |
3,4-二甲氧基苯乙酸 | (3,4-Dimethoxyphenyl)acetic acid | 93-40-3 | C10H12O4 | 196.203 |
2-(3,4-二甲氧基苯基)乙酸乙酯 | β-(3,4-Dimethoxy-phenyl)-ethyl-acetat | 14617-41-5 | C12H16O4 | 224.257 |
3,4-二甲氧基苯乙胺 | 2-(3,4-dimethoxyphenyl)-ethylamine | 120-20-7 | C10H15NO2 | 181.235 |
(3,4-二甲氧基苯基)乙醛 | 3,4-dimethoxyphenylacetaldehyde | 5703-21-9 | C10H12O3 | 180.203 |
3,4-二甲氧基苯乙酸甲酯 | methyl (3,4-dimethoxyphenyl)acetate | 15964-79-1 | C11H14O4 | 210.23 |
—— | 1,2-dimethoxy-4-(2-benzyloxyethyl)benzene | 99221-24-6 | C17H20O3 | 272.344 |
3,4-二甲氧基苯基乙酸乙酯 | ethyl 3,4-dimethoxyphenylacetate | 18066-68-7 | C12H16O4 | 224.257 |
羟基酪醇 | hydroxytyrosol | 10597-60-1 | C8H10O3 | 154.166 |
N-(3,4-二甲氧基苯乙基)乙酰胺 | N-[2-(3,4-dimethoxyphenyl)ethyl]acetamide | 6275-29-2 | C12H17NO3 | 223.272 |
—— | 1,2-dimethoxy-4-(2-tert-butyldimethylsiloxyethyl)benzene | 406215-61-0 | C16H28O3Si | 296.482 |
3,4-二羟基苯乙酸 | 3,4-dihydroxyphenylacetate | 102-32-9 | C8H8O4 | 168.149 |
3,4-二甲氧基苯乙烯 | 3,4-dimethoxystyrene | 6380-23-0 | C10H12O2 | 164.204 |
3,4-二甲氧基苯甲醛 | 3,4-dimethoxy-benzaldehyde | 120-14-9 | C9H10O3 | 166.177 |
3,4-二羟基苯乙酸甲酯 | 2-(3,4-dihydroxyphenyl)acetic acid methyl ester | 25379-88-8 | C9H10O4 | 182.176 |
—— | (+/-)-O-methyl <6>-gingerol | 61914-52-1 | C18H28O4 | 308.418 |
4-乙烯基-2-甲氧基苯酚 | 3-methoxy-4-hydroxystyrene | 7786-61-0 | C9H10O2 | 150.177 |
香草醛 | vanillin | 121-33-5 | C8H8O3 | 152.15 |
—— | 4-(2,2-dichlorovinyl)-1,2-dimethoxybenzene | 60561-55-9 | C10H10Cl2O2 | 233.094 |
藜芦基乙酸酯 | veratryl acetate | 53751-40-9 | C11H14O4 | 210.23 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 1,2-Dimethoxy-4-[2-(methoxymethoxy)ethyl]benzene | 1338236-55-7 | C12H18O4 | 226.273 |
—— | 4-(2-(allyloxy)ethyl)-1,2-dimethoxybenzene | 1616561-63-7 | C13H18O3 | 222.284 |
3,4-二甲氧基苯乙酸 | (3,4-Dimethoxyphenyl)acetic acid | 93-40-3 | C10H12O4 | 196.203 |
—— | (S)-2-(3,4-dimethoxyphenyl)propanoic acid | 1386351-16-1 | C11H16O3 | 196.246 |
2-(3,4-二甲氧基苯基)乙酸乙酯 | β-(3,4-Dimethoxy-phenyl)-ethyl-acetat | 14617-41-5 | C12H16O4 | 224.257 |
—— | 1,2-Dimethoxy-4-(2-fluoroethyl)benzene | 117559-89-4 | C10H13FO2 | 184.21 |
3,4-二甲氧基苯乙基溴 | 3,4-dimethoxyphenethyl bromide | 40173-90-8 | C10H13BrO2 | 245.116 |
4-(2-碘乙基)-1,2-二甲氧基苯 | 2-(3,4-dimethoxyphenyl)-1-iodoethane | 64728-23-0 | C10H13IO2 | 292.117 |
3,4-二甲氧基苯乙胺 | 2-(3,4-dimethoxyphenyl)-ethylamine | 120-20-7 | C10H15NO2 | 181.235 |
(3,4-二甲氧基苯基)乙醛 | 3,4-dimethoxyphenylacetaldehyde | 5703-21-9 | C10H12O3 | 180.203 |
4-(2-氯乙基)-1,2-二甲氧基苯 | 2-(3,4-dimethoxyphenyl)-ethylchloride | 27160-08-3 | C10H13ClO2 | 200.665 |
—— | 2-(3,4-dimethoxy-phenyl)-ethanethiol | 62978-83-0 | C10H14O2S | 198.286 |
—— | (+/-)-1-(3,4-Dimethoxyphenyl)butan-2-ol | 26014-71-1 | C12H18O3 | 210.273 |
—— | 3,4-dimethoxyphenethyl methanesulfonate | 75803-23-5 | C11H16O5S | 260.311 |
—— | 1,2-dimethoxy-4-(2-benzyloxyethyl)benzene | 99221-24-6 | C17H20O3 | 272.344 |
3-(3,4-二甲氧基苯基)丙腈 | 3-(3,4-dimethoxyphenyl)propanenitrile | 49621-56-9 | C11H13NO2 | 191.23 |
4-[2-(3,4-二甲氧基苯基)乙基]-1,2-二甲氧基苯 | 1,2-bis(3,4-dimethoxyphenyl)ethane | 5963-51-9 | C18H22O4 | 302.37 |
N-甲基-2-(3,4-二甲氧基苯基)乙胺 | N-methylhomoveratrylamine | 3490-06-0 | C11H17NO2 | 195.261 |
—— | 4-[2-(3,4-Dimethoxy-phenyl)-ethoxy]-phenylamine | —— | C16H19NO3 | 273.332 |
—— | (+/-)-1-(3,4-Dimethoxyphenyl)-3-methylbutan-2-ol | —— | C13H20O3 | 224.3 |
1-(3,4-二甲氧基苯基)乙烷-1,2-二醇 | 1-(3,4-dimethoxyphenyl)ethane-1,2-diol | 13443-56-6 | C10H14O4 | 198.219 |
—— | 4-(2-azidoethyl)-1,2-dimethoxybenzene | 864528-55-2 | C10H13N3O2 | 207.232 |
—— | N,N-dimethyl-3,4-dimethoxy-β-phenethylamine | 3490-05-9 | C12H19NO2 | 209.288 |
N-[2-(3,4-二甲氧基苯基)乙基]-2-(3,4-二甲氧基苯基)乙胺 | N-<2-(3,4-dimethoxyphenyl)ethyl>-2-(3,4-dimethoxyphenyl)ethylamine | 24997-88-4 | C20H27NO4 | 345.439 |
3,4-二甲氧基二环[4.2.0]辛-1,3,5-三烯 | 4,5-Dimethoxybenzocyclobutene | 53995-96-3 | C10H12O2 | 164.204 |
—— | 3,4-dimethoxyphenethyl 2,2,2-trichloroacetimidate | 867152-08-7 | C12H14Cl3NO3 | 326.607 |
4'-羟基-3'-甲氧基-1,2-二苯基乙烷 | 4'-hydroxy-3'-methoxy-1,2-diphenylethane | 10366-19-5 | C15H16O2 | 228.291 |
羟基酪醇 | hydroxytyrosol | 10597-60-1 | C8H10O3 | 154.166 |
3,4-二甲氧基苯丙酸 | 3,4-methoxycinnamic acid | 2107-70-2 | C11H14O4 | 210.23 |
—— | 1,2-dimethoxy-4-(2-tert-butyldimethylsiloxyethyl)benzene | 406215-61-0 | C16H28O3Si | 296.482 |
2-甲基-4-(3,4-二甲氧基苯基)-2-丁醇 | 2-Methyl-4-(3,4-dimethoxyphenyl)-2-butanol | 34577-42-9 | C13H20O3 | 224.3 |
—— | 2-(3,4-dimethoxyphenyl)ethyl 3-phenylpropanoate | —— | C19H22O4 | 314.381 |
—— | N-(3,4-dimethoxyphenethyl)cyclopropanamine | 152677-24-2 | C13H19NO2 | 221.299 |
—— | 1-(3,4-Dimethoxyphenyl)-3-pyridin-4-ylpropan | 127781-74-2 | C16H19NO2 | 257.332 |
—— | 2,3-dihydro-5,6-dimethoxybenzofuran | —— | C10H12O3 | 180.203 |
—— | 2-(2-bromo-4,5-dimethoxyphenyl)ethanol | 289507-36-4 | C10H13BrO3 | 261.115 |
—— | Benzyl 2-(3,4-dimethoxyphenyl)ethyl sulfide | 183997-09-3 | C17H20O2S | 288.411 |
2-(2-碘-4,5-二甲氧基-苯基)-乙醇 | 2-(2-iodo-4,5-dimethoxyphenyl)ethanol | 64705-37-9 | C10H13IO3 | 308.116 |
—— | triacetylhydroxytyrosol | 86214-97-3 | C14H16O6 | 280.277 |
—— | N-[2-(3,4-dimethoxyphenyl)ethyl]piperidine | 71642-81-4 | C15H23NO2 | 249.353 |
[2-(3,4-二甲氧基苯基)乙基]苯胺 | N-(3,4-dimethoxyphenethyl)aniline | 65341-60-8 | C16H19NO2 | 257.332 |
—— | 2-chloro-4-(2-(3,4-dimethoxyphenyl)ethoxy)pyridine | 1185999-53-4 | C15H16ClNO3 | 293.75 |
—— | Phenylurethan des 3.4-Dimethoxy-phenaethylalkohols | 101585-34-6 | C17H19NO4 | 301.342 |
—— | 2-(3,4-dimethoxyphenyl)ethyl caffeate | —— | C19H20O6 | 344.364 |
3,4-二甲氧基苯乙烯 | 3,4-dimethoxystyrene | 6380-23-0 | C10H12O2 | 164.204 |
3,4-二甲氧基苯甲醛 | 3,4-dimethoxy-benzaldehyde | 120-14-9 | C9H10O3 | 166.177 |
—— | (E)-3,4-dimethoxyphenethyl 3-(4-hydroxy-3-methoxyphenyl)acrylate | —— | C20H22O6 | 358.391 |
—— | (Z)-3,4-dimethoxyphenethyl 3-(4-hydroxy-3-methoxyphenyl)acrylate | —— | C20H22O6 | 358.391 |
2-(3,4-二甲氧基苯基乙氧基)-环己酮 | 2-(3,4-dimethoxyphenyl ethoxy)-cyclohexanone | 1360617-31-7 | C16H22O4 | 278.348 |
—— | (2S)-2-[2-(3,4-dimethoxyphenyl)ethoxy]cyclohexan-1-one | 1360617-34-0 | C16H22O4 | 278.348 |
—— | (2R)-2-[2-(3,4-dimethoxyphenyl)ethoxy]cyclohexan-1-one | 1360617-33-9 | C16H22O4 | 278.348 |
—— | 4-((3,4-dimethoxyphenethyl)amino)phenol | 1169411-83-9 | C16H19NO3 | 273.332 |
3,4-二甲氧基苯乙炔 | 4-ethynylveratrole | 4302-52-7 | C10H10O2 | 162.188 |
[2-(3,4-二甲氧基苯基)乙基]-(4-甲氧基苯基)胺 | N-(3,4-dimethoxyphenethyl)-4-methoxyaniline | 1059182-81-8 | C17H21NO3 | 287.359 |
—— | 6,7-dimethoxyisochroman | 13267-99-7 | C11H14O3 | 194.23 |
—— | 2-(3,4,6,7-tetramethoxyphenanthren-1-yl)ethanol | 1454883-73-8 | C20H22O5 | 342.392 |
—— | 4,5-dimethoxy-2-(2-benzyloxyethyl)benzaldehyde | 406215-49-4 | C18H20O4 | 300.354 |
—— | 2-(2-chloroethyl)-4,5-dimethoxybenzaldehyde | 132283-68-2 | C11H13ClO3 | 228.675 |
—— | (E)-3,4-dimethoxyphenethyl 3-(4-hydroxy-3,5-dimethoxyphenyl)acrylate | —— | C21H24O7 | 388.417 |
—— | (Z)-3,4-dimethoxyphenethyl 3-(4-hydroxy-3,5-dimethoxyphenyl)acrylate | —— | C21H24O7 | 388.417 |
4-(2-溴乙基)-1,2-苯二酚 | 4-(2-bromo-ethyl)-pyrocatechol | 220556-03-6 | C8H9BrO2 | 217.062 |
—— | 1-bromo-4,5-dimethoxy-2-(2-benzyloxyethyl)benzene | 406215-48-3 | C17H19BrO3 | 351.24 |
1-溴-2-(2-溴乙基)-4,5-二甲氧基苯 | 1-bromo-2-(2-bromoethyl)-4,5-dimethoxybenzene | 69327-12-4 | C10H12Br2O2 | 324.012 |
—— | 2-(2-bromo-4,5-dimethoxyphenyl)-1-<(methylsulfonyl)oxy>ethane | 149759-82-0 | C11H15BrO5S | 339.207 |
—— | 2-(2-bromo-4,5-dimethoxyphenyl)acetaldehyde | 90841-59-1 | C10H11BrO3 | 259.1 |
—— | 2-Jod-4,5-dimethoxy-phenaethyljodid | 64705-38-0 | C10H12I2O2 | 418.013 |
—— | 2-Chloro-6-(2-(3,4-dimethoxyphenyl)ethoxy)pyridine | 1185999-44-3 | C15H16ClNO3 | 293.75 |
—— | 2-[2-(3,4-dimethoxyphenyl)ethyl]cyclohexane-1,3-one | 327621-46-5 | C16H20O4 | 276.332 |
—— | 2-(3,4-Dimethoxyphenyl)ethyl 4-nitrophenyl carbonate | 485798-63-8 | C17H17NO7 | 347.324 |
—— | 2-(3,4-dimethoxyphenyl)-N-(1-naphthylmethyl)ethanamine | 355816-88-5 | C21H23NO2 | 321.419 |
—— | 2,3-Dimethoxyphenethyl-methansulfonat | 69738-32-5 | C11H16O5S | 260.311 |
—— | 4,5-dimethoxy-2-(2-tert-butyldimethylsiloxyethyl)benzaldehyde | 406215-63-2 | C17H28O4Si | 324.492 |
—— | 3,4-dimethoxyphenethyl 4-methylbenzenesulfonate | 75010-39-8 | C17H20O5S | 336.409 |
—— | 1-bromo-4,5-dimethoxy-2-(2-tert-butyldimethylsiloxyethyl)benzene | 406215-62-1 | C16H27BrO3Si | 375.378 |
多巴胺杂质8 | 4,4'-(3-aza-pentanediyl)-di-pyrocatechol | 16240-59-8 | C16H19NO4 | 289.331 |
—— | 2-(2-hydroxyethyl)-4,5-dimethoxyphenylboronic acid | 681431-18-5 | C10H15BO5 | 226.037 |
—— | N-[2-(3,4-dimethoxyphenyl)ethyl]-N'-(1-naphthyl)ethane-1,2-diamine | 1027725-24-1 | C22H26N2O2 | 350.461 |
3-(2-溴-4,5-二甲氧基苯基)丙酸 | 3-(2-bromo-4,5-dimethoxyphenyl)propanoic acid | 52679-49-9 | C11H13BrO4 | 289.126 |
—— | 2-{4,5-dimethoxy-2-[(triisopropylsilanyl)ethynyl]phenyl}ethanol | 863324-10-1 | C21H34O3Si | 362.585 |